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ClinicalTrials.gov public records Last synced Oct 18, 2026, 9:58 AM EDT

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Showing 289–312 of 325 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Memory testing Clear all
Completed No phase listed Observational

Postoperative Neurocognitive Disorders

NCT04244162
View directory record Official record
Conditions
Obstructive Sleep Apnea, Neurocognitive Disorders
Interventions
Brain Imaging, Cognitive testing, Blood Biomarkers
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Oct 18, 2026, 9:58 AM EDT
Completed Not applicable Interventional Results available

CPAP to Treat Cognitive Dysfunction in MS

NCT02544373
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
PAP therapy
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 70 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Oct 18, 2026, 9:58 AM EDT
Not yet recruiting No phase listed Observational

Evaluating Biomarkers of Cognitive Dysfunction in Patients With Cancer

NCT07226466
View directory record Official record
Conditions
Brain Tumor Adult, Brain Metastases From Solid Tumors, Brain Tumor, Primary, Brain Tumor
Interventions
Blood sample, Brain magnetic resonance imaging (MRI), Brain Health Assessment, Quality of Life (QoL) Questionnaire
Procedure · Radiation
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 18, 2026, 9:58 AM EDT
Enrolling by invitation Not applicable Interventional

Neuronal Mechanisms of Human Episodic Memory

NCT04500119
View directory record Official record
Conditions
Epilepsy Intractable
Interventions
Cedrus RB-844 response pad; Adtech Behnke-Fried micro-electrodes; Neurolynx electrophysiology system; Blackrock Cerestim stimulator
Behavioral
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
13 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 18, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Influence of Stress on Encoding and Prediction

NCT05920161
View directory record Official record
Conditions
Stress, Learning, Spatial
Interventions
Socially Evaluated Cold Pressor Test, Control
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Oct 18, 2026, 9:58 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Functional MRI Before and After Treatment for Depression

NCT00896441
View directory record Official record
Conditions
Depression, Mood Disorders, Depressive Disorder
Interventions
Citalopram
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 18, 2026, 9:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prevalence of HIV-associated Neurocognitive Disorders (HAND) in a School of Medicine HIV/AIDS Outpatient Clinic

NCT02187796
View directory record Official record
Conditions
HIV-ASSOCIATED NEUROCOGNITIVE DISORDER (HAND)
Interventions
Not listed
Lead sponsor
East Tennessee State University
Other
Eligibility
25 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Johnson City, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 4, 2015 · Synced Oct 18, 2026, 9:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Evaluation and Follow-up of Individuals With Memory Disorder

NCT00001480
View directory record Official record
Conditions
Alzheimer's Disease, Dementia, Healthy, Memory Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 90 Years
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2007
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 18, 2026, 9:58 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Cognitive Enhancement Therapy for Early-Stage Schizophrenia

NCT00167362
View directory record Official record
Conditions
Schizophrenia
Interventions
Cognitive enhancement therapy (CET), Enriched supportive therapy (EST)
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
16 Years to 51 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 18, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Relationship Between Down Syndrome (DS) and Alzheimer's Disease (AD)

NCT02759887
View directory record Official record
Conditions
Down Syndrome, Alzheimer's Dementia
Interventions
biospecimen collection, cognitive assessments, caregiver questionnaire, Florbetapir F18 imaging, MRI, Fludeoxyglucose F18 (FDG), Tau Pet, Actigraphy
Procedure · Other
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
21 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 29, 2019 · Synced Oct 18, 2026, 9:58 AM EDT
Completed Not applicable Interventional

Network-guided TMS in Early Alzheimer's Disease

NCT04549155
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
Duke University
Other
Eligibility
55 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 18, 2026, 9:58 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Neuroinflammation and Alzheimer's Pathology in POCD

NCT05378659
View directory record Official record
Conditions
Post-Operative Confusion, Neuroinflammatory Response, Alzheimer Disease
Interventions
Montreal Cognitive Assessment, Stroop Test, 4AT Delirium, Grooved Pegboard, NACC Cognitive Battery, ERP Testing, Blood Plasma and Serum sampling, Cerebral Spinal Fluid Sample
Behavioral · Diagnostic Test
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
60 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Oct 18, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Ketosis: Fatty Acids Activate AMPK Energy Circuits Modulating Global Methylation

NCT03319173
View directory record Official record
Conditions
Mild Cognitive Impairment, Metabolic Syndrome
Interventions
Dietary intervention
Behavioral
Lead sponsor
Bristlecone Health, Inc.
Industry
Eligibility
35 Years to 80 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Maple Grove, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 12, 2019 · Synced Oct 18, 2026, 9:58 AM EDT
Recruiting Phase 2 Interventional

Boosting Olfactory and Sensory Training Study (BOOST)

