Brown University
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, we are interested in identifying and characterizing relationships between such changes and neuroimaging signals recorded from the human brain.
This is a resubmission of the competitive renewal of the ongoing R01 grant. Visual perceptual learning (VPL) is an important tool that can be used to better understand visual plasticity. The long-term goal is to comprehensively understand the mechanisms of VPL and their underlying plasticity, which may provide important information for the development of training and rehabilitation tools and programs for improving and restoring damaged, declining or degraded vision. This proposal aims to examine the roles of global processing, such as reward and arousal, in the specificity of VPL, which is one…
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 * dentures * pregnancy
Participants are asked to detect or discriminate visual stimuli.
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