{"dataset":{"id":"57424","dataset_id":"on004515","name":"EEG: Alcohol imagery reinforcement learning task with light and heavy drinker participants","description":"This dataset contains EEG recordings from an affective state reinforcement learning task performed by 54 community participants classified as light or heavy drinkers. The task involved alcohol-related imagery to examine reward-related neural responses, specifically the reward positivity, in relation to drinking status. Data were collected between 2019 and 2021 at the Clinical Research Center of the University of New Mexico.","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on004515","concept_doi":"10.82901/nemar.on004515","latest_version_doi":"10.82901/nemar.on004515.v1.0.0","created_at":"2026-06-24 14:01:49","updated_at":"2026-08-19 12:26:11","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"validated\",\n  \"title\": \"EEG: Alcohol imagery reinforcement learning task with light and heavy drinker participants\",\n  \"description\": \"This dataset contains EEG recordings from an affective state reinforcement learning task performed by 54 community participants classified as light or heavy drinkers. The task involved alcohol-related imagery to examine reward-related neural responses, specifically the reward positivity, in relation to drinking status. Data were collected between 2019 and 2021 at the Clinical Research Center of the University of New Mexico.\",\n  \"methods_description\": \"EEG data were collected from N=54 community participants (light and heavy drinkers) performing an alcohol imagery reinforcement learning task between 2019 and 2021 at the CRCL, University of New Mexico.\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Garima Singh\": {},\n    \"James F Cavanagh\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"reinforcement learning\"\n    },\n    {\n      \"term\": \"Alcohol Drinking\",\n      \"subject_scheme\": \"MeSH\",\n      \"value_uri\": \"http://id.nlm.nih.gov/mesh/D000428\"\n    },\n    {\n      \"term\": \"reward positivity\"\n    },\n    {\n      \"term\": \"Event-Related Potentials, P300\",\n      \"subject_scheme\": \"MeSH\",\n      \"scheme_uri\": \"https://id.nlm.nih.gov/mesh/\",\n      \"value_uri\": \"http://id.nlm.nih.gov/mesh/D018913\"\n    },\n    {\n      \"term\": \"heavy drinkers\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on004515\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"10.18112/openneuro.ds004515\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsVersionOf\"\n    },\n    {\n      \"identifier\": \"10.18112/openneuro.ds004515.v1.0.0\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataset/on004515\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    }\n  ],\n  \"resource_type_specific\": \"EEG Dataset\",\n  \"modalities\": [\n    \"eeg\"\n  ],\n  \"sizes\": [\n    \"10.1 GB (716 files)\"\n  ],\n  \"formats\": [\n    \".JPG\",\n    \".bmp\",\n    \".db\",\n    \".fdt\",\n    \".jpeg\",\n    \".jpg\",\n    \".json\",\n    \".m\",\n    \".mat\",\n    \".md\",\n    \".png\",\n    \".pptx\",\n    \".set\",\n    \".tsv\",\n    \".xlsx\",\n    \".yml\"\n  ],\n  \"source_hash\": \"71f3532f8b58c9e9fcc6c468d7fcba465e87fe7ef8d71fc3e4fbc607587bad73\"\n}","last_activity_at":"2026-06-24 14:01:49","source":"openneuro","source_id":"ds004515","subject_count":54,"modalities":"eeg","age_min":18,"age_max":55,"file_size":10177386838,"total_files":1110,"tasks":"ProbabilisticSelection","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Garima Singh, James F Cavanagh","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on004515-blue)](https://doi.org/10.82901/nemar.on004515)\n\nAffective state reinforcement learning task in N=54 Community participants.  High and low drinkers.  Data collected from 2019-2021 in the CRCL at UNM.  The paper [Singh, G., Campbell, E., Hogeveen, J; Witkiewitz,K., Claus, E.D., & Cavanagh, J.F.  Alcohol Imagery Boosts The Reward Positivity in Heavy Drinkers]  Under review at the moment.  Your best bet for understanding this task  would be to read that paper first.  - James F Cavanagh 08/02/2022","bids_version":"1.1.1","sessions_count":null,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-08-06 08:28:44","zarr_store_count":54,"zarr_index_etag":"7be7d6dc67d83a044f7ab5d4cfebee71","zarr_source_commit":"ae67ee20c324149528b86164bbee4a24b958d970","archive_status":"ready","archive_size":8064944473,"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":0,"num_datapaper_citations":0,"n_channels":66,"electrode_system":"10-10","has_hed":0,"hed_version":null,"is_exemplar":0,"bytes_present":10144137913,"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":74194.84000000001,"recording_duration_min":1192.248,"recording_duration_max":1885.848,"recording_count":54,"recordings_unavailable":0,"recordings_measured":54,"channel_count_min":66,"channel_count_max":66,"sampling_frequency":500,"power_line_frequency":60,"eeg_reference":"CPz","placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-08-19 12:25:55\",\"metadata_updated_at\":\"2026-08-19 12:26:10\",\"archive_checked_at\":\"2026-06-24 14:18:58\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-24 14:13:06\",\"citations_updated_at\":null,\"channel_montage_checked_at\":\"2026-06-28 23:26:47\",\"hed_checked_at\":\"2026-06-30 05:00:34\",\"data_checked_at\":\"2026-08-11 03:00:31\",\"availability_report_at\":\"2026-07-23 01:19:20\",\"recording_stats_at\":\"2026-09-02 11:32:47\",\"signal_defaults_at\":\"2026-09-02 12:14:45\"}","participants":54,"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":"9.48 GB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/on004515/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}}