NCT07221123
View directory record Official record
Conditions
HIV (Human Immunodeficiency Virus)
Interventions
Conventional Smell Training Group, Scented Marker Group
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
40 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 18, 2026, 9:58 AM EDT
Recruiting Phase 2 Interventional

CBD for Individuals at Risk for Alzheimer's Disease

NCT05822362
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Cannabidiol, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
55 Years to 85 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 18, 2026, 9:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study to Evaluate the Performance Validity and Test-Retest Reliability of a Computer-Administered Cognitive Test Battery in Participants With Major Depressive Disorder (MDD)

NCT03014544
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Computer- administered test battery, Examiner- administered test battery
Device
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 59 Years
Enrollment
585 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
20
States / cities
Birmingham, Alabama • Anaheim, California • Beverly Hills, California + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 18, 2026, 9:58 AM EDT
Recruiting No phase listed Observational

Computer-based Neurocognitive Assessment in Children With Central Nervous System Tumors Receiving Proton Beam Radiation Therapy

NCT02559752
View directory record Official record
Conditions
Central Nervous System
Interventions
NIH Toolbox Cognitive Battery
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
4 Years to 21 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2032
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 18, 2026, 9:58 AM EDT
Active, not recruiting No phase listed Observational

Understanding the Late Effects of Surviving a Pediatric Brain Tumor

NCT03208387
View directory record Official record
Conditions
Brain Tumor, Pediatric Brain Tumor, Pediatric Cancer
Interventions
Diffusion tensor imaging (DTI), Resting state functional connectivity MRI (rs-fcMRI), Wechsler Intelligence Scale for Children - 5th edition (WISC-V), California Verbal Learning Test (CVLT-C), Beery Test of Visual Motor Integration 6th edition, Grooved Pegboard, PedsQL Multidimensional Fatigue Scale, MRI
Diagnostic Test · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
6 Years to 16 Years
Enrollment
42 participants
Timeline
2017 – 2027
U.S. locations
4
States / cities
New York, New York • Dallas, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 18, 2026, 9:58 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

EYE-TRAC Advance: Technology Verification (ETA-TV) Cohort 2

NCT02877732
View directory record Official record
Conditions
Eye-tracking
Interventions
EYE-SYNC eye-tracking, SCAT-3 subtests, DEM, Simple Reaction Time subtest of ANAM-SRT, Level of Alertnesss
Device · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 25 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
4
States / cities
Los Angeles, California • Santa Barbara, California • Corvallis, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated May 30, 2018 · Synced Oct 18, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

INSIGHT, A Comprehensive, Multidisciplinary Brain Training System

NCT02780739
View directory record Official record
Conditions
Cognitive Ability, General
Interventions
Cognitive Training - 48 sessions, Fitness, Active Control, active tDCS, sham tDCS, Cognitive Training - 20 sessions
Behavioral · Device
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 44 Years
Enrollment
521 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated May 23, 2016 · Synced Oct 18, 2026, 9:58 AM EDT
Active, not recruiting Not applicable Interventional

Improving Exercise Capacity With a Tailored Physical Activity Intervention

NCT05595577
View directory record Official record
Conditions
Non Hodgkin Lymphoma, Heart; Functional Disturbance, Hodgkin Lymphoma, Quality of Life, Stage I Breast Cancer, Stage II Breast Cancer, Stage III Breast Cancer
Interventions
Exercise with Trainerize application, Cardiopulmonary exercise testing, MRI scan, Quality of Life Questionnaires, Cognitive and Brain Function Questionnaires, Blood draws
Other · Diagnostic Test · Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 85 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 18, 2026, 9:58 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Brain Health Virtual Reality Study

NCT06124339
View directory record Official record
Conditions
Aging, Aging Problems, Memory Loss, Memory Impairment, Memory Disorders in Old Age, Memory Disorder, Spatial, Memory Disorders, Mild Cognitive Impairment, Cognitive Decline, Cognitive Change, Cognition Disorders in Old Age
Interventions
Physical Activity, Cognitive Activity (VR), Physical and Cognitive Activity
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
50 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 18, 2026, 9:58 AM EDT
Completed Not applicable Interventional Results available

Stimulation to Improve Memory

NCT03875326
View directory record Official record
Conditions
Mild Cognitive Impairment, Dementia of Alzheimer Type
Interventions
1 mA HD-tDCS, 2 mA HD-tDCS, 3 mA HD-tDCS, Sham
Device
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 18, 2026, 9:58 AM EDT
Terminated Phase 2 Interventional Results available

MemoryXL Effects on Mild Cognitive Impairment Patients

NCT00903695
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Memory XL, placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
55 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 26, 2012 · Synced Oct 18, 2026, 9:58 AM EDT