Reports

Perceptual analysis of moving patterns

Science  03 Dec 1976:
Vol. 194, Issue 4269, pp. 1081-1083
DOI: 10.1126/science.982065

Abstract

Configurations of moving points are often perceptually analyzed into relative and common vectors that are different from the actual motions. If a movement configuration is abruptly replaced by a test point whose objective velocity continues the apparent (but illusory) course of one of the original points, observers perceive that course as uninterrupted and colinear. This finding provides a quantitative measure of the vector extraction phenomenon and was used to show that neither of the two current models adequately fits that phenomenon.

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