{"dataset":{"id":"488","dataset_id":"on004745","name":"8-Channel SSVEP EEG Dataset with Artifact Trials","description":"Imported from OpenNeuro ds004745","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on004745","concept_doi":"10.82901/nemar.on004745","latest_version_doi":"10.82901/nemar.on004745.v1.0.0","created_at":"2026-05-13 06:42:42","updated_at":"2026-07-10 22:38:02","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"validated\",\n  \"title\": \"8-Channel SSVEP EEG Dataset with Artifact Trials\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Velu Prabhakar Kumaravel\": {},\n    \"Victor Kartsch\": {},\n    \"Simone Benatti\": {},\n    \"Giorgio Vallortigara\": {},\n    \"Elisabetta Farella\": {},\n    \"Marco Buiatti\": {}\n  },\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"10.18112/openneuro.ds004745.v1.0.1\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    },\n    {\n      \"identifier\": \"10.1109/EMBC46164.2021.9629771\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"References\"\n    },\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on004745\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataexplorer/detail?dataset_id=on004745\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    }\n  ],\n  \"funding_references\": [\n    {\n      \"funder_name\": \"European Research Council\",\n      \"award_number\": \"842243\",\n      \"award_title\": \"NeuroSoNew ERC PoC Grant\"\n    }\n  ],\n  \"modalities\": [\n    \"eeg\"\n  ],\n  \"resource_type_specific\": \"EEG Dataset\",\n  \"sizes\": [\n    \"253.8 MB (7 files)\"\n  ],\n  \"formats\": [\n    \".json\",\n    \".md\",\n    \".set\",\n    \".tsv\",\n    \".yml\"\n  ],\n  \"description\": \"An 8-channel EEG dataset comprising steady-state visual evoked potential (SSVEP) recordings from 6 participants performing attention tasks at three stimulation frequencies (2 Hz, 4 Hz, 8 Hz). The dataset includes both artifact-free trials with minimal movement and trials with voluntary head, neck, and eye movements, enabling investigation of SSVEP robustness under naturalistic conditions.\",\n  \"methods_description\": \"Participants performed SSVEP tasks with visual stimulation at three frequencies (2 Hz, 4 Hz, 8 Hz). For each frequency, participants completed 3 trials while remaining static to minimize artifacts and 3 trials while making voluntary head/neck and eye movements. EEG was recorded using an 8-channel system.\",\n  \"keywords\": [\n    {\n      \"term\": \"SSVEP\"\n    },\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"steady-state visual evoked potential\"\n    },\n    {\n      \"term\": \"brain-computer interface\"\n    },\n    {\n      \"term\": \"artifact detection\"\n    },\n    {\n      \"term\": \"visual stimulation\"\n    }\n  ],\n  \"source_hash\": \"c3095da4bddbfc6b8266b9dacc36fc0cf9a790ab5ae4f72e50e04f2fc4d09f03\"\n}","last_activity_at":"2026-05-13 06:42:42","source":"openneuro","source_id":"ds004745","subject_count":6,"modalities":"eeg","age_min":null,"age_max":null,"file_size":253822348,"total_files":7,"tasks":"unnamed","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Velu Prabhakar Kumaravel, Victor Kartsch, Simone Benatti, Giorgio Vallortigara, Elisabetta Farella, Marco Buiatti","license":"CC0","readme":null,"bids_version":null,"sessions_count":0,"publish_date":"2026-05-13 06:42:42","embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-09-03 12:14:45","zarr_store_count":6,"zarr_index_etag":"01603a4cf7395d02f22c15400cef2f5c","zarr_source_commit":"0b189764f3bb11087a0120a3d5af8167212b6494","archive_status":"ready","archive_size":191485526,"archive_retry_count":0,"records_status":null,"archive_skip_reason":null,"zarr_errors":0,"zarr_failure_count":0,"zarr_deterministic":0,"zarr_failed_at":null,"num_dataset_citations":0,"num_datapaper_citations":27,"n_channels":8,"electrode_system":"other","has_hed":0,"hed_version":"8.1.0","is_exemplar":0,"bytes_present":null,"data_complete":null,"withdrawn_at":null,"withdrawn_reason":null,"archive_complete":null,"archive_absent_files":null,"archive_declared_files":null,"zarr_pool_breaks":0,"total_recording_duration":6320.376,"recording_duration_min":1001.328,"recording_duration_max":1096.108,"recording_count":6,"recordings_unavailable":0,"recordings_measured":6,"channel_count_min":8,"channel_count_max":8,"sampling_frequency":1000,"power_line_frequency":50,"eeg_reference":"Active","placement_scheme":"10-20","sweep_stamps":"{\"enrichment_updated_at\":\"2026-05-23 13:16:19\",\"metadata_updated_at\":\"2026-05-23 13:16:19\",\"archive_checked_at\":\"2026-06-05 01:33:27\",\"zarr_checked_at\":\"2026-06-07 17:58:44\",\"records_checked_at\":null,\"citations_updated_at\":\"2026-09-08 03:00:48\",\"channel_montage_checked_at\":\"2026-06-28 23:32:39\",\"hed_checked_at\":\"2026-06-30 05:05:37\",\"data_checked_at\":null,\"availability_report_at\":\"2026-07-23 01:20:40\",\"signal_defaults_at\":\"2026-09-02 12:19:59\",\"recording_stats_at\":\"2026-09-04 03:00:34\"}","participants":6,"num_citations":27,"latest_version":"v1.0.0","zarr_verify_status":null,"zarr_verified_at":null,"owner_username":"nemarAdmin","owner_github":"nemarAdmin","file_size_formatted":"242 MB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/on004745/zarr/index.json","attestation_deposit_type":null,"attestation_key_status":null,"attestation_deidentified":null,"attestation_no_duplicate":null,"attestation_upstream_source":null,"attestation_accepted_at":null}}