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Effect of depth information on a bistable spiral-motion aftereffect
1Department of Psychology, Simon Fraser University, Burnaby, British Columbia, Canada.
Perception
|January 1, 1993
Abstract:
Two types of spiral-motion aftereffects were elicited by a single pattern: subjects reported seeing the pattern expand in the two-dimensional viewing plane or bulge toward them in three-dimensional space. Under binocular-viewing conditions reports of two-dimensional translations predominated. But when depth information was restricted under monocular-viewing conditions, reports of three-dimensional translations were more frequent. It appears that the bistability of these aftereffects can be influenced by the degree of depth information available about a stimulus pattern.