{"dataset":{"id":"61202","dataset_id":"on006914","name":"Visual Naming EC","description":"This dataset contains intracranial EEG recordings from 110 individuals who performed a visual-naming task, with electrode coordinates provided in MNI-305 space. It was collected to support analyses of effective connectivity underlying speech and language processing, as reported by Kochi et al. (2025). Each recording is annotated with event codes marking stimulus and response onsets.","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on006914","concept_doi":"10.82901/nemar.on006914","latest_version_doi":"10.82901/nemar.on006914.v1.0.0","created_at":"2026-06-29 17:01:47","updated_at":"2026-08-19 00:14:59","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"validated\",\n  \"title\": \"Visual Naming EC\",\n  \"description\": \"This dataset contains intracranial EEG recordings from 110 individuals who performed a visual-naming task, with electrode coordinates provided in MNI-305 space. It was collected to support analyses of effective connectivity underlying speech and language processing, as reported by Kochi et al. (2025). Each recording is annotated with event codes marking stimulus and response onsets.\",\n  \"methods_description\": \"Intracranial EEG was recorded from 110 subjects performing a visual-naming task. Each EDF file includes event codes marking stimulus onset (401) and response onset (501). Electrode coordinates were localized in MNI-305 standardized space.\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Ryuzaburo Kochi\": {},\n    \"Aya Kanno\": {},\n    \"Hiroshi Uda\": {},\n    \"Keisuke Hatano\": {},\n    \"Masaki Sonoda\": {},\n    \"Hidenori Endo\": {},\n    \"Michael Cools\": {},\n    \"Robert Rothermel\": {},\n    \"Aimee F. Luat\": {},\n    \"Eishi Asano\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"intracranial EEG\"\n    },\n    {\n      \"term\": \"visual naming\"\n    },\n    {\n      \"term\": \"effective connectivity\"\n    },\n    {\n      \"term\": \"speech\"\n    },\n    {\n      \"term\": \"electrode localization\"\n    },\n    {\n      \"term\": \"Epilepsy\",\n      \"subject_scheme\": \"MeSH\",\n      \"value_uri\": \"http://id.nlm.nih.gov/mesh/D004827\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"10.18112/openneuro.ds006914.v1.0.3\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    },\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on006914\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataset/on006914\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    }\n  ],\n  \"funding_references\": [\n    {\n      \"funder_name\": \"N/A\"\n    }\n  ],\n  \"resource_type_general\": \"Dataset\",\n  \"resource_type_specific\": \"iEEG Dataset\",\n  \"modalities\": [\n    \"ieeg\"\n  ],\n  \"sizes\": [\n    \"18.8 GB (354 files)\"\n  ],\n  \"formats\": [\n    \".edf\",\n    \".json\",\n    \".md\",\n    \".tsv\",\n    \".yml\"\n  ],\n  \"source_hash\": \"b61ca68d603c789f369bd0653d96bc0eeb268ea0c2f8819bcc13923c28908d60\"\n}","last_activity_at":"2026-06-29 17:01:47","source":"openneuro","source_id":"ds006914","subject_count":110,"modalities":"ieeg","age_min":5,"age_max":49,"file_size":18843485848,"total_files":1773,"tasks":"picture","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Ryuzaburo Kochi, Aya Kanno, Hiroshi Uda, Keisuke Hatano, Masaki Sonoda, Hidenori Endo, Michael Cools, Robert Rothermel, Aimee F. Luat, Eishi Asano","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on006914-blue)](https://doi.org/10.82901/nemar.on006914)\n\nThis dataset, used in the analysis reported by Kochi et al., (2025), contains intracranial EEG recordings from 110 individuals who performed an visual‑naming task. Electrode coordinates are provided in MNI‑305 space.\n\nEach EDF file is tagged for the visual naming task with the following event codes:  \n401 – stimulus onset  \n501 – response onset  \n\nReference: \nRyuzaburo Kochi, Aya Kanno, Hiroshi Uda, Keisuke Hatano,  Masaki Sonoda, Hidenori Endo, Michael Cools, Robert Rothermel, Aimee F. Luat, Eishi Asano. Whole-Brain Millisecond-Scale Effective Connectivity Atlases of Speech \n","bids_version":"1.7.0","sessions_count":5,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-08-23 20:11:40","zarr_store_count":1,"zarr_index_etag":"2c01537b99fdb49028631a56e75d78f6","zarr_source_commit":"0ca0ba9b44e14a16edc20b97df38962cf5fef4a5","archive_status":"ready","archive_size":15534723348,"archive_retry_count":0,"records_status":"ready","archive_skip_reason":null,"zarr_errors":352,"zarr_failure_count":352,"zarr_deterministic":0,"zarr_failed_at":"2026-08-23 20:11:40","num_dataset_citations":0,"num_datapaper_citations":0,"n_channels":null,"electrode_system":null,"has_hed":0,"hed_version":null,"is_exemplar":0,"bytes_present":18838261012,"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":503.342,"recording_duration_min":503.342,"recording_duration_max":503.342,"recording_count":353,"recordings_unavailable":352,"recordings_measured":1,"channel_count_min":66,"channel_count_max":66,"sampling_frequency":null,"power_line_frequency":null,"eeg_reference":null,"placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-08-19 00:14:44\",\"metadata_updated_at\":\"2026-08-19 00:14:58\",\"archive_checked_at\":\"2026-06-29 17:20:55\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-29 17:23:23\",\"citations_updated_at\":null,\"channel_montage_checked_at\":null,\"hed_checked_at\":\"2026-06-30 05:39:33\",\"data_checked_at\":\"2026-08-31 03:00:31\",\"availability_report_at\":\"2026-07-23 01:30:40\",\"recording_stats_at\":\"2026-09-02 11:33:49\",\"signal_defaults_at\":\"2026-09-02 12:50:07\"}","participants":110,"num_citations":0,"latest_version":"v1.0.0","zarr_verify_status":null,"zarr_verified_at":null,"owner_username":"nemarAdmin","owner_github":"nemarAdmin","file_size_formatted":"17.55 GB","zarr_data_failures":{"count":352,"detail_ref":"zarr/index.json","compacted_by":"migration_0074"},"zarr_index_url":"https://zarr.nemar.org/on006914/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}}