{"dataset":{"id":"52078","dataset_id":"on002833","name":"DataSet2","description":"EEG dataset containing recordings from multiple subjects. This dataset is mirrored on NEMAR from OpenNeuro (ds002833) and contains raw EEG data in BIDS format.","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on002833","concept_doi":"10.82901/nemar.on002833","latest_version_doi":"10.82901/nemar.on002833.v1.0.0","created_at":"2026-06-21 13:00:28","updated_at":"2026-07-10 22:12:34","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"enriched\",\n  \"title\": \"DataSet2\",\n  \"description\": \"EEG dataset containing recordings from multiple subjects. This dataset is mirrored on NEMAR from OpenNeuro (ds002833) and contains raw EEG data in BIDS format.\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \" Ahmad Mheich\": {},\n    \"Olivier Dufor\": {},\n    \"Sahar Yassine\": {},\n    \"Aya Kabbara\": {},\n    \"Fabrice Wendling\": {},\n    \"Mahmoud Hassan\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"electroencephalography\"\n    },\n    {\n      \"term\": \"brain imaging\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"10.18112/openneuro.ds002833.v1.0.0\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsIdenticalTo\"\n    },\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on002833\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataexplorer/detail?dataset_id=on002833\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    }\n  ],\n  \"resource_type_specific\": \"EEG Dataset\",\n  \"modalities\": [\n    \"eeg\"\n  ],\n  \"sizes\": [\n    \"42.7 GB (241 files)\"\n  ],\n  \"formats\": [\n    \".eeg\",\n    \".gitattributes\",\n    \".json\",\n    \".md\",\n    \".tsv\",\n    \".vhdr\",\n    \".vmrk\",\n    \".yml\"\n  ],\n  \"source_hash\": \"c01e443a55de621c1f7fa8a91e078304323f7826ae493227c71cb7eb4104170d\"\n}","last_activity_at":"2026-06-21 13:00:28","source":"openneuro","source_id":"ds002833","subject_count":20,"modalities":"eeg","age_min":20,"age_max":40,"file_size":42698183798,"total_files":629,"tasks":"PicturesNaming","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":" Ahmad Mheich, Olivier Dufor, Sahar Yassine, Aya Kabbara, Fabrice Wendling, Mahmoud Hassan","license":"CC0","readme":"<!-- nemar:provenance -->\n## Provenance\n\nThis dataset is mirrored on NEMAR from OpenNeuro.\n\n- Source: [ds002833](https://openneuro.org/datasets/ds002833)\n- DOI: [10.18112/openneuro.ds002833.v1.0.0](https://doi.org/10.18112/openneuro.ds002833.v1.0.0)\n","bids_version":"2.1","sessions_count":4,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-09-08 02:34:37","zarr_store_count":80,"zarr_index_etag":"1a53cc4bcb17fc2b04d8f202ce0c82d4","zarr_source_commit":"15a93c0dec4381218df7e739e6d82f2f85e2170e","archive_status":"ready","archive_size":39257461376,"archive_retry_count":0,"records_status":"ready","archive_skip_reason":null,"zarr_errors":0,"zarr_failure_count":0,"zarr_deterministic":0,"zarr_failed_at":null,"num_dataset_citations":4,"num_datapaper_citations":0,"n_channels":257,"electrode_system":"egi-geodesic","has_hed":0,"hed_version":null,"is_exemplar":0,"bytes_present":42696385826,"data_complete":1,"withdrawn_at":null,"withdrawn_reason":null,"archive_complete":null,"archive_absent_files":null,"archive_declared_files":null,"zarr_pool_breaks":0,"total_recording_duration":41532.94399999999,"recording_duration_min":365.168,"recording_duration_max":724.912,"recording_count":80,"recordings_unavailable":0,"recordings_measured":80,"channel_count_min":257,"channel_count_max":257,"sampling_frequency":1000,"power_line_frequency":60,"eeg_reference":"Cz","placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-06-21 13:09:26\",\"metadata_updated_at\":\"2026-06-21 13:09:26\",\"archive_checked_at\":\"2026-06-21 13:34:22\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-21 13:11:01\",\"citations_updated_at\":\"2026-08-17 03:00:59\",\"channel_montage_checked_at\":\"2026-06-28 23:08:58\",\"hed_checked_at\":\"2026-06-30 04:40:07\",\"data_checked_at\":\"2026-07-29 03:00:51\",\"availability_report_at\":\"2026-07-23 01:12:55\",\"signal_defaults_at\":\"2026-09-02 11:57:14\",\"recording_stats_at\":\"2026-09-08 03:00:52\"}","participants":20,"num_citations":4,"latest_version":"v1.0.0","zarr_verify_status":null,"zarr_verified_at":null,"owner_username":"nemarAdmin","owner_github":"nemarAdmin","file_size_formatted":"39.77 GB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/on002833/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}}