[
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-0cGdk9/ses-PeriOp/meg/sub-0cGdk9_ses-PeriOp_task-HoldL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "0cGdk9",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1472999,
      "recording_duration": 736.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-0cGdk9/ses-PeriOp/meg/sub-0cGdk9_ses-PeriOp_task-HoldL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "0cGdk9",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1319999,
      "recording_duration": 659.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-0cGdk9/ses-PeriOp/meg/sub-0cGdk9_ses-PeriOp_task-MoveL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "0cGdk9",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1241999,
      "recording_duration": 620.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-0cGdk9/ses-PeriOp/meg/sub-0cGdk9_ses-PeriOp_task-MoveL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "0cGdk9",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1100999,
      "recording_duration": 550.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-0cGdk9/ses-PeriOp/meg/sub-0cGdk9_ses-PeriOp_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "0cGdk9",
      "session": "PeriOp",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 359999,
      "recording_duration": 179.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IU8mi/ses-PeriOp/meg/sub-2IU8mi_ses-PeriOp_task-HoldL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IU8mi",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1474499,
      "recording_duration": 737.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IU8mi/ses-PeriOp/meg/sub-2IU8mi_ses-PeriOp_task-HoldL_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IU8mi",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1679999,
      "recording_duration": 839.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IU8mi/ses-PeriOp/meg/sub-2IU8mi_ses-PeriOp_task-HoldL_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IU8mi",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1679999,
      "recording_duration": 839.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IU8mi/ses-PeriOp/meg/sub-2IU8mi_ses-PeriOp_task-HoldL_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IU8mi",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 100499,
      "recording_duration": 50.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IU8mi/ses-PeriOp/meg/sub-2IU8mi_ses-PeriOp_task-MoveL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IU8mi",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1520999,
      "recording_duration": 760.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IU8mi/ses-PeriOp/meg/sub-2IU8mi_ses-PeriOp_task-MoveL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IU8mi",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1531499,
      "recording_duration": 765.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-HoldR_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1726499,
      "recording_duration": 863.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-HoldR_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1726499,
      "recording_duration": 863.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-HoldR_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 146999,
      "recording_duration": 73.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-HoldR_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1790999,
      "recording_duration": 895.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-HoldR_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1790999,
      "recording_duration": 895.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-HoldR_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 211499,
      "recording_duration": 105.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-MoveR_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1742999,
      "recording_duration": 871.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-MoveR_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1742999,
      "recording_duration": 871.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-MoveR_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 163499,
      "recording_duration": 81.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-MoveR_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1499999,
      "recording_duration": 749.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-2IhVOz/ses-PeriOp/meg/sub-2IhVOz_ses-PeriOp_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "2IhVOz",
      "session": "PeriOp",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 358499,
      "recording_duration": 179.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-6m9kB5/ses-PeriOp/meg/sub-6m9kB5_ses-PeriOp_task-Rest_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "6m9kB5",
      "session": "PeriOp",
      "task": "Rest",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 347,
      "ntimes": 574499,
      "recording_duration": 287.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 19,
        "EEG": 16,
        "EMG": 4,
        "EOG": 2
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-6m9kB5/ses-PeriOp/meg/sub-6m9kB5_ses-PeriOp_task-Rest_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "6m9kB5",
      "session": "PeriOp",
      "task": "Rest",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 347,
      "ntimes": 1736999,
      "recording_duration": 868.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 19,
        "EEG": 16,
        "EMG": 4,
        "EOG": 2
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-6m9kB5/ses-PeriOp/meg/sub-6m9kB5_ses-PeriOp_task-Rest_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "6m9kB5",
      "session": "PeriOp",
      "task": "Rest",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 347,
      "ntimes": 1736999,
      "recording_duration": 868.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 19,
        "EEG": 16,
        "EMG": 4,
        "EOG": 2
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-6m9kB5/ses-PeriOp/meg/sub-6m9kB5_ses-PeriOp_task-Rest_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "6m9kB5",
      "session": "PeriOp",
      "task": "Rest",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 347,
      "ntimes": 265499,
      "recording_duration": 132.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 19,
        "EEG": 16,
        "EMG": 4,
        "EOG": 2
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-8RgPiG/ses-PeriOp/meg/sub-8RgPiG_ses-PeriOp_task-Rest_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "8RgPiG",
      "session": "PeriOp",
      "task": "Rest",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 333,
      "ntimes": 2417999,
      "recording_duration": 1208.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 18,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-8RgPiG/ses-PeriOp/meg/sub-8RgPiG_ses-PeriOp_task-Rest_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "8RgPiG",
      "session": "PeriOp",
      "task": "Rest",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 333,
