{"schema_version":"0.3.0","doc_type":"dataset","dataset_id":"nm000121","name":"Oikonomou2016 – SSVEP MAMEM 3 dataset","description":"A comparative evaluation dataset of steady-state visually evoked potential (SSVEP) based brain-computer interfaces, comprising 14-channel EEG recordings from 11 healthy subjects performing attention tasks on flickering visual stimuli at five different frequencies (6.66–12.00 Hz). The dataset includes preprocessed signals, artifact annotations, and comprehensive documentation of signal processing pipelines for benchmarking state-of-the-art BCI algorithms.","source":"nemar","recording_modality":["EEG"],"bids_version":null,"license":"ODC-By-1.0","authors":[{"name":"Vangelis P. Oikonomou","name_type":"Personal"},{"name":"Georgios Liaros","name_type":"Personal"},{"name":"Kostantinos Georgiadis","name_type":"Personal"},{"name":"Elisavet Chatzilari","name_type":"Personal"},{"name":"Katerina Adam","name_type":"Personal"},{"name":"Spiros Nikolopoulos","name_type":"Personal"},{"name":"Ioannis Kompatsiaris","name_type":"Personal"}],"keywords":[{"term":"SSVEP"},{"term":"brain-computer interface"},{"term":"EEG"},{"term":"visual evoked potentials"},{"term":"signal processing"},{"term":"artifact removal"},{"term":"benchmarking"},{"term":"comparative evaluation"},{"term":"MAMEM"},{"term":"feature extraction"},{"term":"classification"},{"term":"cross-validation"}],"related_identifiers":[{"identifier":"10.48550/arXiv.1602.00904","identifier_type":"DOI","relation_type":"IsDerivedFrom"},{"identifier":"10.6084/m9.figshare.2068677.v1","identifier_type":"DOI","relation_type":"References"},{"identifier":"https://github.com/nemarDatasets/nm000121","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/nm000121","identifier_type":"URL","relation_type":"IsDescribedBy"}],"contributors":[],"dates":[],"rights":[{"rights":"ODC-By-1.0","rights_uri":null,"rights_identifier":"ODC-By-1.0","rights_identifier_scheme":"SPDX"}],"language":null,"funding":[{"funder_name":"Centre for Research and Technology Hellas (CERTH)","award_number":null,"award_title":null,"funder_identifier":null,"funder_identifier_type":null,"award_uri":null}],"tasks":["ssvep"],"datatypes":["eeg"],"sessions":["0"],"sessions_count":1,"demographics":{"subjects_count":11,"age_min":24,"age_max":39},"data_summary":{"total_files":849,"size_bytes":290664890,"size_human":"277 MB"},"provenance":{"latest_snapshot":"v1.0.2","publish_date":"2026-08-18 18:13:44"},"external_links":{"dataset_doi":"10.82901/nemar.nm000121","github_url":"https://github.com/nemarDatasets/nm000121"},"extensions":{"nemar":{"versions":[{"version":"v1.0.2","doi":"10.82901/nemar.nm000121.v1.0.2","created_at":"2026-08-18 18:13:44","manifest_url":"/nm000121/v1.0.2/manifest.json"},{"version":"v1.0.1","doi":"10.82901/nemar.nm000121.v1.0.1","created_at":"2026-08-11 15:39:54","manifest_url":"/nm000121/v1.0.1/manifest.json"},{"version":"v1.0.0","doi":"10.82901/nemar.nm000121.v1.0.0","created_at":"2026-05-04 12:50:37","manifest_url":"/nm000121/v1.0.0/manifest.json"}],"bids_index":{"version":"v1.0.2","subjects":{"sub-1":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}},"sub-10":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}},"sub-11":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}},"sub-2":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}},"sub-3":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}},"sub-4":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}},"sub-5":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}},"sub-6":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}},"sub-7":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}},"sub-8":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}},"sub-9":{"sessions":["0"],"modalities":{"eeg":{"tasks":{"ssvep":{"runs":["0","1","2","3","4","5","6","7","8","9"]}}}}}}},"pipeline_stage":"enriched","data_complete":1,"bytes_present":290024255}}}