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Title page for ETD etd-07082004-214927

Type of Document Dissertation
Author Tadin, Duje
Author's Email Address duje.tadin@vanderbilt.edu
URN etd-07082004-214927
Title Center-Surround Interactions in Visual Motion Processing
Degree PhD
Department Psychology
Advisory Committee
Advisor Name Title
Professor Joseph S. Lappin Committee Chair
Professor A. B. Bonds III Committee Member
Professor Jeffrey D. Schall Committee Member
Professor Randolph Blake Committee Member
  • surround-suppression
  • motion perception
  • center-surround interactions
  • area MT
  • vision
Date of Defense 2004-06-23
Availability unrestricted
This dissertation describes a series of psychophysical investigations of center-surround interactions in visual motion processing. Relying on a variety of experimental methods, the studies in this dissertation demonstrate that center-surround interactions play an important role in human motion perception. Such interactions are characterized by surround suppression at high contrast and spatial summation at low contract. I propose that these results are a perceptual correlate of center-surround interactions in the cortical area MT and provide experimental evidence that supports this link between human perception and neurophysiology.
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