Generalization and Specificity of Visual Learning During Sleep

Completed · Not applicable

Conditions studied: Visual Learning, Healthy Volunteers

In brief

A growing body of evidence suggests that sleep facilitates and is beneficial to perceptual learning. However, the underlying mechanism of this facilitatory action is largely unknown. One must know what type of processing occurs during sleep to clarify the mechanism of sleep facilitating perceptual learning. For this purpose, investigators will obtain highly localized spatio-temporal information about brain activation during sleep using magnetic resonance imaging (MRI) and polysomnography (PSG) measurement.

Key facts

Study ID

NCT07015840

Run by

Brown University

People needed

12

Starts

2025-02-01

Expected to finish

2026-06-30

Last updated by the study team

2026-07-27

Who can join

Age: 18 and older, up to 30. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 18 - 30 years old
• Normal or corrected to normal visual acuity

You may not qualify if…

• Self-report of visual and 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)
• History of sleep disorders (sleep apnea, insomnia)
• Failure to meet the criteria on the visual acuity test
• Magnetically or mechanically activated implants (such as cardiac pacemakers)
• Clips on blood vessels in the brain
• Use of any type of intrauterine devices
• Use of dentures
• Pregnancy

Where it is running

• Brown University — Providence, Rhode Island, United States

Full record on ClinicalTrials.gov

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