{"dataset":{"id":"49852","dataset_id":"on007463","name":"Very-High-Density Diffuse Optical Tomography System Validation Dataset","description":"This dataset comprises neuroimaging data from 8 participants performing functional localizer and movie-viewing tasks acquired simultaneously using Very High Density Diffuse Optical Tomography (VHD-DOT) and functional MRI. The dataset includes raw VHD-DOT data in SNIRF format from sessions 1-2 and fMRI data in NIfTI format from session 3 onwards, with preprocessed fMRI derivatives provided for direct comparison with optical neuroimaging measurements. Published in Imaging Neuroscience (2025).","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on007463","concept_doi":"10.82901/nemar.on007463","latest_version_doi":"10.82901/nemar.on007463.v1.0.0","created_at":"2026-06-20 18:13:10","updated_at":"2026-07-10 23:14:30","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"enriched\",\n  \"title\": \"Very-High-Density Diffuse Optical Tomography System Validation Dataset\",\n  \"description\": \"This dataset comprises neuroimaging data from 8 participants performing functional localizer and movie-viewing tasks acquired simultaneously using Very High Density Diffuse Optical Tomography (VHD-DOT) and functional MRI. The dataset includes raw VHD-DOT data in SNIRF format from sessions 1-2 and fMRI data in NIfTI format from session 3 onwards, with preprocessed fMRI derivatives provided for direct comparison with optical neuroimaging measurements. Published in Imaging Neuroscience (2025).\",\n  \"methods_description\": \"Data were collected during functional localizer and movie-viewing tasks using concurrent Very High Density Diffuse Optical Tomography and fMRI acquisition. VHD-DOT data are provided in SNIRF format while fMRI data are in NIfTI format. Preprocessed fMRI data for comparison are included in the derivatives folder. Full methodological details are available in Fogarty et al. (2025).\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Morgan Fogarty\": {\n      \"orcid\": \"0000-0003-1334-1923\",\n      \"affiliations\": [\n        {\n          \"name\": \"Imaging Science Doctoral Program, Washington University in St. Louis, St. Louis, MO, United States\"\n        },\n        {\n          \"name\": \"Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO, United States\"\n        }\n      ]\n    },\n    \"Sean M. Rafferty\": {},\n    \"Zachary E. Markow\": {},\n    \"Anthony C. O’Sullivan\": {},\n    \"Calamity F. Svoboda\": {},\n    \"Tessa George\": {},\n    \"Kelsey King\": {},\n    \"Dana Wilhelm\": {},\n    \"Kalyan Tripathy\": {},\n    \"Emily M. Mugler\": {},\n    \"Stephanie Naufel\": {},\n    \"Allen Yin\": {},\n    \"Jason W. Trobaugh\": {},\n    \"Adam T. Eggebrecht\": {},\n    \"Edward J. Richter\": {},\n    \"Joseph P. Culver\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"diffuse optical tomography\"\n    },\n    {\n      \"term\": \"VHD-DOT\"\n    },\n    {\n      \"term\": \"fMRI\"\n    },\n    {\n      \"term\": \"functional neuroimaging\"\n    },\n    {\n      \"term\": \"brain mapping\"\n    },\n    {\n      \"term\": \"optical imaging\"\n    },\n    {\n      \"term\": \"multimodal imaging\"\n    },\n    {\n      \"term\": \"concurrent imaging\"\n    },\n    {\n      \"term\": \"SNIRF\"\n    },\n    {\n      \"term\": \"validation\"\n    },\n    {\n      \"term\": \"functional localizer\"\n    },\n    {\n      \"term\": \"movie-viewing task\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"10.18112/openneuro.ds007463.v1.1.1\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsIdenticalTo\"\n    },\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on007463\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataexplorer/detail?dataset_id=on007463\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"10.1162/IMAG.a.54\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDescribedBy\"\n    }\n  ],\n  \"resource_type_specific\": \"fNIRS Dataset\",\n  \"modalities\": [\n    \"nirs\",\n    \"anat\",\n    \"func\"\n  ],\n  \"sizes\": [\n    \"254.1 GB (282 files)\"\n  ],\n  \"formats\": [\n    \".gz\",\n    \".json\",\n    \".log\",\n    \".mat\",\n    \".md\",\n    \".nii\",\n    \".snirf\",\n    \".tsv\",\n    \".yml\"\n  ],\n  \"funding_references\": [\n    {\n      \"funder_name\": \"National Institutes of Health\"\n    },\n    {\n      \"funder_name\": \"National Institutes of Health\",\n      \"award_number\": \"Not specified in source metadata\"\n    },\n    {\n      \"funder_name\": \"National Institutes of Health\",\n      \"award_number\": \"Award numbers not specified in available metadata\"\n    }\n  ],\n  \"source_hash\": \"afe5571764c6de4804b3c52917511bf13065a1045103d02ab4b96282fbd10f79\"\n}","last_activity_at":"2026-06-20 18:13:10","source":"openneuro","source_id":"ds007463","subject_count":8,"modalities":"anat,func,nirs","age_min":null,"age_max":null,"file_size":254406828867,"total_files":867,"tasks":"AC001,AC002,AC1,AC2,GV001,GV002,GV003,GV1,GV2,HW001,HW002,HW003,HW1,HW2,MOT001,MOT002,MOT1,MOT2,MOV001,MOV002,MOV003,MOV004,MOV1,MOV2","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Morgan Fogarty, Sean M. Rafferty, Zachary E. Markow, Anthony C. O’Sullivan, Calamity F. Svoboda, Tessa George, Kelsey King, Dana Wilhelm, Kalyan Tripathy, Emily M. Mugler, Stephanie Naufel, Allen Yin, Jason W. Trobaugh, Adam T. Eggebrecht, Edward J. Richter, Joseph P. Culver","license":"CC0","readme":"This dataset consists of 8 participants completing functional localizer and movie-viewing tasks in both Very High Density Diffuse Optical Tomography (VHD-DOT) and fMRI. Sessions 1 and 2 for each subject include the VHD-DOT data in SNIRF format while sessions 3 or more include the fMRI data in NIFTI format. \n\nPreprocessed fMRI data used for comparisons to VHD-DOT are in the /derivatives folder and are in NIFTI format. \n\nMore information on this data can be found here: \nMorgan Fogarty, Sean M. Rafferty, Zachary E. Markow, Anthony C. O’Sullivan, Calamity F. Svoboda, Tessa George, Kelsey King, Dana Wilhelm, Kalyan Tripathy, Emily M. Mugler, Stephanie Naufel, Allen Yin, Jason W. Trobaugh, Adam T. Eggebrecht, Edward J. Richter, Joseph P. Culver; Functional brain mapping using whole-head very high-density diffuse optical tomography. Imaging Neuroscience 2025; 3 IMAG.a.54. doi: https://doi.org/10.1162/IMAG.a.54","bids_version":"","sessions_count":4,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-09-06 19:31:32","zarr_store_count":0,"zarr_index_etag":"18b11f7c13d1046dd5ad27a317d0c644","zarr_source_commit":"af9516bd7e7669d7c2256a28f7ca5328547474f4","archive_status":null,"archive_size":null,"archive_retry_count":0,"records_status":"ready","archive_skip_reason":"dataset 236.9 GB exceeds 100.0 GB archive limit; use direct download","zarr_errors":0,"zarr_failure_count":0,"zarr_deterministic":0,"zarr_failed_at":null,"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":254139307466,"data_complete":1,"withdrawn_at":null,"withdrawn_reason":null,"archive_complete":null,"archive_absent_files":null,"archive_declared_files":null,"zarr_pool_breaks":0,"total_recording_duration":null,"recording_duration_min":null,"recording_duration_max":null,"recording_count":0,"recordings_unavailable":0,"recordings_measured":0,"channel_count_min":null,"channel_count_max":null,"sampling_frequency":null,"power_line_frequency":null,"eeg_reference":null,"placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-06-20 18:50:14\",\"metadata_updated_at\":\"2026-06-20 18:50:18\",\"archive_checked_at\":\"2026-06-20 18:50:35\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-20 18:51:08\",\"citations_updated_at\":null,\"channel_montage_checked_at\":null,\"hed_checked_at\":\"2026-06-30 05:44:23\",\"data_checked_at\":\"2026-07-26 03:00:38\",\"availability_report_at\":\"2026-07-23 01:32:38\",\"signal_defaults_at\":\"2026-09-02 12:54:52\",\"recording_stats_at\":\"2026-09-07 03:01:16\"}","participants":8,"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":"237 GB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/on007463/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}}