Reports

A multistable movement display: evidence for two separate motion systems in human vision

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Science  06 Aug 1976:
Vol. 193, Issue 4252, pp. 500-502
DOI: 10.1126/science.941023

Abstract

Two competing sensations of apparent movement were produced by the rapid alternation of two multielement stimulus frames. Either sensation could be made dominant by, appropriate manipulations of the stimulus display. The results suggest that there are two systems capable of generating movement signals in man. One system depends on preliminary processing of form, and the second system does not.

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