{"dataset":{"id":"41109","dataset_id":"on007964","name":"Disentangling objects' contextual associations from perceptual and conceptual attributes using time-resolved neural decoding","description":"This dataset contains 128-channel EEG recordings from 20 observers (19 included in final analysis) viewing object images at 3.33 Hz to investigate how contextual associations, perceptual attributes, and conceptual properties of objects are represented in neural activity. One participant was excluded due to a technical error in EEG recording. Time-resolved neural decoding was applied to disentangle these distinct representational dimensions from the EEG signals.","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on007964","concept_doi":"10.82901/nemar.on007964","latest_version_doi":"10.82901/nemar.on007964.v1.0.0","created_at":"2026-06-17 13:50:25","updated_at":"2026-07-10 23:19:57","zenodo_concept_id":"20734040","is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"enriched\",\n  \"title\": \"Disentangling objects' contextual associations from perceptual and conceptual attributes using time-resolved neural decoding\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Kim, Ariel*\": {},\n    \"Quek, Genevieve*\": {\n      \"orcid\": \"0000-0002-5905-8405\"\n    },\n    \"Moerel, Denise*\": {\n      \"orcid\": \"0000-0001-9677-0170\"\n    },\n    \"Gorton, Olivia\": {},\n    \"Carlson, Thomas\": {\n      \"orcid\": \"0000-0002-3953-4195\"\n    }\n  },\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"10.18112/openneuro.ds007964.v1.0.0\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    },\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on007964\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataexplorer/detail?dataset_id=on007964\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"10.17605/OSF.IO/JY284\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsSupplementedBy\"\n    },\n    {\n      \"identifier\": \"10.1101/2025.05.29.656895\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDescribedBy\"\n    }\n  ],\n  \"funding_references\": [\n    {\n      \"funder_name\": \"Australian Research Council\",\n      \"award_number\": \"DP200101787\"\n    }\n  ],\n  \"modalities\": [\n    \"eeg\"\n  ],\n  \"resource_type_specific\": \"EEG Dataset\",\n  \"sizes\": [\n    \"20.2 GB (96 files)\"\n  ],\n  \"formats\": [\n    \".eeg\",\n    \".json\",\n    \".mat\",\n    \".md\",\n    \".tsv\",\n    \".vhdr\",\n    \".vmrk\",\n    \".yml\"\n  ],\n  \"description\": \"This dataset contains 128-channel EEG recordings from 20 observers (19 included in final analysis) viewing object images at 3.33 Hz to investigate how contextual associations, perceptual attributes, and conceptual properties of objects are represented in neural activity. One participant was excluded due to a technical error in EEG recording. Time-resolved neural decoding was applied to disentangle these distinct representational dimensions from the EEG signals.\",\n  \"methods_description\": \"EEG data were recorded from 128 channels while 20 observers (19 included in final analysis) viewed object images presented at 3.33 Hz (100 ms image duration, 200 ms interstimulus interval). Representational dissimilarity matrices were computed from the neural data.\",\n  \"keywords\": [\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"neural decoding\"\n    },\n    {\n      \"term\": \"object recognition\"\n    },\n    {\n      \"term\": \"object representation\"\n    },\n    {\n      \"term\": \"representational dissimilarity analysis\"\n    },\n    {\n      \"term\": \"contextual associations\"\n    },\n    {\n      \"term\": \"perceptual attributes\"\n    },\n    {\n      \"term\": \"conceptual attributes\"\n    },\n    {\n      \"term\": \"visual perception\"\n    },\n    {\n      \"term\": \"time-resolved decoding\"\n    },\n    {\n      \"term\": \"temporal dynamics\"\n    },\n    {\n      \"term\": \"semantic representation\"\n    }\n  ],\n  \"source_hash\": \"93b777292896358252fb8d9a7294955498e831f13055f4502b10f30d739e380d\"\n}","last_activity_at":"2026-06-17 13:50:25","source":"openneuro","source_id":"ds007964","subject_count":20,"modalities":"eeg","age_min":18,"age_max":34,"file_size":20244569129,"total_files":96,"tasks":"rsvp","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Kim, Ariel*, Quek, Genevieve*, Moerel, Denise*, Gorton, Olivia, Carlson, Thomas","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on007964-blue)](https://doi.org/10.82901/nemar.on007964)\n\nRaw EEG data and representational dissimilarity matrices can be found here.\n\nAnalysis scripts and behavioural data can be found via the open science framework: https://doi.org/10.17605/OSF.IO/JY284\n\nA preprint of the manuscript can be found on biorxiv: https://doi.org/10.1101/2025.05.29.656895\n\nExperiment Details: We recorded 128 channel EEG data from 20 observers as they viewed object images appearing at a rate of 3.33 Hz (image duration = 100 ms; ISI = 200 ms). One participant (sub-02) was excluded due to a technical error in the EEG recording, resulting in a final sample of 19 participants.","bids_version":"1.0.2","sessions_count":null,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-09-06 01:32:22","zarr_store_count":19,"zarr_index_etag":"9e7508a2dd88b5fa5e3f20a67f7b9998","zarr_source_commit":"d2dce7b3b3a4edd507970c4d1fe2a3958afc4ebe","archive_status":"ready","archive_size":15119460917,"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":2,"n_channels":null,"electrode_system":null,"has_hed":0,"hed_version":null,"is_exemplar":0,"bytes_present":null,"data_complete":null,"withdrawn_at":null,"withdrawn_reason":null,"archive_complete":null,"archive_absent_files":null,"archive_declared_files":null,"zarr_pool_breaks":0,"total_recording_duration":39376.32,"recording_duration_min":1903.32,"recording_duration_max":2277.34,"recording_count":19,"recordings_unavailable":0,"recordings_measured":19,"channel_count_min":127,"channel_count_max":127,"sampling_frequency":1000,"power_line_frequency":50,"eeg_reference":"FCz","placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-06-17 13:59:35\",\"metadata_updated_at\":\"2026-06-17 13:59:40\",\"archive_checked_at\":\"2026-06-17 14:11:32\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-17 14:04:05\",\"citations_updated_at\":\"2026-09-08 03:00:52\",\"channel_montage_checked_at\":\"2026-06-29 00:00:01\",\"hed_checked_at\":\"2026-06-30 05:46:59\",\"data_checked_at\":null,\"availability_report_at\":\"2026-07-23 01:34:14\",\"signal_defaults_at\":\"2026-09-02 12:59:35\",\"recording_stats_at\":\"2026-09-06 03:01:17\"}","participants":20,"num_citations":2,"latest_version":"v1.0.0","zarr_verify_status":null,"zarr_verified_at":null,"owner_username":"nemarAdmin","owner_github":"nemarAdmin","file_size_formatted":"18.85 GB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/on007964/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}}