[
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-01/ses-meg/meg/sub-01_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "01",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 540100,
      "recording_duration": 491.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-01/ses-meg/meg/sub-01_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "01",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-01/ses-meg/meg/sub-01_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "01",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 555500,
      "recording_duration": 505.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-01/ses-meg/meg/sub-01_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "01",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 542300,
      "recording_duration": 493.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-01/ses-meg/meg/sub-01_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "01",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 555500,
      "recording_duration": 505.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-01/ses-meg/meg/sub-01_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "01",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 550000,
      "recording_duration": 500.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-02/ses-meg/meg/sub-02_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "02",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 543400,
      "recording_duration": 494.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-02/ses-meg/meg/sub-02_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "02",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 542300,
      "recording_duration": 493.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-02/ses-meg/meg/sub-02_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "02",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 541200,
      "recording_duration": 492.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-02/ses-meg/meg/sub-02_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "02",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 553300,
      "recording_duration": 503.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-02/ses-meg/meg/sub-02_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "02",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 543400,
      "recording_duration": 494.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-02/ses-meg/meg/sub-02_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "02",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 539000,
      "recording_duration": 490.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-03/ses-meg/meg/sub-03_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "03",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 556600,
      "recording_duration": 506.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-03/ses-meg/meg/sub-03_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "03",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 543400,
      "recording_duration": 494.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-03/ses-meg/meg/sub-03_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "03",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 554400,
      "recording_duration": 504.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-03/ses-meg/meg/sub-03_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "03",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-03/ses-meg/meg/sub-03_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "03",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 543400,
      "recording_duration": 494.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-03/ses-meg/meg/sub-03_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "03",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 551100,
      "recording_duration": 501.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-04/ses-meg/meg/sub-04_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "04",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-04/ses-meg/meg/sub-04_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "04",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 536800,
      "recording_duration": 488.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-04/ses-meg/meg/sub-04_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "04",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-04/ses-meg/meg/sub-04_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "04",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 543400,
      "recording_duration": 494.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-04/ses-meg/meg/sub-04_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "04",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 548900,
      "recording_duration": 499.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-04/ses-meg/meg/sub-04_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "04",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-05/ses-meg/meg/sub-05_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "05",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 540100,
      "recording_duration": 491.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-05/ses-meg/meg/sub-05_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "05",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 554400,
      "recording_duration": 504.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-05/ses-meg/meg/sub-05_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "05",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-05/ses-meg/meg/sub-05_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "05",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 535700,
      "recording_duration": 487.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-05/ses-meg/meg/sub-05_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "05",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 550000,
      "recording_duration": 500.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-05/ses-meg/meg/sub-05_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "05",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 536800,
      "recording_duration": 488.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-06/ses-meg/meg/sub-06_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "06",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 537900,
      "recording_duration": 489.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-06/ses-meg/meg/sub-06_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "06",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 535700,
      "recording_duration": 487.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-06/ses-meg/meg/sub-06_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "06",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 547800,
      "recording_duration": 498.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-06/ses-meg/meg/sub-06_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "06",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 542300,
      "recording_duration": 493.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-06/ses-meg/meg/sub-06_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "06",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 542300,
      "recording_duration": 493.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-06/ses-meg/meg/sub-06_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "06",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 542300,
      "recording_duration": 493.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-07/ses-meg/meg/sub-07_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "07",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 542300,
      "recording_duration": 493.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-07/ses-meg/meg/sub-07_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "07",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 541200,
      "recording_duration": 492.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-07/ses-meg/meg/sub-07_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "07",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 550000,
