Generalization and Specificity of Visual Learning During Sleep
Brown University
10 participants
Feb 1, 2025
INTERVENTIONAL
Conditions
Summary
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.
Eligibility
Inclusion Criteria2
- - 30 years old
- Normal or corrected to normal visual acuity
Exclusion Criteria9
- 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
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Interventions
Evaluation of the effect of visual training on cortical activity during sleep
Locations(1)
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NCT07015840