{"success":true,"database":"eegdash","data":{"_id":"6953f4239276ef1ee07a32c3","dataset_id":"ds003352","associated_paper_doi":null,"authors":["Katherine Hermann","Isabelle Rosenthal","Shridhar R. Singh","Dimitrios Pantazis","Bevil R. Conway"],"bids_version":"1.2.2","contact_info":["Conway Lab"],"contributing_labs":null,"data_processed":false,"dataset_doi":"10.18112/openneuro.ds003352.v1.0.0","datatypes":["meg"],"demographics":{"subjects_count":18,"ages":[17,17,17,17,17,26,26,18,18,18,17,18,17,17,17,17,17,17],"age_min":17,"age_max":26,"age_mean":18.22222222222222,"species":null,"sex_distribution":{"m":18},"handedness_distribution":{"r":18}},"experimental_modalities":null,"external_links":{"source_url":"https://openneuro.org/datasets/ds003352","osf_url":null,"github_url":null,"paper_url":null},"funding":[],"ingestion_fingerprint":"c62f865a333acec393597aa84d1acd205d93c32f43955628e50a9c724913b70c","license":"CC0","n_contributing_labs":null,"name":" ","readme":"Stimuli include eight different square wave spiral gratings subtending 10 degrees of visual angle as well as the color words \"blue\" and \"green.\" The color words appeared as white on a gray background. Each stimulus appeared on the screen for 116 ms. The triggers or event ID's of each stimulus are as follows:\n1 - Light Pink Spiral\n2 - Dark Pink Spiral\n3 - Light Blue Spiral\n4 - Dark Blue Spiral\n5 - Light Green Spiral\n6 - Dark Green Spiral\n7 - Light Orange Spiral\n8 - Dark Orange Spiral\n9 - \"green\"\n10 - \"blue\"","recording_modality":["meg"],"senior_author":"Bevil R. Conway","sessions":["01","02"],"size_bytes":230092820068,"source":"openneuro","study_design":null,"study_domain":null,"tasks":["ColorSpirals"],"timestamps":{"digested_at":"2026-04-22T12:25:31.515903+00:00","dataset_created_at":"2020-11-03T20:36:34.212Z","dataset_modified_at":"2020-11-04T00:43:56.000Z"},"total_files":138,"storage":{"backend":"s3","base":"s3://openneuro.org/ds003352","raw_key":"dataset_description.json","dep_keys":["CHANGES","README","participants.json","participants.tsv"]},"tagger_meta":{"config_hash":"3557b68bca409f28","metadata_hash":"81538b7265b92f4d","model":"openai/gpt-5.2","tagged_at":"2026-04-07T09:32:40.872789+00:00"},"tags":{"pathology":["Healthy"],"modality":["Visual"],"type":["Perception"],"confidence":{"pathology":0.7,"modality":0.85,"type":0.75},"reasoning":{"few_shot_analysis":"Most similar few-shot conventions: (1) The schizophrenia visual discrimination dataset (Meta-rdk) shows that when the metadata describes visual stimuli and perceptual judgments, the catalog uses Modality=Visual and Type=Perception. While the current dataset does not mention schizophrenia, it similarly consists of brief visual stimulus presentations (spiral gratings/words) intended to evoke visual responses. (2) The motor imagery and reinforcement-learning examples help by contrast: here there is no motor/learning focus described, only visual stimulus categories and event IDs, which matches the Perception-style labeling rather than Motor/Learning/Decision-making.","metadata_analysis":"Key metadata facts from the dataset:\n- Visual stimuli are explicitly described: \"Stimuli include eight different square wave spiral gratings ... as well as the color words \\\"blue\\\" and \\\"green.\\\"\"\n- Visual presentation details: \"Each stimulus appeared on the screen for 116 ms.\"\n- Visual event categories/triggers: \"1 - Light Pink Spiral ... 9 - \\\"green\\\" 10 - \\\"blue\\\"\"\n- No clinical recruitment: participants are described only demographically: \"Subjects: 18; Sex: {'m': 18}; Age range: 17-26\" (no diagnosis terms).","paper_abstract_analysis":"No useful paper information.","evidence_alignment_check":"Pathology:\n- Metadata says: only demographics (e.g., \"Subjects: 18... Age range: 17-26\"), with no disorder/diagnosis mentioned.\n- Few-shot pattern suggests: when no clinical population is named, label as Healthy.\n- Alignment: ALIGN.\n\nModality:\n- Metadata says: \"Stimuli include ... spiral gratings ...\" and \"color words ... appeared on the screen\" (visual screen presentation).\n- Few-shot pattern suggests: screen-presented stimuli (dots, gratings, words) -> Visual.\n- Alignment: ALIGN.\n\nType:\n- Metadata says: the dataset is organized around different visual stimulus classes and their trigger IDs (spiral gratings/colors/words), with no mention of learning/reward/memory/motor control; e.g., \"Each stimulus appeared on the screen for 116 ms\" and enumerated stimulus conditions.\n- Few-shot pattern suggests: sensory stimulus-response studies centered on stimulus properties -> Perception.\n- Alignment: ALIGN.","decision_summary":"Top-2 candidate selections:\n\nPathology:\n1) Healthy (selected): Supported by lack of any diagnosis and purely demographic description: \"Subjects: 18... Age range: 17-26\".\n2) Unknown (runner-up): Would apply if participant health status were not inferable, but the absence of any clinical framing plus typical experimental demographics favors Healthy.\nAlignment status: aligns with few-shot convention (no clinical recruitment -> Healthy).\nConfidence justification: single clear metadata indication (no pathology terms) but not an explicit statement like \"healthy\".\n\nModality:\n1) Visual (selected): Explicit screen-based visual stimuli: \"spiral gratings\" and \"color words ... appeared on the screen\"; brief presentation: \"appeared on the screen for 116 ms\".\n2) Other (runner-up): Only if stimuli were not clearly sensory-typed, but they are explicitly visual.\nAlignment status: aligns with few-shot convention (screen stimuli -> Visual).\nConfidence justification: 2+ explicit quotes describing visual stimuli/presentation.\n\nType:\n1) Perception (selected): Paradigm centers on presenting visual stimulus categories (colored spirals/words) with condition IDs; e.g., \"Stimuli include... spiral gratings\" and the enumerated triggers \"Light Pink Spiral...\" plus \"green/blue\".\n2) Attention (runner-up): Brief (116 ms) stimuli could be used in attentional paradigms, but metadata does not mention attention instructions, targets, oddball structure, or cueing.\nAlignment status: aligns with few-shot convention (stimulus-driven sensory study -> Perception).\nConfidence justification: strong stimulus-centric description but no explicit statement of the cognitive aim (e.g., 'color perception'); thus moderate-high confidence."}},"nemar_citation_count":4,"computed_title":"1 - Light Pink Spiral","nchans_counts":[{"val":323,"count":138}],"sfreq_counts":[{"val":1000.0,"count":138}],"stats_computed_at":"2026-04-22T23:16:00.221999+00:00","total_duration_s":188309.862,"canonical_name":null,"name_confidence":0.84,"name_meta":{"suggested_at":"2026-04-14T10:18:35.342Z","model":"openai/gpt-5.2 + openai/gpt-5.4-mini + deterministic_fallback"},"name_source":"author_year","author_year":"Hermann2020"}}