Mechanisms of Human Motion Perception Revealed by a New Cyclopean Illusion

Overview

Journal Science

Specialty Science

Date 1986 Apr 4

PMID 3952502

Citations 16

Authors

M Shadlen

T Carney

Affiliations

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Abstract

A new cyclopean illusion of motion may bear on neural mechanisms of direction selectivity. Stationary flickering patterns were presented to each eye, and the resulting fused pattern was perceived to be moving. To determine direction of motion, the visual system seems to integrate image components differing by 90 degrees in spatial and temporal phase. On the other hand, image speed seems to be derived from displacement of features over time. A model of neural direction selectivity is discussed in light of these results.

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