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Eyal Seidemann, Ph.D.
Associate Professor

Email: eyal@mail.cps.utexas.edu or seidemann@psy.utexas.edu Phone: (512) 232-6052 Office: SEA 4.204 Center for Perceptual Systems See also Perceptual Systems

Eyal Seidemann received his Ph.D. in Neuroscience from Stanford University. He studies the cortical mechanisms that mediate visual perception and visually guided behavior. In his own words: the central goal of my research is to understand how perceptual events and motor plans are represented and processed in the primate cerebral cortex. To address these questions, we employ a novel combination of optical imaging and electrophysiological techniques in awake, behaving primates. Our ability to record optically from the cortex of alert animals puts us in a unique position; it allows us to directly visualize cortical activity in real-time, while subjects perform demanding perceptual or motor tasks. We then build computational models that attempt to explain how the measured neural activity could lead to the observed behavior. Finally, we test the predictions of these quantitative models by measuring how perceptual judgments or motor plans change following selective manipulations of the neural response using electrical microstimulation or pharmacological microinjections.

Courses

Psychology 394U - Topics in vision and hearing
Psychology 394U - Topics in systems neuroscience
Bio365R - Vertebrate physiology I (Introduction to neurobiology)

Selected Publications

Dynamics of depolarization and hyperpolarization in the frontal cortex and saccade goal. E. Seidemann, A. Arieli, A. Grinvald, H. Slovin. Science 2002 Feb 1;295(5556):862-5.

Color signals in area MT of the macaque monkey. E. Seidemann, A. B. Poirson, B. A. Wandell, W.T. Newsome. Neuron. 1999 Dec;24(4):911-7.

Motion opponency in visual cortex. D.J. Heeger, G.M. Boynton, J.B. Demb, E. Seidemann, W.T.Newsome. J Neurosci. 1999 Aug 15;19(16):7162-74.

Effect of spatial attention on the responses of area MT neurons. E. Seidemann, W.T. Newsome. J Neurophysiol. 1999 Apr;81(4):1783-94. Temporal gating of neural signals during performance of a visual Discrimination task. E. Seidemann, E. Zohary, W.T. Newsome. Nature. 1998 Jul 2;394(6688):72-5.

Simultaneously recorded single units in the frontal cortex go through sequences of Discrete and stable states in monkeys performing a delayed localization task. E. Seidemann, H. Bergman, E. Vaadia M. Abeles. J Neurosci. 1996 Jan 15;16(2):752-68.