NCT06965478 · Brown University
Systematic Psychophysical
(Visuallearning)
What this study is about
The purpose of this study is to investigate how our performance changes after our perceptual system is trained in a certain way ("perceptual learning"). In addition, investigators are interested in identifying and characterizing relationships between such changes and neuroimaging signals recorded from the human brain.
View original scientific description
The purpose of this study is to investigate how our performance changes after our perceptual system is trained in a certain way ("perceptual learning"). In addition, investigators are interested in identifying and characterizing relationships between such changes and neuroimaging signals recorded from the human brain.
Interventions
BEHAVIORAL
Visual Training
Participants are asked to detect or discriminate visual stimuli.
Primary outcome measures
Behavioral measure
Time frame: From enrollment to the end of treatment at 2 weeks.
Changes in rates of correct detection or discrimination in behavioral visual tasks after training are measured.
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- Ages 18 - 60,
- Normal or corrected-to-normal vision
Exclusion criteria
- Eye disorders (cataracts, age related macular degeneration, diabetic retinopathy, glaucoma)
- Drug use (psychoactive drugs, neuroleptic medications, prescription medications that might affect cognitive and motor performance)
- Sleep disorders (sleep apnea, insomnia)
- Magnetically or mechanically activated implants (such as cardiac pacemakers)
- clips on blood vessels in the brain
- intrauterine devices
Where
- Providence, Rhode Island
Collaborators
National Eye Institute (NEI)
Related conditions & keywords
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Nov 19, 2025 · Source of record for eligibility and locations