{"schema_version":"0.3.0","doc_type":"dataset","dataset_id":"nm000161","name":"BNCI 2024-001 Handwritten Character Classification dataset","description":"This dataset comprises EEG recordings from 20 healthy participants performing motor imagery of handwritten letter production. Participants imagined writing ten different letters (a, d, e, f, j, n, o, s, t, v) using their right index finger in response to visual cues. The study investigates brain-computer interface applications through direct EEG classification and continuous kinematic decoding approaches, achieving classification accuracies of 26.2% for ten-letter and 46.7% for five-letter tasks.","source":"nemar","recording_modality":["EEG"],"bids_version":null,"license":"CC-BY-4.0","authors":[{"name":"Markus R. Crell","name_type":"Personal","orcid":"0000-0001-5692-8260"},{"name":"Gernot R. Müller-Putz","name_type":"Personal"}],"keywords":[{"term":"Electroencephalography","subject_scheme":"MeSH","value_uri":"http://id.nlm.nih.gov/mesh/D004569"},{"term":"motor imagery"},{"term":"brain-computer interfaces"},{"term":"handwriting"},{"term":"kinematic decoding"},{"term":"EEG classification"}],"related_identifiers":[{"identifier":"10.1016/j.compbiomed.2024.109132","identifier_type":"DOI","relation_type":"IsDerivedFrom"},{"identifier":"https://github.com/nemarDatasets/nm000161","identifier_type":"URL","relation_type":"IsDescribedBy"},{"identifier":"https://nemar.org/dataset/nm000161","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":["imagery"],"datatypes":["eeg"],"sessions":["0"],"sessions_count":1,"demographics":{"subjects_count":20,"age_min":27.5,"age_max":27.5},"data_summary":{"total_files":373,"size_bytes":28981047022,"size_human":"27.0 GB"},"provenance":{"latest_snapshot":"v1.0.2","publish_date":"2026-08-18 18:14:50"},"external_links":{"dataset_doi":"10.82901/nemar.nm000161","github_url":"https://github.com/nemarDatasets/nm000161"},"extensions":{"nemar":{"versions":[{"version":"v1.0.2","doi":"10.82901/nemar.nm000161.v1.0.2","created_at":"2026-08-18 18:14:50","manifest_url":"/nm000161/v1.0.2/manifest.json"},{"version":"v1.0.1","doi":"10.82901/nemar.nm000161.v1.0.1","created_at":"2026-08-12 20:50:18","manifest_url":"/nm000161/v1.0.1/manifest.json"},{"version":"v1.0.0","doi":"10.82901/nemar.nm000161.v1.0.0","created_at":"2026-05-11 15:31:03","manifest_url":"/nm000161/v1.0.0/manifest.json"}],"bids_index":{"version":"v1.0.2","subjects":{"sub-1":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-10":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-11":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-12":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-13":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-14":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-15":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-16":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-17":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-18":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-19":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-2":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-20":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-3":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-4":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-5":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-6":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-7":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-8":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}},"sub-9":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"imagery":{"runs":["0","1"]}}}}}}},"pipeline_stage":"validated","data_complete":1,"bytes_present":28980174442}}}