{"schema_version":"0.3.0","doc_type":"dataset","dataset_id":"nm000138","name":"Alex Motor Imagery dataset","description":"Motor imagery EEG dataset from 8 healthy subjects performing cue-based motor imagination tasks (right hand, feet, rest). Recorded at 512 Hz with 16 electrodes using g.tec g.USBamp amplifier. Dataset comprises 60 trials (20 per class, 3 seconds each) and was developed to validate robust asynchronous EEG-based brain-computer interface control. Data are preprocessed and re-referenced to earlobe.","source":"nemar","recording_modality":["EEG"],"bids_version":null,"license":"CC-BY-SA-4.0","authors":[{"name":"Alexandre Barachant","name_type":"Personal"}],"keywords":[{"term":"motor imagery"},{"term":"brain-computer interface"},{"term":"EEG"},{"term":"Riemannian geometry"},{"term":"Common Spatial Pattern"},{"term":"asynchronous BCI"},{"term":"covariance matrices"}],"related_identifiers":[{"identifier":"10.5281/zenodo.806022","identifier_type":"DOI","relation_type":"IsDerivedFrom"},{"identifier":"https://github.com/nemarDatasets/nm000138","identifier_type":"URL","relation_type":"IsDescribedBy"},{"identifier":"10.21105/joss.01896","identifier_type":"DOI","relation_type":"IsReferencedBy"},{"identifier":"10.1038/s41597-019-0104-8","identifier_type":"DOI","relation_type":"IsReferencedBy"},{"identifier":"https://nemar.org/dataset/nm000138","identifier_type":"URL","relation_type":"IsDescribedBy"}],"contributors":[],"dates":[],"rights":[{"rights":"CC-BY-SA-4.0","rights_uri":null,"rights_identifier":"CC-BY-SA-4.0","rights_identifier_scheme":"SPDX"}],"language":null,"funding":[],"tasks":["imagery"],"datatypes":["eeg"],"sessions":["0"],"sessions_count":1,"demographics":{"subjects_count":8,"age_min":null,"age_max":null},"data_summary":{"total_files":85,"size_bytes":242885633,"size_human":"232 MB"},"provenance":{"latest_snapshot":"v1.0.2","publish_date":"2026-08-18 18:12:53"},"external_links":{"dataset_doi":"10.82901/nemar.nm000138","github_url":"https://github.com/nemarDatasets/nm000138"},"extensions":{"nemar":{"versions":[{"version":"v1.0.2","doi":"10.82901/nemar.nm000138.v1.0.2","created_at":"2026-08-18 18:12:53","manifest_url":"/nm000138/v1.0.2/manifest.json"},{"version":"v1.0.1","doi":"10.82901/nemar.nm000138.v1.0.1","created_at":"2026-08-11 15:38:35","manifest_url":"/nm000138/v1.0.1/manifest.json"},{"version":"v1.0.0","doi":"10.82901/nemar.nm000138.v1.0.0","created_at":"2026-04-17 13:49:14","manifest_url":"/nm000138/v1.0.0/manifest.json"}],"bids_index":{"version":"v1.0.2","subjects":{"sub-1":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0"]}}}}},"sub-2":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0"]}}}}},"sub-3":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0"]}}}}},"sub-4":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0"]}}}}},"sub-5":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0"]}}}}},"sub-6":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0"]}}}}},"sub-7":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0"]}}}}},"sub-8":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0"]}}}}}}},"pipeline_stage":"validated","data_complete":1,"bytes_present":242819342}}}