      "ntimes": 2417999,
      "recording_duration": 1208.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 18,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-8RgPiG/ses-PeriOp/meg/sub-8RgPiG_ses-PeriOp_task-Rest_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "8RgPiG",
      "session": "PeriOp",
      "task": "Rest",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 333,
      "ntimes": 884999,
      "recording_duration": 442.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 18,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-8RgPiG/ses-PeriOp/meg/sub-8RgPiG_ses-PeriOp_task-Rest_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "8RgPiG",
      "session": "PeriOp",
      "task": "Rest",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 333,
      "ntimes": 1922999,
      "recording_duration": 961.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 18,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-8RgPiG/ses-PeriOp/meg/sub-8RgPiG_ses-PeriOp_task-Rest_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "8RgPiG",
      "session": "PeriOp",
      "task": "Rest",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 333,
      "ntimes": 1922999,
      "recording_duration": 961.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 18,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-8RgPiG/ses-PeriOp/meg/sub-8RgPiG_ses-PeriOp_task-Rest_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "8RgPiG",
      "session": "PeriOp",
      "task": "Rest",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 333,
      "ntimes": 389999,
      "recording_duration": 194.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 18,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AB2PeX/ses-PeriOp/meg/sub-AB2PeX_ses-PeriOp_task-HoldL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AB2PeX",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1636499,
      "recording_duration": 818.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AB2PeX/ses-PeriOp/meg/sub-AB2PeX_ses-PeriOp_task-HoldL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AB2PeX",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 56999,
      "recording_duration": 28.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AB2PeX/ses-PeriOp/meg/sub-AB2PeX_ses-PeriOp_task-HoldL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AB2PeX",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1586999,
      "recording_duration": 793.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AB2PeX/ses-PeriOp/meg/sub-AB2PeX_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AB2PeX",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1859999,
      "recording_duration": 929.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AB2PeX/ses-PeriOp/meg/sub-AB2PeX_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AB2PeX",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1859999,
      "recording_duration": 929.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AB2PeX/ses-PeriOp/meg/sub-AB2PeX_ses-PeriOp_task-MoveL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AB2PeX",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 280499,
      "recording_duration": 140.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AB2PeX/ses-PeriOp/meg/sub-AB2PeX_ses-PeriOp_task-MoveL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AB2PeX",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1601999,
      "recording_duration": 800.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-HoldL_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 324,
      "ntimes": 1814999,
      "recording_duration": 907.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 5,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-HoldL_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 324,
      "ntimes": 1814999,
      "recording_duration": 907.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 5,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-HoldL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 324,
      "ntimes": 239999,
      "recording_duration": 119.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 5,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-HoldL_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 326,
      "ntimes": 1921499,
      "recording_duration": 960.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 4,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "MISC": 2
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-HoldL_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 326,
      "ntimes": 1921499,
      "recording_duration": 960.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 4,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "MISC": 2
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-HoldL_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 326,
      "ntimes": 355499,
      "recording_duration": 177.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 4,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "MISC": 2
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 324,
      "ntimes": 1853999,
      "recording_duration": 926.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 5,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 324,
      "ntimes": 1853999,
      "recording_duration": 926.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 5,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-MoveL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 324,
      "ntimes": 278999,
      "recording_duration": 139.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 5,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-MoveL_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 326,
      "ntimes": 2075999,
      "recording_duration": 1037.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 4,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "MISC": 2
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-MoveL_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 326,
      "ntimes": 2075999,
      "recording_duration": 1037.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 4,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "MISC": 2
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-AbzsOg/ses-PeriOp/meg/sub-AbzsOg_ses-PeriOp_task-MoveL_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "AbzsOg",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 326,
      "ntimes": 509999,
      "recording_duration": 254.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 4,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "MISC": 2
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-BYJoWR/ses-PeriOp/meg/sub-BYJoWR_ses-PeriOp_task-HoldR_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "BYJoWR",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1727999,
      "recording_duration": 863.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-BYJoWR/ses-PeriOp/meg/sub-BYJoWR_ses-PeriOp_task-HoldR_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "BYJoWR",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1727999,
