{"dataset":{"id":"58255","dataset_id":"on004603","name":"Visual Attribute-Specific Contextual Trajectory Paradigm","description":"This dataset contains EEG recordings from 37 healthy adult subjects who completed a novel visual contextual trajectory paradigm (CTP) designed to probe predictive processing of attribute-specific violations. Stimuli involved a bound object whose brightness, size, or orientation could deviate from an established trajectory, with control trials containing no violation. The dataset supports investigation of attribute-specific prediction error responses in the visual system.","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on004603","concept_doi":"10.82901/nemar.on004603","latest_version_doi":"10.82901/nemar.on004603.v1.0.0","created_at":"2026-06-25 01:31:43","updated_at":"2026-08-19 07:29:42","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 Attribute-Specific Contextual Trajectory Paradigm\",\n  \"description\": \"This dataset contains EEG recordings from 37 healthy adult subjects who completed a novel visual contextual trajectory paradigm (CTP) designed to probe predictive processing of attribute-specific violations. Stimuli involved a bound object whose brightness, size, or orientation could deviate from an established trajectory, with control trials containing no violation. The dataset supports investigation of attribute-specific prediction error responses in the visual system.\",\n  \"methods_description\": \"37 subjects with normal or corrected-to-normal vision, no history of neurological disorder, and under 35 years of age completed a visual contextual trajectory paradigm (CTP) in which a bound stimulus's onset could violate an established trajectory in brightness, size, or orientation, with control trials containing no violation.\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Benjamin Lowe (ben.lowe@mq.edu.au)\": {},\n    \"Jonathan Robinson (jonathan.robinson@monash.edu)\": {},\n    \"Naohide Yamamoto (naohide.yamamoto@qut.edu.au)\": {},\n    \"Hinze Hogendoorn (hinze.hogendoorn@qut.edu.au)\": {},\n    \"Patrick Johnston (dr.pat.johnston@icloud.com)\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"prediction error\"\n    },\n    {\n      \"term\": \"Visual Perception\",\n      \"subject_scheme\": \"MeSH\",\n      \"value_uri\": \"http://id.nlm.nih.gov/mesh/D014796\"\n    },\n    {\n      \"term\": \"predictive coding\"\n    },\n    {\n      \"term\": \"event-related potentials\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on004603\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"10.1016/j.cortex.2023.08.004\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsSupplementTo\"\n    },\n    {\n      \"identifier\": \"10.18112/openneuro.ds004603.v1.1.0\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataset/on004603\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    }\n  ],\n  \"resource_type_general\": \"Dataset\",\n  \"resource_type_specific\": \"Neuroimaging Dataset\",\n  \"modalities\": [\n    \"beh\",\n    \"eeg\"\n  ],\n  \"sizes\": [\n    \"42.0 GB (241 files)\"\n  ],\n  \"formats\": [\n    \".csv\",\n    \".eeg\",\n    \".fif\",\n    \".json\",\n    \".mat\",\n    \".md\",\n    \".tsv\",\n    \".vhdr\",\n    \".vmrk\",\n    \".yml\"\n  ],\n  \"source_hash\": \"cb4a286dba1417129a3f4f084799c6066ec5abb83e91bb3cac3816090837006d\"\n}","last_activity_at":"2026-06-25 01:31:43","source":"openneuro","source_id":"ds004603","subject_count":37,"modalities":"beh,eeg","age_min":17,"age_max":30,"file_size":42020117914,"total_files":471,"tasks":"CTP","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Benjamin Lowe (ben.lowe@mq.edu.au), Jonathan Robinson (jonathan.robinson@monash.edu), Naohide Yamamoto (naohide.yamamoto@qut.edu.au), Hinze Hogendoorn (hinze.hogendoorn@qut.edu.au), Patrick Johnston (dr.pat.johnston@icloud.com)","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on004603-blue)](https://doi.org/10.82901/nemar.on004603)\n\nThese data were recorded from 37 subjects using the following exclusion\ncriteria: Normal, or correct to normal, vision; no history of neurological disorder; and less than 35 years of age.\n\nSubjects completed a novel, visual contextual trajectory paradigm (CTP) wherein\nthe onset of a bound stimulus violated an established trajectory in terms of\nits brightness, size, or orientation. No attribute was violated during control\ntrials. Full method details can be read within the following published paper: https://doi.org/10.1016/j.cortex.2023.08.004\n\nAnalysis code is available at: https://github.com/benjaminglowe/attribute-specific-prediction-error-analysis-code\n\nPlease email ben.lowe@mq.edu.au if you have any further questions.\n","bids_version":"1.11.0","sessions_count":null,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-08-14 01:56:19","zarr_store_count":37,"zarr_index_etag":"aa89df62d9915e1d64092d8d5c20f544","zarr_source_commit":"ca24e6e7eb34a1bdf77195f4ecb1256306bbd717","archive_status":"ready","archive_size":32021739559,"archive_retry_count":0,"records_status":"ready","archive_skip_reason":null,"zarr_errors":61,"zarr_failure_count":61,"zarr_deterministic":1,"zarr_failed_at":"2026-08-14 01:56:19","num_dataset_citations":1,"num_datapaper_citations":3,"n_channels":64,"electrode_system":"10-10","has_hed":0,"hed_version":null,"is_exemplar":0,"bytes_present":42013989957,"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":110351,"recording_duration_min":2736,"recording_duration_max":3360,"recording_count":98,"recordings_unavailable":61,"recordings_measured":37,"channel_count_min":65,"channel_count_max":65,"sampling_frequency":1024,"power_line_frequency":50,"eeg_reference":"CMS/DRL","placement_scheme":"10-20 International System","sweep_stamps":"{\"enrichment_updated_at\":\"2026-08-19 07:29:28\",\"metadata_updated_at\":\"2026-08-19 07:29:41\",\"archive_checked_at\":\"2026-06-25 02:04:55\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-25 01:41:04\",\"citations_updated_at\":\"2026-09-08 03:00:50\",\"channel_montage_checked_at\":\"2026-06-28 23:31:03\",\"hed_checked_at\":\"2026-06-30 05:03:50\",\"data_checked_at\":\"2026-08-13 03:00:49\",\"availability_report_at\":\"2026-07-23 01:20:08\",\"recording_stats_at\":\"2026-09-02 11:32:53\",\"signal_defaults_at\":\"2026-09-02 12:18:26\"}","participants":37,"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":"39.13 GB","zarr_data_failures":{"count":61,"detail_ref":"zarr/index.json","compacted_by":"migration_0074"},"zarr_index_url":"https://zarr.nemar.org/on004603/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}}