      "recording_duration": 500.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-07/ses-meg/meg/sub-07_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "07",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 534600,
      "recording_duration": 486.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-07/ses-meg/meg/sub-07_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "07",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 539000,
      "recording_duration": 490.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-07/ses-meg/meg/sub-07_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "07",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 543400,
      "recording_duration": 494.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-08/ses-meg/meg/sub-08_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "08",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 550000,
      "recording_duration": 500.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-08/ses-meg/meg/sub-08_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "08",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 542300,
      "recording_duration": 493.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-08/ses-meg/meg/sub-08_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "08",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-08/ses-meg/meg/sub-08_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "08",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 542300,
      "recording_duration": 493.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-08/ses-meg/meg/sub-08_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "08",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 545600,
      "recording_duration": 496.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-08/ses-meg/meg/sub-08_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "08",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 540100,
      "recording_duration": 491.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-09/ses-meg/meg/sub-09_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "09",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 540100,
      "recording_duration": 491.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-09/ses-meg/meg/sub-09_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "09",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 544500,
      "recording_duration": 495.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-09/ses-meg/meg/sub-09_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "09",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 544500,
      "recording_duration": 495.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-09/ses-meg/meg/sub-09_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "09",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 541200,
      "recording_duration": 492.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-09/ses-meg/meg/sub-09_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "09",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 540100,
      "recording_duration": 491.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-09/ses-meg/meg/sub-09_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "09",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 543400,
      "recording_duration": 494.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-10/ses-meg/meg/sub-10_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "10",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 550000,
      "recording_duration": 500.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-10/ses-meg/meg/sub-10_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "10",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 540100,
      "recording_duration": 491.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-10/ses-meg/meg/sub-10_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "10",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 544500,
      "recording_duration": 495.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-10/ses-meg/meg/sub-10_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "10",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 544500,
      "recording_duration": 495.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-10/ses-meg/meg/sub-10_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "10",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 564300,
      "recording_duration": 513.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-10/ses-meg/meg/sub-10_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "10",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 543400,
      "recording_duration": 494.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-11/ses-meg/meg/sub-11_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "11",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 539000,
      "recording_duration": 490.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-11/ses-meg/meg/sub-11_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "11",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 545600,
      "recording_duration": 496.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-11/ses-meg/meg/sub-11_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "11",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 544500,
      "recording_duration": 495.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-11/ses-meg/meg/sub-11_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "11",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 537900,
      "recording_duration": 489.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-11/ses-meg/meg/sub-11_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "11",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 537900,
      "recording_duration": 489.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-11/ses-meg/meg/sub-11_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "11",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 536800,
      "recording_duration": 488.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-12/ses-meg/meg/sub-12_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "12",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 541200,
      "recording_duration": 492.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-12/ses-meg/meg/sub-12_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "12",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 543400,
      "recording_duration": 494.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-12/ses-meg/meg/sub-12_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "12",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 544500,
      "recording_duration": 495.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-12/ses-meg/meg/sub-12_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "12",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 550000,
      "recording_duration": 500.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-12/ses-meg/meg/sub-12_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "12",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-12/ses-meg/meg/sub-12_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "12",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 541200,
      "recording_duration": 492.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-13/ses-meg/meg/sub-13_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "13",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 539000,
      "recording_duration": 490.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-13/ses-meg/meg/sub-13_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "13",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 543400,
      "recording_duration": 494.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-13/ses-meg/meg/sub-13_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "13",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 539000,