      "recording_duration": 863.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-BYJoWR/ses-PeriOp/meg/sub-BYJoWR_ses-PeriOp_task-HoldR_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "BYJoWR",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 148499,
      "recording_duration": 74.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-BYJoWR/ses-PeriOp/meg/sub-BYJoWR_ses-PeriOp_task-HoldR_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "BYJoWR",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1841999,
      "recording_duration": 920.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-BYJoWR/ses-PeriOp/meg/sub-BYJoWR_ses-PeriOp_task-HoldR_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "BYJoWR",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1841999,
      "recording_duration": 920.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-BYJoWR/ses-PeriOp/meg/sub-BYJoWR_ses-PeriOp_task-HoldR_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "BYJoWR",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 262499,
      "recording_duration": 131.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-BYJoWR/ses-PeriOp/meg/sub-BYJoWR_ses-PeriOp_task-MoveR_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "BYJoWR",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 854999,
      "recording_duration": 427.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-BYJoWR/ses-PeriOp/meg/sub-BYJoWR_ses-PeriOp_task-MoveR_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "BYJoWR",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1175999,
      "recording_duration": 587.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-BYJoWR/ses-PeriOp/meg/sub-BYJoWR_ses-PeriOp_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "BYJoWR",
      "session": "PeriOp",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 247499,
      "recording_duration": 123.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FIyfdR/ses-PeriOp/meg/sub-FIyfdR_ses-PeriOp_task-HoldR_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FIyfdR",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1537499,
      "recording_duration": 768.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FIyfdR/ses-PeriOp/meg/sub-FIyfdR_ses-PeriOp_task-HoldR_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FIyfdR",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1531499,
      "recording_duration": 765.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FIyfdR/ses-PeriOp/meg/sub-FIyfdR_ses-PeriOp_task-MoveR_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FIyfdR",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1721999,
      "recording_duration": 860.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FIyfdR/ses-PeriOp/meg/sub-FIyfdR_ses-PeriOp_task-MoveR_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FIyfdR",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1721999,
      "recording_duration": 860.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FIyfdR/ses-PeriOp/meg/sub-FIyfdR_ses-PeriOp_task-MoveR_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FIyfdR",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 142499,
      "recording_duration": 71.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FIyfdR/ses-PeriOp/meg/sub-FIyfdR_ses-PeriOp_task-MoveR_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FIyfdR",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1546499,
      "recording_duration": 773.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FYbcap/ses-PeriOp/meg/sub-FYbcap_ses-PeriOp_task-HoldL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FYbcap",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1457999,
      "recording_duration": 728.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FYbcap/ses-PeriOp/meg/sub-FYbcap_ses-PeriOp_task-HoldL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FYbcap",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1405499,
      "recording_duration": 702.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FYbcap/ses-PeriOp/meg/sub-FYbcap_ses-PeriOp_task-MoveL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FYbcap",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1444499,
      "recording_duration": 722.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FYbcap/ses-PeriOp/meg/sub-FYbcap_ses-PeriOp_task-MoveL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FYbcap",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1463999,
      "recording_duration": 731.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-FYbcap/ses-PeriOp/meg/sub-FYbcap_ses-PeriOp_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "FYbcap",
      "session": "PeriOp",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 358499,
      "recording_duration": 179.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-HoldL_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1757999,
      "recording_duration": 878.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-HoldL_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1757999,
      "recording_duration": 878.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-HoldL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 178499,
      "recording_duration": 89.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-HoldL_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1744499,
      "recording_duration": 872.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-HoldL_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1744499,
      "recording_duration": 872.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-HoldL_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 164999,
      "recording_duration": 82.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1930499,
      "recording_duration": 965.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1930499,
      "recording_duration": 965.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-MoveL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 350999,
      "recording_duration": 175.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-MoveL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1643999,
      "recording_duration": 821.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-PuPVlx/ses-PeriOp/meg/sub-PuPVlx_ses-PeriOp_task-MoveL_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "PuPVlx",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 64499,
      "recording_duration": 32.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-QZTsn6/ses-PeriOp/meg/sub-QZTsn6_ses-PeriOp_task-HoldL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "QZTsn6",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1483499,
      "recording_duration": 741.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-QZTsn6/ses-PeriOp/meg/sub-QZTsn6_ses-PeriOp_task-HoldL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "QZTsn6",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1469999,
      "recording_duration": 734.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-QZTsn6/ses-PeriOp/meg/sub-QZTsn6_ses-PeriOp_task-MoveL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "QZTsn6",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1444499,
