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A Different View of the Primary Visual Cortex
Monday, March 14, 2005,
12:00:00 PM Time displayed is Eastern Time, Washington DC Local
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Robert Shapley obtained his PhD in Biophysics at Rockefeller University and is the Natalie Clews Spencer Professor of the Sciences at NYU. He is a visual neuroscientist who has received many honors, including a highly prestigious MacArthur Foundation Fellowship in 1986. He records single unit activity at various stages of the (mostly) mammalian visual system and is well known for his use of theoretical models to guide quantitative studies of diverse topics such as contrast sensitivity, receptive field structure in the retina, LGN and cortex, the neuronal responses to illusory contours, and orientation selectivity. He has been a pioneer in the use of linear and non-linear analytical techniques, and his recent innovations include the use of reverse correlation to probe the dynamics of orientation tuning in striate cortex, and a new theoretical framework to measure the ability of cortical cells to perform orientation discriminations.