{"schema_version":"0.3.0","doc_type":"dataset","dataset_id":"nm000247","name":"BigP3BCI Study S1 — 9x8 face/house paradigm (10 healthy subjects)","description":"This dataset comprises EEG recordings from 10 healthy subjects performing a P300-based brain-computer interface task using a 9x8 character grid with face/house visual stimuli. The study is part of the BigP3BCI project, the largest public P300 BCI dataset containing recordings across multiple paradigms and stimulus configurations. Data were acquired at 256 Hz using 32-channel EEG with a g.USBamp amplifier and include target and non-target event classifications for BCI speller applications.","source":"nemar","recording_modality":["EEG"],"bids_version":null,"license":"CC-BY-4.0","authors":[{"name":"Boyla Mainsah","name_type":"Personal"},{"name":"Chance Fleeting","name_type":"Personal","orcid":"0000-0002-6271-4952","affiliations":[{"name":"Duke University","identifier":null,"scheme":null}]},{"name":"Thomas Balmat","name_type":"Personal"},{"name":"Eric Sellers","name_type":"Personal"},{"name":"Leslie Collins","name_type":"Personal"}],"keywords":[{"term":"EEG"},{"term":"P300"},{"term":"brain-computer interface"},{"term":"visual perception"},{"term":"Event-Related Potentials, P300","subject_scheme":"MeSH","scheme_uri":"https://id.nlm.nih.gov/mesh/","value_uri":"http://id.nlm.nih.gov/mesh/D018913"},{"term":"speller paradigm"}],"related_identifiers":[{"identifier":"10.13026/0byy-ry86","identifier_type":"DOI","relation_type":"IsDerivedFrom"},{"identifier":"https://github.com/nemarDatasets/nm000247","identifier_type":"URL","relation_type":"IsDescribedBy"},{"identifier":"10.21105/joss.01896","identifier_type":"DOI","relation_type":"References"},{"identifier":"10.1038/s41597-019-0104-8","identifier_type":"DOI","relation_type":"References"},{"identifier":"https://nemar.org/dataset/nm000247","identifier_type":"URL","relation_type":"IsDescribedBy"}],"contributors":[],"dates":[],"rights":[{"rights":"CC-BY-4.0","rights_uri":null,"rights_identifier":"CC-BY-4.0","rights_identifier_scheme":"SPDX"}],"language":null,"funding":[],"tasks":["p300"],"datatypes":["eeg"],"sessions":["0"],"sessions_count":1,"demographics":{"subjects_count":10,"age_min":0,"age_max":0},"data_summary":{"total_files":901,"size_bytes":1674279227,"size_human":"1.56 GB"},"provenance":{"latest_snapshot":"v1.0.2","publish_date":"2026-08-18 21:22:06"},"external_links":{"dataset_doi":"10.82901/nemar.nm000247","github_url":"https://github.com/nemarDatasets/nm000247"},"extensions":{"nemar":{"versions":[{"version":"v1.0.2","doi":"10.82901/nemar.nm000247.v1.0.2","created_at":"2026-08-18 21:22:06","manifest_url":"/nm000247/v1.0.2/manifest.json"},{"version":"v1.0.1","doi":"10.82901/nemar.nm000247.v1.0.1","created_at":"2026-08-12 16:16:24","manifest_url":"/nm000247/v1.0.1/manifest.json"},{"version":"v1.0.0","doi":"10.82901/nemar.nm000247.v1.0.0","created_at":"2026-06-03 06:15:47","manifest_url":"/nm000247/v1.0.0/manifest.json"}],"bids_index":{"version":"v1.0.2","subjects":{"sub-1":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"p300":{"runs":["0","1","10","11","2","3","4","5","6","7","8","9"]}}}}},"sub-10":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"p300":{"runs":["0","1","10","11","2","3","4","5","6","7","8","9"]}}}}},"sub-2":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"p300":{"runs":["0","1","10","11","2","3","4","5","6","7","8","9"]}}}}},"sub-3":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"p300":{"runs":["0","1","10","11","2","3","4","5","6","7","8","9"]}}}}},"sub-4":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"p300":{"runs":["0","1","10","11","2","3","4","5","6","7","8","9"]}}}}},"sub-5":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"p300":{"runs":["0","1","10","11","2","3","4","5","6","7","8","9"]}}}}},"sub-6":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"p300":{"runs":["0","1","10","11","2","3","4","5","6","7","8","9"]}}}}},"sub-7":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"p300":{"runs":["0","1","10","11","2","3","4","5","6","7","8","9"]}}}}},"sub-8":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"p300":{"runs":["0","1","10","11","2","3","4","5","6","7","8","9"]}}}}},"sub-9":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"p300":{"runs":["0","1","10","11","2","3","4","5","6","7","8","9"]}}}}}}},"pipeline_stage":"validated","data_complete":1,"bytes_present":1670213676}}}