{"dataset":{"id":"54874","dataset_id":"on004075","name":"what_are_we_talking_about","description":"EEG dataset containing recordings from participants engaged in natural conversation. The dataset includes raw EEG data collected during spontaneous speech interactions, designed to investigate neural correlates of communication and language processing. 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Data were acquired using standard EEG recording protocols and include multiple channels of continuous EEG activity synchronized with behavioral and linguistic annotations.\",\n \"license\": \"CC0\",\n \"dataset_type\": \"raw\",\n \"authors\": {\n \"Adam Boncz\": {},\n \"Brigitta Toth\": {},\n \"István Winkler\": {}\n },\n \"keywords\": [\n {\n \"term\": \"EEG\"\n },\n {\n \"term\": \"conversation\"\n },\n {\n \"term\": \"natural language\"\n },\n {\n \"term\": \"speech processing\"\n },\n {\n \"term\": \"brain activity\"\n },\n {\n \"term\": \"neurolinguistics\"\n },\n {\n \"term\": \"dialogue\"\n },\n {\n \"term\": \"dyadic interaction\"\n },\n {\n \"term\": \"spontaneous speech\"\n }\n ],\n \"related_identifiers\": [\n {\n \"identifier\": \"https://github.com/nemarDatasets/on004075\",\n \"identifier_type\": \"URL\",\n \"relation_type\": \"IsDescribedBy\"\n },\n {\n \"identifier\": \"https://nemar.org/dataexplorer/detail?dataset_id=on004075\",\n \"identifier_type\": \"URL\",\n \"relation_type\": \"IsDescribedBy\"\n },\n {\n \"identifier\": \"10.18112/openneuro.ds004075.v1.0.0\",\n \"identifier_type\": \"DOI\",\n \"relation_type\": \"IsDerivedFrom\"\n }\n ],\n \"funding_references\": [\n {\n \"funder_name\": \"Hungarian Academy of Sciences\",\n \"award_number\": \"LP2012-36/2012\"\n },\n {\n \"funder_name\": \"National Research, Development and Innovation Office, Hungary\",\n \"award_number\": \"K132642\"\n },\n {\n \"funder_name\": \"National Research, Development and Innovation Office, Hungary\",\n \"award_number\": \"PD123790\"\n }\n ],\n \"resource_type_general\": \"Dataset\",\n \"resource_type_specific\": \"EEG Dataset\",\n \"modalities\": [\n \"eeg\"\n ],\n \"sizes\": [\n \"7.9 GB (349 files)\"\n ],\n \"formats\": [\n \".eeg\",\n \".json\",\n \".md\",\n \".vhdr\",\n \".vmrk\",\n \".yml\"\n ],\n \"source_hash\": \"6e62a4d6432e7dc66b050f65f4d60fd74a9a26eb23ebfb299d1d697b7153c541\"\n}","last_activity_at":"2026-06-23 05:31:48","source":"openneuro","source_id":"ds004075","subject_count":29,"modalities":"eeg","age_min":null,"age_max":null,"file_size":7936062861,"total_files":470,"tasks":"context03,context09,context10,context11","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Adam Boncz, Brigitta Toth, István Winkler","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on004075-blue)](https://doi.org/10.82901/nemar.on004075)\n\n\n## Provenance\n\nThis dataset is mirrored on NEMAR from OpenNeuro.\n\n- Source: [ds004075](https://openneuro.org/datasets/ds004075)\n- DOI: [10.18112/openneuro.ds004075.v1.0.0](https://doi.org/10.18112/openneuro.ds004075.v1.0.0)\n","bids_version":"v1.7.0","sessions_count":null,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"failed","zarr_converted_at":null,"zarr_store_count":null,"zarr_index_etag":null,"zarr_source_commit":null,"archive_status":"ready","archive_size":6063363123,"archive_retry_count":0,"records_status":"ready","archive_skip_reason":null,"zarr_errors":116,"zarr_failure_count":116,"zarr_deterministic":1,"zarr_failed_at":"2026-08-05 00:46:16","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":7936043865,"data_complete":1,"withdrawn_at":null,"withdrawn_reason":null,"archive_complete":null,"archive_absent_files":null,"archive_declared_files":null,"zarr_pool_breaks":null,"total_recording_duration":null,"recording_duration_min":null,"recording_duration_max":null,"recording_count":null,"recordings_unavailable":null,"recordings_measured":null,"channel_count_min":null,"channel_count_max":null,"sampling_frequency":1000,"power_line_frequency":50,"eeg_reference":"Cz","placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-06-23 05:39:23\",\"metadata_updated_at\":\"2026-06-23 05:39:27\",\"archive_checked_at\":\"2026-06-23 05:45:12\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-23 05:46:35\",\"citations_updated_at\":null,\"channel_montage_checked_at\":\"2026-06-28 23:19:11\",\"hed_checked_at\":\"2026-06-30 04:51:45\",\"data_checked_at\":\"2026-08-05 03:00:33\",\"availability_report_at\":\"2026-07-23 01:16:40\",\"recording_stats_at\":null,\"signal_defaults_at\":\"2026-09-02 12:06:58\"}","participants":29,"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":"7.39 GB","zarr_data_failures":{"count":116,"detail_ref":"zarr/index.json","compacted_by":"migration_0074"},"zarr_index_url":null,"attestation_deposit_type":null,"attestation_key_status":null,"attestation_deidentified":null,"attestation_no_duplicate":null,"attestation_upstream_source":null,"attestation_accepted_at":null}}