WHO:	Josh Gold , University of Pennsylvania
TOPIC:	Mechanisms of learning a visual discrimination
ABSTRACT:	It has been recognized for over 100 years that training can cause long-lasting improvements in the ability to detect, discriminate, or identify sensory stimuli. The prevalence of this phenomenon, called perceptual learning, implies that plasticity is a central feature of normally functioning cortex, even in adults. However, our understanding of the plasticity that underlies perceptual learning is incomplete, especially for vision. My talk will describe recent behavioral, physiological, and computational studies from my laboratory indicating that at least some forms of visual perceptual learning involve changes in how information is read out from sensory cortex to form decisions that guide behavior.
WHEN:	11/16/2009 12:00:00 PM
WHERE:	Meliora 269

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