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Showing 1–24 of 61 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Reaction Time Clear all
Terminated No phase listed Observational Accepts healthy volunteers

Visual Motor Coordination

NCT00568243
View directory record Official record
Conditions
Healthy Volunteer, Neurodegenerative Diseases
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Theanine and Caffeine on Neurophysiology of Attention

NCT02770105
View directory record Official record
Conditions
L-theanine
Interventions
Theanine, Caffeine, Theanine-Caffeine Combination, Placebo
Other
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Sep 1, 2016 · Synced Jul 21, 2026, 4:43 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of an Exercise Program on Reaction Time and Mouse Accuracy in Recreational Video Game Players

NCT06512675
View directory record Official record
Conditions
Quality of Life
Interventions
Resistance combined with cardiovascular training
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Neurocognitive Visual Reaction Training

NCT01972581
View directory record Official record
Conditions
Reaction Time
Interventions
Reaction Time Training
Other
Lead sponsor
High Point University
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of a Zeaxanthin Intervention on Visuomotor Function

NCT02017418
View directory record Official record
Conditions
Behavior and Behavior Mechanisms
Interventions
zeaxanthin, combinatory supplement
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 40 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated May 26, 2015 · Synced Jul 21, 2026, 4:43 PM EDT
Not yet recruiting Not applicable Interventional

Postural Motor Activation Deficits After mTBI; Translating Laboratory Findings to Clinical Care

NCT07549529
View directory record Official record
Conditions
Mild Traumatic Brain Injury (mTBI), Concussion, Mild Traumatic Brain Injury
Interventions
Motor Activation Physical Therapy for mTBI, Standard of Care Physical Therapy for mTBI
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 60 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
Portland, Oregon • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Exercise on Acute Nicotine Withdrawal

NCT01047930
View directory record Official record
Conditions
Nicotine Dependence, Smoking, Sleep Disorders, Intrinsic
Interventions
Exercise
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 45 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 1, 2014 · Synced Jul 21, 2026, 4:43 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

tFUS to Enhance Alertness and Performance

NCT06461221
View directory record Official record
Conditions
Reaction Time, Alertness
Interventions
Transcranial Focused Ultrasound
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
22 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Jul 21, 2026, 4:43 PM EDT
Withdrawn Phase 4 Interventional

Can Additional Drug Therapy Accelerate Response Time to Antidepressants

NCT00221494
View directory record Official record
Conditions
Depression
Interventions
citalopram + tiodothyronine, or + pindolol, or + placebo
Drug
Lead sponsor
Mark Frye
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 31, 2015 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional

mHealth Behavior Study

NCT06624514
View directory record Official record
Conditions
Alcohol Consumption, Condom Use
Interventions
Training Group, Sham Training Group
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Tyrosol and Creatine on Endurance, Strength, and Fatigue Resistance in Healthy Adults

NCT06883292
View directory record Official record
Conditions
Tyrosol, Creatine, Endurance Performance, Cognition
Interventions
Tyrosol, Creatine, Resistant Dextrin
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute Effects of Onnit Alpha Brain on Cognition and Mood States

NCT07495592
View directory record Official record
Conditions
Cognitive, Mood and Cognitive Performance, Sleep Deprivation, Executive Function (Cognition), Fatigue
Interventions
Alpha Brain proprietary cognitive dietary supplement, Alpha Brain 2.0 proprietary cognitive dietary supplement, Controlled Placebo
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
20 Years to 59 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 21, 2026, 4:43 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Surround Inhibition in Patients With Dystonia

NCT00029601
View directory record Official record
Conditions
Dystonic Disorders, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Overpractice Improve Motor Learning?

NCT02898701
View directory record Official record
Conditions
Aging
Interventions
Motor Practice of a Standing Serial Reaction Time Task
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 95 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Jul 21, 2026, 4:43 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

FITLIGHT Reliability and Acute Training Effects

NCT06748417
View directory record Official record
Conditions
Athletic Injuries
Interventions
Acute Cognitive Training, Non-stimulating Rest
Device · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 25 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Jul 21, 2026, 4:43 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Transcranial Magnetic Stimulation on Free Will

NCT00029653
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional

The Effect of a Reduced Noise Environment on the Response Time of the Anesthesia Provider

NCT03507855
View directory record Official record
Conditions
Noise Exposure
Interventions
Reduced noise, Normal
Other
Lead sponsor
Joshua Uffman
Other
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced Jul 21, 2026, 4:43 PM EDT
Completed No phase listed Observational

Review of Molecular Profiling-Real Time Polymerase Chain Reaction (Rt-Pcr) in Unknown Primary Cancer

NCT00876408
View directory record Official record
Conditions
Unknown Primary Cancer
Interventions
Not listed
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 3, 2013 · Synced Jul 21, 2026, 4:43 PM EDT
Completed No phase listed Observational

Brain Changes Associated With Learning a Motor Task

NCT00076466
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 40 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Chiropractic Activator Adjustments on Mental Rotation and Line Judgment Reaction Time

NCT02749266
View directory record Official record
Conditions
Cognition - Other
Interventions
Chiropractic adjustment, Sham chiropractic adjustment
Other
Lead sponsor
Life University
Other
Eligibility
18 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Marietta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 21, 2016 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional Results available

Multiplexing Prism Fitting for Field Expansion of Monocular Vision

NCT06027216
View directory record Official record
Conditions
One Eye Blindness, Blind Left Eye, Blind Right Eye
Interventions
Multiplexing Prism
Device
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
16 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Jul 21, 2026, 4:43 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Adding Neurocognitive Component to Balance Test

NCT06827483
View directory record Official record
Conditions
Anterior Cruciate Ligament Injuries
Interventions
Neurocognitive Component
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 25 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Jul 21, 2026, 4:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Balance and Anti-Epileptic Drugs

NCT03338478
View directory record Official record
Conditions
Epilepsy
Interventions
Wii Balance Board
Diagnostic Test
Lead sponsor
Erik J. Kobylarz
Other
Eligibility
16 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 5, 2018 · Synced Jul 21, 2026, 4:43 PM EDT
Completed No phase listed Observational

Post COVID-19 Vaccination Analysis in Healthcare Worker Recipients

NCT04922944
View directory record Official record
Conditions
Covid19, Vaccine Reaction
Interventions
COVID-19 vaccine
Drug
Lead sponsor
Huntington Memorial Hospital
Other
Eligibility
Not listed
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 21, 2026, 4:43 PM EDT