{"success":true,"database":"eegdash","data":{"_id":"6953f4249276ef1ee07a3398","dataset_id":"ds004854","associated_paper_doi":null,"authors":["Tony Johnson","Stephen Gordon","Jon Touryan","Kevin King"],"bids_version":"1.8.0","contact_info":null,"contributing_labs":null,"data_processed":false,"dataset_doi":"doi:10.18112/openneuro.ds004854.v1.0.0","datatypes":["eeg"],"demographics":{"subjects_count":1,"ages":[],"age_min":null,"age_max":null,"age_mean":null,"species":null,"sex_distribution":null,"handedness_distribution":null},"experimental_modalities":null,"external_links":{"source_url":"https://openneuro.org/datasets/ds004854","osf_url":null,"github_url":null,"paper_url":null},"funding":[],"ingestion_fingerprint":"0682ea8c38c10dce9376665c56f9a6c031cabeb6ebd738e958512d0283cc65e4","license":"CC0","n_contributing_labs":null,"name":"TX18","readme":"TX18 dataset\nThis is a placeholder dataset.","recording_modality":["eeg"],"senior_author":null,"sessions":[],"size_bytes":83153533,"source":"openneuro","study_design":null,"study_domain":null,"tasks":["nback"],"timestamps":{"digested_at":"2026-05-31T16:16:21.435076+00:00","dataset_created_at":null,"dataset_modified_at":null},"total_files":1,"storage":{"backend":"s3","base":"s3://openneuro.org/ds004854","raw_key":"dataset_description.json","dep_keys":["CHANGES","README","participants.tsv","task-nback_events.json"]},"tagger_meta":{"model":"openai/gpt-4o","tagged_at":"2026-06-10T08:19:41Z","source":"eegdash-llm-tagger"},"tags":{"pathology":["Healthy"],"modality":["Unknown"],"type":["Memory"],"confidence":{"pathology":0.7,"modality":0.5,"type":0.8},"reasoning":{"few_shot_analysis":"The few-shot example labeled as 'Other' for pathology and 'Perception' for type involved Braille letter representations in visually deprived individuals, i.e., the study of non-standard populations for unique neural processing. Another example identified 'Decision-making' when n-back tasks were involving cognitive control with specific pathologies like Parkinson's. These examples guide conventions that unusual populations or unique cognitive tasks influence labeling where explicit pathology is unclear.","metadata_analysis":"The dataset titled 'TX18' provides 'nback' as the task listed in the tasks metadata field. However, there is no direct indication of any clinical population or sensory stimuli mentioned, suggesting potential healthy participants or a lack of specific demographic targeting.","paper_abstract_analysis":"No useful paper information as there is a placeholder dataset description with no abstract provided.","evidence_alignment_check":"1. Pathology: Metadata does not indicate any specific clinical population as it only contains a placeholder. Thus, aligning with few-shot examples suggesting healthy populations when no pathology is mentioned, 'Healthy' is assumed. 2. Modality: Few-shot examples often use n-back in contexts involving visual stimuli, but without direct stimuli information, modality remains unclear. 3. Type: N-back tasks, as seen, are frequently associated with cognitive processes requiring memory, leading to a 'Memory' assumption.","decision_summary":"Given the lack of specific population pathology or detailed metadata, assumptions derived from task type and few-shot patterns are employed. Healthy for pathology based on no evidence of clinical recruitment. Unknown for modality due to absence of sensory channel data. Type determined by n-back task's correlation with memory tasks; thus, labeled as 'Memory'. Confidence lowered by lack of direct metadata on each category."}},"nemar_citation_count":0,"computed_title":"TX18","nchans_counts":[{"val":64,"count":1}],"sfreq_counts":[{"val":128.0,"count":1}],"stats_computed_at":"2026-05-31T19:34:32.600103+00:00","total_duration_s":1926.1796875,"canonical_name":null,"name_confidence":0.95,"name_meta":{"suggested_at":"2026-04-14T10:18:35.343Z","model":"openai/gpt-5.2 + openai/gpt-5.4-mini + deterministic_fallback"},"name_source":"canonical","author_year":"Johnson2023_TX18","bad_channels_info":null,"references_and_links":[""]}}