December 2022
Volume 22, Issue 14
Open Access
Vision Sciences Society Annual Meeting Abstract  |   December 2022
Inhibitory Competition in Figure assignment: Insights from brain and behavior
Author Affiliations
  • Mary A. Peterson
    University of Arizona
Journal of Vision December 2022, Vol.22, 3187. doi:
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      Mary A. Peterson; Inhibitory Competition in Figure assignment: Insights from brain and behavior. Journal of Vision 2022;22(14):3187.

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      © ARVO (1962-2015); The Authors (2016-present)

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Behavioral and neural evidence indicates that the organization of the visual field into figures (i.e., objects) and their local grounds is not a simple, early, stage of processing, as traditional theories supposed. Instead, figure/object detection entails competition between different interpretations that might be seen. In the first part of my talk, I will discuss behavioral evidence that multiple interpretations compete in the classic demonstration that convexity is a figural prior. In the second part, I will present neural evidence of suppression in the BOLD response to the groundside of objects when a portion of a familiar configuration was suggested there but lost the competition for perception. These results begin to elucidate the complex interactions between local and global, high- and low-level factors involved in perceptually organizing the visual field into objects and backgrounds.


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