      "recording_duration": 722.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-QZTsn6/ses-PeriOp/meg/sub-QZTsn6_ses-PeriOp_task-MoveL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "QZTsn6",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1481999,
      "recording_duration": 740.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-QZTsn6/ses-PeriOp/meg/sub-QZTsn6_ses-PeriOp_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "QZTsn6",
      "session": "PeriOp",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 25499,
      "recording_duration": 12.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-VopvKx/ses-PeriOp/meg/sub-VopvKx_ses-PeriOp_task-HoldR_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "VopvKx",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1579499,
      "recording_duration": 789.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-VopvKx/ses-PeriOp/meg/sub-VopvKx_ses-PeriOp_task-HoldR_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "VopvKx",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1651499,
      "recording_duration": 825.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-VopvKx/ses-PeriOp/meg/sub-VopvKx_ses-PeriOp_task-MoveR_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "VopvKx",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1523999,
      "recording_duration": 761.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-VopvKx/ses-PeriOp/meg/sub-VopvKx_ses-PeriOp_task-MoveR_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "VopvKx",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1505999,
      "recording_duration": 752.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-VopvKx/ses-PeriOp/meg/sub-VopvKx_ses-PeriOp_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "VopvKx",
      "session": "PeriOp",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 239999,
      "recording_duration": 119.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-dCsWjQ/ses-PeriOp/meg/sub-dCsWjQ_ses-PeriOp_task-HoldL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "dCsWjQ",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1559999,
      "recording_duration": 779.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-dCsWjQ/ses-PeriOp/meg/sub-dCsWjQ_ses-PeriOp_task-HoldL_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "dCsWjQ",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1778999,
      "recording_duration": 889.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-dCsWjQ/ses-PeriOp/meg/sub-dCsWjQ_ses-PeriOp_task-HoldL_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "dCsWjQ",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1778999,
      "recording_duration": 889.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-dCsWjQ/ses-PeriOp/meg/sub-dCsWjQ_ses-PeriOp_task-HoldL_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "dCsWjQ",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 199499,
      "recording_duration": 99.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-dCsWjQ/ses-PeriOp/meg/sub-dCsWjQ_ses-PeriOp_task-MoveL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "dCsWjQ",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1622999,
      "recording_duration": 811.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-dCsWjQ/ses-PeriOp/meg/sub-dCsWjQ_ses-PeriOp_task-MoveL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "dCsWjQ",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 43499,
      "recording_duration": 21.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-dCsWjQ/ses-PeriOp/meg/sub-dCsWjQ_ses-PeriOp_task-MoveL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "dCsWjQ",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1549499,
      "recording_duration": 774.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-gNX5yb/ses-PeriOp/meg/sub-gNX5yb_ses-PeriOp_task-HoldL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "gNX5yb",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1576499,
      "recording_duration": 788.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-gNX5yb/ses-PeriOp/meg/sub-gNX5yb_ses-PeriOp_task-HoldL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "gNX5yb",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1579499,
      "recording_duration": 789.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-gNX5yb/ses-PeriOp/meg/sub-gNX5yb_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "gNX5yb",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1969499,
      "recording_duration": 984.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-gNX5yb/ses-PeriOp/meg/sub-gNX5yb_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "gNX5yb",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1969499,
      "recording_duration": 984.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-gNX5yb/ses-PeriOp/meg/sub-gNX5yb_ses-PeriOp_task-MoveL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "gNX5yb",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 389999,
      "recording_duration": 194.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-gNX5yb/ses-PeriOp/meg/sub-gNX5yb_ses-PeriOp_task-MoveL_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "gNX5yb",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1681499,
      "recording_duration": 840.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-gNX5yb/ses-PeriOp/meg/sub-gNX5yb_ses-PeriOp_task-MoveL_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "gNX5yb",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1681499,
      "recording_duration": 840.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-gNX5yb/ses-PeriOp/meg/sub-gNX5yb_ses-PeriOp_task-MoveL_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "gNX5yb",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 101999,
      "recording_duration": 50.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-hnetKS/ses-PeriOp/meg/sub-hnetKS_ses-PeriOp_task-HoldL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "hnetKS",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1472999,
      "recording_duration": 736.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-hnetKS/ses-PeriOp/meg/sub-hnetKS_ses-PeriOp_task-HoldL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "hnetKS",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1448999,
      "recording_duration": 724.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-hnetKS/ses-PeriOp/meg/sub-hnetKS_ses-PeriOp_task-MoveL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "hnetKS",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1459499,
      "recording_duration": 729.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-hnetKS/ses-PeriOp/meg/sub-hnetKS_ses-PeriOp_task-MoveL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "hnetKS",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1454999,
      "recording_duration": 727.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-i4oK0F/ses-PeriOp/meg/sub-i4oK0F_ses-PeriOp_task-HoldL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "i4oK0F",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1550999,
