{"success":true,"database":"eegdash","data":{"_id":"69d3b320897a7725c66ff156","dataset_id":"ds002799","associated_paper_doi":null,"authors":["Thompson WH*","Nair R*","Oya H*","Esteban O","Shine JM","Petkov CI","Poldrack RA","Howard M","Adolphs R†","*equally contributing, †corresponding author"],"bids_version":null,"contact_info":null,"contributing_labs":null,"data_processed":null,"dataset_doi":"10.18112/openneuro.ds002799.v1.0.4","datatypes":["anat","eeg","fmap","func","ieeg"],"demographics":{"subjects_count":27,"ages":[34,48,38,24,13,22,59,56,19,22,50,30,36,31,45,39,31,35,43,31,50,30,30,47,34,34],"age_min":13,"age_max":59,"age_mean":35.80769230769231,"species":null,"sex_distribution":null,"handedness_distribution":null},"experimental_modalities":null,"external_links":{"source_url":"https://openneuro.org/datasets/ds002799/versions/1.0.4","osf_url":null,"github_url":null,"paper_url":null},"funding":["Funded by NIH grant U01NS103780 (RP, RA and MH)","The Simons Foundation Collaboration on the Global Brain (RA)","Knut and Alice Wallenberg Foundation grant 2016.0473 (WHT) ","UK Wellcome Trust (CIP) and European Research Council (CIP)","The OpenNeuro repository is funded by NIH Grant R24MH117179 (RP)"],"ingestion_fingerprint":"9da33c96c401cb631c7f5ceb6bcb381fe3c0191d5f48167ccc3143e65ba88c24","license":"CC0","n_contributing_labs":null,"name":"Human es-fMRI Resource: Concurrent deep-brain stimulation and whole-brain functional MRI","readme":"Link to published paper for this data resource: https://rdcu.be/b57kz\n\nThis collection contains data from 26 human patients who underwent electrical stimulation during functional magnetic resonance imaging (es-fMRI). The patients had medically refractory epilepsy requiring surgically implanted intracranial electrodes in cortical and subcortical locations. One or multiple contacts on these electrodes were stimulated while simultaneously recording BOLD-fMRI activity in a block design. Multiple runs exist for patients with different stimulation sites. \nData is organized in two sessions : Pre-op (pre electrode implantation) and Post-op (post electrode implantation). Raw data is provided in BIDS format and consists of T1s, T2s, resting state scans (pre-op), es-fMRI scans(post-op) , any associated field-maps and stimulation electrode coordinates and stimulation parameters. Pre-processed data (fMRIprep and Freesurfer) is present in the ‘derivatives’ folder.   \n\nNotes:\n1. Subject IDs 339, 369 and 394 do not have stimulation electrode location data available.\n2. Electrodes are in chA-chB format (chA gets leading positive phase of the stimulation). This information is stored in the \"channel\" file for each stimulation run.\n3. In some cases, two distant sites were stimulated simultaneously as indicated by the electrode listed under the appropriate run IDs within the ieeg folders.","recording_modality":["ieeg"],"senior_author":null,"sessions":["postop","preop"],"size_bytes":19940287452.0,"source":"openneuro","storage":null,"study_design":null,"study_domain":"","tasks":["es","rest"],"timestamps":{"digested_at":"2026-04-06T13:03:58.241399+00:00","dataset_created_at":null,"dataset_modified_at":null},"total_files":16824,"tagger_meta":{"config_hash":"3557b68bca409f28","metadata_hash":"ffeade8b0f638d6a","model":"openai/gpt-5.2","tagged_at":"2026-04-07T09:32:40.872789+00:00"},"tags":{"pathology":["Epilepsy"],"modality":["Other"],"type":["Clinical/Intervention"],"confidence":{"pathology":0.9,"modality":0.6,"type":0.8},"reasoning":{"few_shot_analysis":"Most similar few-shot example by POPULATION is the epilepsy dataset: \"Dataset of EEG recordings of pediatric patients with epilepsy...\" labeled Pathology=Epilepsy and Type=Clinical/Intervention. This guides the convention that when participants are explicitly recruited as epilepsy patients, Pathology should be Epilepsy (not Healthy/Other). For Type, the Parkinson’s and Dementia examples show that when a dataset is primarily a patient resource/biomarker/clinical protocol (rather than a basic cognition task), Type maps to Clinical/Intervention. No few-shot example covers concurrent electrical stimulation during MRI; thus Modality must be inferred and likely maps to Other/Unknown under EEGDash conventions.","metadata_analysis":"Key explicit population facts: (1) \"26 human patients who underwent electrical stimulation during functional magnetic resonance imaging (es-fMRI).\" (2) \"The patients had medically refractory epilepsy requiring surgically implanted intracranial electrodes...\" Task/procedure facts: (3) \"One or multiple contacts on these electrodes were stimulated while simultaneously recording BOLD-fMRI activity in a block design.\" (4) \"Raw data... consists of... resting state scans (pre-op), es-fMRI scans(post-op)...\" These indicate a clinical epilepsy cohort with an interventional stimulation protocol plus some resting-state scans, but no conventional external sensory stimulus modality (auditory/visual/tactile).","paper_abstract_analysis":"No useful paper information.","evidence_alignment_check":"Pathology: Metadata says \"medically refractory epilepsy\" (explicit diagnosis) and \"patients\" with implanted electrodes. Few-shot pattern suggests labeling explicit epilepsy cohorts as Epilepsy (see epilepsy few-shot). ALIGN.\nModality: Metadata describes intracranial \"electrical stimulation\" during fMRI and also \"resting state scans\"; it does not describe auditory/visual/tactile stimuli or a sleep recording. Few-shot patterns cover standard sensory modalities and resting-state/sleep, but do not include electrical stimulation as a modality label. PARTIAL ALIGN only in the sense that non-sensory paradigms often map to Other/Unknown; conflict is that Resting State is present but not dominant in the title/aim.\nType: Metadata emphasizes an interventional protocol (electrical stimulation) in a clinical cohort (epilepsy surgery workup). Few-shot conventions (e.g., Parkinson’s and Dementia examples) map such clinical resource/intervention-focused datasets to Clinical/Intervention rather than a basic cognitive construct. ALIGN.","decision_summary":"Top-2 candidates:\nPathology — (1) Epilepsy: supported by \"medically refractory epilepsy\" and \"patients\" with implanted intracranial electrodes; matches epilepsy few-shot convention. (2) Other: only if epilepsy were incidental, but it is explicitly the recruitment condition. Final: Epilepsy. Confidence 0.9 (multiple explicit quotes + strong few-shot analog).\nModality — (1) Other: dominant input is direct electrical brain stimulation (not an allowed modality like Visual/Auditory/Tactile/Motor/Sleep/Resting State). Supported by \"electrical stimulation\" and \"es-fMRI\". (2) Resting State: supported by \"resting state scans (pre-op)\", but not the main paradigm. Final: Other. Confidence 0.6 (contextual inference; label set lacks a direct 'stimulation' modality).\nType — (1) Clinical/Intervention: supported by \"patients\", \"medically refractory epilepsy\", and \"electrical stimulation\" protocol. (2) Resting-state: because resting scans exist, but secondary. Final: Clinical/Intervention. Confidence 0.8 (2+ explicit clinical/interventional quotes + few-shot convention match)."}},"author_year":"Thompson2024","size_human":"18.6 GB","nchans_counts":[{"val":2,"count":79},{"val":4,"count":1}]}}