{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cognitive+task", "query": { "intervention": "cognitive task" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 398, "total_pages": 40, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cognitive+task&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-03T13:25:08.234Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT05929898", "title": "MRI Neurofeedback and Brain Circuits Related to Motivation in Healthy Participants", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Motivation", "Memory", "Self-regulation" ], "interventions": [ { "name": "Ventral tegmental area of dopaminergic midbrain (VTA) fMRI neurofeedback", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 190, "start_date": "2023-07-30", "completion_date": "2026-09-09", "has_results": false, "last_update_posted_date": "2026-07-10", "last_synced_at": "2026-09-03T13:25:08.234Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT05929898" }, { "nct_id": "NCT01343810", "title": "Stress Reduction Training to Improve Sleep Quality, Stress Physiology & Cardiovascular Disease (CVD) Risk Markers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Stress, Psychological", "Sleep", "Inflammation", "Cardiovascular Diseases" ], "interventions": [ { "name": "Mindfulness-Based Stress Reduction (MBSR)", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 87, "start_date": "2010-09", "completion_date": "2013-10", "has_results": false, "last_update_posted_date": "2014-03-10", "last_synced_at": "2026-09-03T13:25:08.234Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT01343810" }, { "nct_id": "NCT03828734", "title": "Modulation of Cognitive Control Signals in Prefrontal Cortex by Rhythmic Transcranial Magnetic Stimulation", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Executive Function" ], "interventions": [ { "name": "Theta TMS", "type": "DEVICE" }, { "name": "Alpha TMS", "type": "DEVICE" }, { "name": "Arrhythmic TMS", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of North Carolina, Chapel Hill", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "35 Years", "sex": "ALL", "summary": "18 Years to 35 Years" }, "enrollment_count": 58, "start_date": "2019-02-13", "completion_date": "2019-11-22", "has_results": true, "last_update_posted_date": "2020-11-19", "last_synced_at": "2026-09-03T13:25:08.234Z", "location_count": 1, "location_summary": "Chapel Hill, North Carolina", "locations": [ { "city": "Chapel Hill", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT03828734" }, { "nct_id": "NCT06080932", "title": "Ketogenic Intervention in Depression", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Depression", "Ketosis" ], "interventions": [ { "name": "Ketogenic Diet", "type": "OTHER" }, { "name": "NIH Toolbox", "type": "OTHER" }, { "name": "gradCPT", "type": "OTHER" }, { "name": "Resting-state fMRI", "type": "OTHER" }, { "name": "Task-fMRI", "type": "OTHER" }, { "name": "CGM/CKM", "type": "OTHER" }, { "name": "Blood Draw", "type": "BIOLOGICAL" }, { "name": "Sleep Monitoring", "type": "OTHER" }, { "name": "Ketone/Glucose Monitoring", "type": "BIOLOGICAL" }, { "name": "Body Composition", "type": "OTHER" }, { "name": "PHQ-9", "type": "BEHAVIORAL" }, { "name": "WHO-5", "type": "BEHAVIORAL" }, { "name": "SKID", "type": "BEHAVIORAL" } ], "intervention_types": [ "OTHER", "BIOLOGICAL", "BEHAVIORAL" ], "sponsor": "Ohio State University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "30 Years", "sex": "ALL", "summary": "18 Years to 30 Years" }, "enrollment_count": 30, "start_date": "2023-02-20", "completion_date": "2024-12-21", "has_results": false, "last_update_posted_date": "2025-05-29", "last_synced_at": "2026-09-03T13:25:08.234Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT06080932" }, { "nct_id": "NCT04105530", "title": "Transcranial Direct Current Stimulation of the Temporal Cortex in Survivors of Childhood Acute Lymphoblastic Leukemia (ALL)", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Acute Lymphoblastic Leukemia", "Transcranial Direct Current Stimulation", "Executive Dysfunction" ], "interventions": [ { "name": "Anodal tDCS treatment", "type": "DEVICE" }, { "name": "Cathodal tDCS treatment", "type": "DEVICE" }, { "name": "Sham treatment", "type": "DEVICE" }, { "name": "NIH Toolbox List Sorting Working Memory Test", "type": "OTHER" }, { "name": "NIH Toolbox Flanker Inhibitory Control and Attention Test", "type": "OTHER" }, { "name": "Grooved Peg Board Test", "type": "OTHER" }, { "name": "Buschke Selective Reminding Test", "type": "OTHER" } ], "intervention_types": [ "DEVICE", "OTHER" ], "sponsor": "St. Jude Children's Research Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "8 Years", "maximum_age": "215 Months", "sex": "ALL", "summary": "8 Years to 215 Months" }, "enrollment_count": 36, "start_date": "2019-11-18", "completion_date": "2024-09", "has_results": false, "last_update_posted_date": "2024-01-12", "last_synced_at": "2026-09-03T13:25:08.234Z", "location_count": 1, "location_summary": "Memphis, Tennessee", "locations": [ { "city": "Memphis", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT04105530" }, { "nct_id": "NCT05480124", "title": "Bipolar Transcranial Alternating Current Stimulation (tACS)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Bipolar Disorder" ], "interventions": [ { "name": "tACS brain stimulation treatment", "type": "DEVICE" }, { "name": "Sham stimulation treatment", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of Michigan", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "18 Years to 55 Years" }, "enrollment_count": 18, "start_date": "2023-04-20", "completion_date": "2024-01-06", "has_results": true, "last_update_posted_date": "2025-01-14", "last_synced_at": "2026-09-03T13:25:08.234Z", "location_count": 1, "location_summary": "Ann Arbor, Michigan", "locations": [ { "city": "Ann Arbor", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT05480124" }, { "nct_id": "NCT02038075", "title": "Brief Cognitive Behavioral Therapy for Military Populations", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Suicide", "Suicidal Ideation" ], "interventions": [ { "name": "Brief Cognitive Behavioral Therapy (BCBT)", "type": "BEHAVIORAL" }, { "name": "Treatment As Usual (TAU)", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of Utah", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 152, "start_date": "2011-01", "completion_date": "2014-09", "has_results": true, "last_update_posted_date": "2023-12-12", "last_synced_at": "2026-09-03T13:25:08.234Z", "location_count": 1, "location_summary": "Colorado Springs, Colorado", "locations": [ { "city": "Colorado Springs", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT02038075" }, { "nct_id": "NCT04420767", "title": "The Effect of Brain Stimulation (tDCS) in Food Cravings Control in Overweight/Obese Women", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obesity" ], "interventions": [ { "name": "tDCS", "type": "DEVICE" }, { "name": "Sham brain stimulation", "type": "DEVICE" }, { "name": "Go-No GO task", "type": "BEHAVIORAL" } ], "intervention_types": [ "DEVICE", "BEHAVIORAL" ], "sponsor": "University of California, Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "40 Years", "sex": "FEMALE", "summary": "18 Years to 40 Years · Female only" }, "enrollment_count": 30, "start_date": "2017-01-04", "completion_date": "2021-12-31", "has_results": false, "last_update_posted_date": "2020-06-09", "last_synced_at": "2026-09-03T13:25:08.234Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04420767" }, { "nct_id": "NCT03800030", "title": "Effect of Cross Frequency tACS on Cognitive Control", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Cognitive Control", "Executive Function" ], "interventions": [ { "name": "Theta-gamma tACS", "type": "DEVICE" }, { "name": "Delta-beta tACS", "type": "DEVICE" }, { "name": "Sham tACS", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of North Carolina, Chapel Hill", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "35 Years", "sex": "ALL", "summary": "18 Years to 35 Years" }, "enrollment_count": 26, "start_date": "2018-10-07", "completion_date": "2019-07-25", "has_results": true, "last_update_posted_date": "2020-05-18", "last_synced_at": "2026-09-03T13:25:08.234Z", "location_count": 1, "location_summary": "Chapel Hill, North Carolina", "locations": [ { "city": "Chapel Hill", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT03800030" }, { "nct_id": "NCT02488031", "title": "Functional and Structural Imaging and Motor Control in Spinocerebellar Ataxia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Spinocerebellar Ataxia" ], "interventions": [ { "name": "Error-reduction", "type": "BEHAVIORAL" }, { "name": "International Cooperative Ataxia Rating Scale", "type": "BEHAVIORAL" }, { "name": "Scale for the Assessment and Rating of Ataxia", "type": "BEHAVIORAL" }, { "name": "Beck Depression Inventory, 2nd Ed", "type": "BEHAVIORAL" }, { "name": "Stroop", "type": "BEHAVIORAL" }, { "name": "Purdue Pegboard", "type": "BEHAVIORAL" }, { "name": "Brief Test of Attention", "type": "BEHAVIORAL" }, { "name": "6-minute Walk", "type": "BEHAVIORAL" }, { "name": "Hand Grip Dynamometer", "type": "BEHAVIORAL" }, { "name": "Montreal Cognitive Assessment", "type": "BEHAVIORAL" }, { "name": "Physical Performance Function", "type": "BEHAVIORAL" }, { "name": "Biomechanical Assessments of Dysmetria", "type": "BEHAVIORAL" }, { "name": "Neurophysiological assessment of brain activity", "type": "BEHAVIORAL" }, { "name": "Biomechanical gait analysis", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of Florida", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "21 Years to 85 Years" }, "enrollment_count": 19, "start_date": "2016-03", "completion_date": "2019-01-17", "has_results": false, "last_update_posted_date": "2019-05-13", "last_synced_at": "2026-09-03T13:25:08.234Z", "location_count": 1, "location_summary": "Gainesville, Florida", "locations": [ { "city": "Gainesville", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT02488031" } ] }