A functional explanation for the effects of visual exposure on preference
Related Experiment Video
Updated: Jun 27, 2026

Visualizing Visual Adaptation
Published on: April 24, 2017
Mark A Changizi1, Shinsuke Shimojo
1Sloan-Swartz Center for Theoretical Neurobiology, MC 139-74, California Institute of Technology, Pasadena, CA 91125, USA. changizi@rpi.edu
Abstract:
Visual exposure to an object can modulate an observer's degree of preference for it, initially enhancing preference (a 'familiarity preference' regime), and eventually lowering it again (a 'novelty preference' regime). Here we investigate whether there may be a functional advantage to modulating preference in this way. We put forth the simple hypothesis that degree of preference for an object of type X is the brain's estimate of the expected utility of acting to obtain X. In the light of this view of what preferences fundamentally represent, we are able to explain the 'exposure effect' and many of the connected phenomena.
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