{"dataset":{"id":"57714","dataset_id":"on004574","name":"Cross-modal Oddball Task.","description":"This dataset contains EEG recordings from 146 subjects, including 98 individuals with Parkinson's disease and 48 controls, collected between 2017 and 2021. Participants performed a cross-modal oddball task involving a primary directional response cue preceded by visual and auditory pre-cues, designed to probe cognitive processing in Parkinson's disease. EEG data were recorded using a 64-channel BrainVision system.","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on004574","concept_doi":"10.82901/nemar.on004574","latest_version_doi":"10.82901/nemar.on004574.v1.0.0","created_at":"2026-06-24 20:33:14","updated_at":"2026-08-19 09:03:44","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"validated\",\n  \"title\": \"Cross-modal Oddball Task.\",\n  \"description\": \"This dataset contains EEG recordings from 146 subjects, including 98 individuals with Parkinson's disease and 48 controls, collected between 2017 and 2021. Participants performed a cross-modal oddball task involving a primary directional response cue preceded by visual and auditory pre-cues, designed to probe cognitive processing in Parkinson's disease. EEG data were recorded using a 64-channel BrainVision system.\",\n  \"methods_description\": \"EEG was recorded with a 64-channel BrainVision cap while subjects performed a cross-modal oddball task involving a primary GO cue (a directional arrow) preceded by simultaneous visual and auditory pre-cues (500ms prior), with standard or oddball variations in either modality.\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Arun Singh arun.singh@usd.edu\": {},\n    \"Rachel Cole rachel-cole@uiowa.edu\": {},\n    \"Arturo Espinoza arturo-espinoza@uiowa.edu\": {},\n    \"Jan R Wessel jan-wessel@uiowa.edu\": {},\n    \"Jim Cavanagh jcavanagh@unm.edu\": {},\n    \"Nandakumar Narayanan nandakumar-narayanan@uiowa.edu\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"Parkinson Disease\",\n      \"subject_scheme\": \"MeSH\",\n      \"value_uri\": \"http://id.nlm.nih.gov/mesh/D010300\"\n    },\n    {\n      \"term\": \"oddball paradigm\"\n    },\n    {\n      \"term\": \"cognitive control\"\n    },\n    {\n      \"term\": \"event-related potentials\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"10.1101/2022.07.26.22278079\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsSupplementTo\"\n    },\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on004574\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"10.18112/openneuro.ds004574.v1.0.0\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataset/on004574\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    }\n  ],\n  \"funding_references\": [\n    {\n      \"funder_name\": \" Human Subjects Review Board (IRB# 201707828).\"\n    },\n    {\n      \"funder_name\": \"NIH\",\n      \"award_number\": \"P20NS123151\"\n    },\n    {\n      \"funder_name\": \"NIH\",\n      \"award_number\": \"R01NS100849\"\n    },\n    {\n      \"funder_name\": \"NIH\",\n      \"award_number\": \"F32 AG069445-01\"\n    }\n  ],\n  \"resource_type_specific\": \"Neuroimaging Dataset\",\n  \"modalities\": [\n    \"beh\",\n    \"eeg\"\n  ],\n  \"sizes\": [\n    \"14.5 GB (296 files)\"\n  ],\n  \"formats\": [\n    \".fdt\",\n    \".json\",\n    \".m\",\n    \".md\",\n    \".set\",\n    \".tsv\",\n    \".yml\"\n  ],\n  \"source_hash\": \"a109a920efed2ac86e61738bab4185a6c454d395896321c365db5d1c108b08dd\"\n}","last_activity_at":"2026-06-24 20:33:14","source":"openneuro","source_id":"ds004574","subject_count":146,"modalities":"beh,eeg","age_min":48,"age_max":86,"file_size":14470037746,"total_files":1181,"tasks":"Oddball","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Arun Singh arun.singh@usd.edu, Rachel Cole rachel-cole@uiowa.edu, Arturo Espinoza arturo-espinoza@uiowa.edu, Jan R Wessel jan-wessel@uiowa.edu, Jim Cavanagh jcavanagh@unm.edu, Nandakumar Narayanan nandakumar-narayanan@uiowa.edu","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on004574-blue)](https://doi.org/10.82901/nemar.on004574)\n\nThis experiment includes 146 subjects: 98 individuals with Parkinsons disease, \nand 48 controls. The data were collected from 2017-2021. Subjects completed this oddball task (along with multiple other cognitive tasks) \nwhile EEG was recorded with a 64-channel BrainVision cap. This task includes a primary GO cue,\n(white arrow) that required a directional response. That response could be correct or incorrect. The primary cue \n\nwas preceeded by a visual pre-cue and an auditory pre-cue, which occurred at the same time (500ms before arrow cue). \nEach trial had either standard for both pre-cues, oddball visual pre-cue, or oddball auditory pre-cue. \nOur analysis focused only on trials with both pre-cues standard or oddball auditory pre-cue.","bids_version":"v1.2.1","sessions_count":null,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-08-06 01:41:14","zarr_store_count":146,"zarr_index_etag":"3f0085f4a03ebc9ff827281645c2ae6b","zarr_source_commit":"a095920253123e789c6124423c4463c34f60551f","archive_status":"ready","archive_size":13215063464,"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":8,"n_channels":63,"electrode_system":"10-10","has_hed":0,"hed_version":null,"is_exemplar":0,"bytes_present":14463417192,"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":111754.40000000001,"recording_duration_min":318.3,"recording_duration_max":1394.08,"recording_count":146,"recordings_unavailable":0,"recordings_measured":146,"channel_count_min":63,"channel_count_max":66,"sampling_frequency":500,"power_line_frequency":60,"eeg_reference":"Pz","placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-08-19 09:03:27\",\"metadata_updated_at\":\"2026-08-19 09:03:42\",\"archive_checked_at\":\"2026-06-24 20:53:19\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-24 20:43:02\",\"citations_updated_at\":\"2026-09-08 03:00:50\",\"channel_montage_checked_at\":\"2026-06-28 23:29:09\",\"hed_checked_at\":\"2026-06-30 05:02:19\",\"data_checked_at\":\"2026-08-12 03:00:34\",\"availability_report_at\":\"2026-07-23 01:19:44\",\"recording_stats_at\":\"2026-09-02 11:32:50\",\"signal_defaults_at\":\"2026-09-02 12:16:58\"}","participants":146,"num_citations":8,"latest_version":"v1.0.0","zarr_verify_status":null,"zarr_verified_at":null,"owner_username":"nemarAdmin","owner_github":"nemarAdmin","file_size_formatted":"13.48 GB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/on004574/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}}