      "recording_duration": 775.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-i4oK0F/ses-PeriOp/meg/sub-i4oK0F_ses-PeriOp_task-HoldL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "i4oK0F",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1541999,
      "recording_duration": 770.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-i4oK0F/ses-PeriOp/meg/sub-i4oK0F_ses-PeriOp_task-MoveL_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "i4oK0F",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1510499,
      "recording_duration": 755.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-i4oK0F/ses-PeriOp/meg/sub-i4oK0F_ses-PeriOp_task-MoveL_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "i4oK0F",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1441499,
      "recording_duration": 720.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-HoldR_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1876499,
      "recording_duration": 938.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-HoldR_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1876499,
      "recording_duration": 938.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-HoldR_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 296999,
      "recording_duration": 148.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-HoldR_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1831499,
      "recording_duration": 915.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-HoldR_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1831499,
      "recording_duration": 915.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-HoldR_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 251999,
      "recording_duration": 125.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1768499,
      "recording_duration": 884.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1768499,
      "recording_duration": 884.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-MoveL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 188999,
      "recording_duration": 94.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-MoveR_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1889999,
      "recording_duration": 944.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-MoveR_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1889999,
      "recording_duration": 944.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-iDpl28/ses-PeriOp/meg/sub-iDpl28_ses-PeriOp_task-MoveR_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "iDpl28",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 310499,
      "recording_duration": 155.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-jyC0j3/ses-PeriOp/meg/sub-jyC0j3_ses-PeriOp_task-HoldR_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "jyC0j3",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1576499,
      "recording_duration": 788.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-jyC0j3/ses-PeriOp/meg/sub-jyC0j3_ses-PeriOp_task-HoldR_acq-MedOn_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "jyC0j3",
      "session": "PeriOp",
      "task": "HoldR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1610999,
      "recording_duration": 805.4995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-jyC0j3/ses-PeriOp/meg/sub-jyC0j3_ses-PeriOp_task-MoveR_acq-MedOff_run-1_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "jyC0j3",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1471499,
      "recording_duration": 735.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-jyC0j3/ses-PeriOp/meg/sub-jyC0j3_ses-PeriOp_task-MoveR_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "jyC0j3",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1732499,
      "recording_duration": 866.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-jyC0j3/ses-PeriOp/meg/sub-jyC0j3_ses-PeriOp_task-MoveR_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "jyC0j3",
      "session": "PeriOp",
      "task": "MoveR",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1732499,
      "recording_duration": 866.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-jyC0j3/ses-PeriOp/meg/sub-jyC0j3_ses-PeriOp_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "jyC0j3",
      "session": "PeriOp",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 319,
      "ntimes": 187499,
      "recording_duration": 93.7495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "TRIG": 2,
        "EEG": 4,
        "EMG": 4,
        "EOG": 2,
        "MISC": 1
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-HoldL_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 2135999,
      "recording_duration": 1067.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-HoldL_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 2135999,
      "recording_duration": 1067.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-HoldL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 556499,
      "recording_duration": 278.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-HoldL_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1673999,
      "recording_duration": 836.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-HoldL_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1673999,
      "recording_duration": 836.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-HoldL_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "HoldL",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 94499,
      "recording_duration": 47.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 2393999,
      "recording_duration": 1196.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-MoveL_acq-MedOff_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 2393999,
      "recording_duration": 1196.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-MoveL_acq-MedOff_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOff",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 814499,
      "recording_duration": 407.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-MoveL_acq-MedOn_run-1_split-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1679999,
      "recording_duration": 839.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-MoveL_acq-MedOn_run-1_split-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "1"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 1679999,
      "recording_duration": 839.9995,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on004998",
    "bids_relpath": "sub-oLNpHd/ses-PeriOp/meg/sub-oLNpHd_ses-PeriOp_task-MoveL_acq-MedOn_run-2_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "oLNpHd",
      "session": "PeriOp",
      "task": "MoveL",
      "acquisition": "MedOn",
      "run": "2"
    },
    "signal_summary": {
      "nchans": 323,
      "ntimes": 100499,
      "recording_duration": 50.2495,
      "channel_type_counts": {
        "MEGGRADPLANAR": 204,
        "MEGMAG": 102,
        "EEG": 8,
        "EMG": 4,
        "EOG": 2,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-26T03:22:35.934Z"
    },
    "signal_properties": {
      "sampling_frequency": 2000.0
    }
  }
]