      "recording_duration": 490.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-13/ses-meg/meg/sub-13_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "13",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 537900,
      "recording_duration": 489.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-13/ses-meg/meg/sub-13_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "13",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 536800,
      "recording_duration": 488.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-13/ses-meg/meg/sub-13_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "13",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 559900,
      "recording_duration": 509.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-14/ses-meg/meg/sub-14_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "14",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 541200,
      "recording_duration": 492.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-14/ses-meg/meg/sub-14_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "14",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 550000,
      "recording_duration": 500.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-14/ses-meg/meg/sub-14_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "14",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 570900,
      "recording_duration": 519.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-14/ses-meg/meg/sub-14_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "14",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 539000,
      "recording_duration": 490.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-14/ses-meg/meg/sub-14_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "14",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 547800,
      "recording_duration": 498.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-14/ses-meg/meg/sub-14_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "14",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-15/ses-meg/meg/sub-15_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "15",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 540100,
      "recording_duration": 491.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-15/ses-meg/meg/sub-15_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "15",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 537900,
      "recording_duration": 489.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-15/ses-meg/meg/sub-15_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "15",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 541200,
      "recording_duration": 492.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-15/ses-meg/meg/sub-15_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "15",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-15/ses-meg/meg/sub-15_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "15",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 537900,
      "recording_duration": 489.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-15/ses-meg/meg/sub-15_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "15",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 536800,
      "recording_duration": 488.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-16/ses-meg/meg/sub-16_ses-meg_task-facerecognition_run-01_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "16",
      "session": "meg",
      "task": "facerecognition",
      "run": "01"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 542300,
      "recording_duration": 493.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-16/ses-meg/meg/sub-16_ses-meg_task-facerecognition_run-02_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "16",
      "session": "meg",
      "task": "facerecognition",
      "run": "02"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 550000,
      "recording_duration": 500.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-16/ses-meg/meg/sub-16_ses-meg_task-facerecognition_run-03_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "16",
      "session": "meg",
      "task": "facerecognition",
      "run": "03"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 547800,
      "recording_duration": 498.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-16/ses-meg/meg/sub-16_ses-meg_task-facerecognition_run-04_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "16",
      "session": "meg",
      "task": "facerecognition",
      "run": "04"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 546700,
      "recording_duration": 497.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-16/ses-meg/meg/sub-16_ses-meg_task-facerecognition_run-05_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "16",
      "session": "meg",
      "task": "facerecognition",
      "run": "05"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 542300,
      "recording_duration": 493.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-16/ses-meg/meg/sub-16_ses-meg_task-facerecognition_run-06_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "16",
      "session": "meg",
      "task": "facerecognition",
      "run": "06"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 541200,
      "recording_duration": 492.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-emptyroom/ses-20090409/meg/sub-emptyroom_ses-20090409_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "emptyroom",
      "session": "20090409",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 60000,
      "recording_duration": 60.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-emptyroom/ses-20090506/meg/sub-emptyroom_ses-20090506_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "emptyroom",
      "session": "20090506",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 151000,
      "recording_duration": 151.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-emptyroom/ses-20090511/meg/sub-emptyroom_ses-20090511_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "emptyroom",
      "session": "20090511",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": null,
      "recording_duration": null,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-emptyroom/ses-20090515/meg/sub-emptyroom_ses-20090515_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "emptyroom",
      "session": "20090515",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 184000,
      "recording_duration": 184.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-emptyroom/ses-20090518/meg/sub-emptyroom_ses-20090518_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "emptyroom",
      "session": "20090518",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 186000,
      "recording_duration": 186.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-emptyroom/ses-20090601/meg/sub-emptyroom_ses-20090601_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "emptyroom",
      "session": "20090601",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": null,
      "recording_duration": null,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-emptyroom/ses-20091126/meg/sub-emptyroom_ses-20091126_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "emptyroom",
      "session": "20091126",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 330000,
      "recording_duration": 330.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  },
  {
    "schema_version": "0.3.0",
    "doc_type": "record",
    "dataset": "on000117",
    "bids_relpath": "sub-emptyroom/ses-20091208/meg/sub-emptyroom_ses-20091208_task-noise_meg.fif",
    "modality": "MEG",
    "datatype": "meg",
    "suffix": "meg",
    "file_extension": ".fif",
    "entities": {
      "subject": "emptyroom",
      "session": "20091208",
      "task": "noise"
    },
    "signal_summary": {
      "nchans": 404,
      "ntimes": 120000,
      "recording_duration": 120.0,
      "channel_type_counts": {
        "MEGGRAD": 204,
        "MEGMAG": 102,
        "EEG": 70,
        "HEOG": 1,
        "VEOG": 1,
        "ECG": 1,
        "MISC": 22,
        "TRIG": 3
      }
    },
    "provenance": {
      "digested_at": "2026-06-07T18:48:20.400Z"
    },
    "signal_properties": {
      "sampling_frequency": 1100
    }
  }
]