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Journal Article

Citation

Ball K, Sekuler R. J. Exp. Psychol. Hum. Percept. Perform. 1981; 7(4): 780-794.

Copyright

(Copyright © 1981, American Psychological Association)

DOI

unavailable

PMID

6457092

Abstract

Three studies relating perception of motion to stimulus uncertainty are reported. Generally, detectability declines when the observer is uncertain about the direction in which a target will move, but the visibility loss associated with direction uncertainty can be attenuated if the observer has adequate practice. This attenuation seems to depend upon the observer's ability to switch among directionally selective visual mechanisms in an adaptive fashion. The implications of these findings for models of motion detection are discussed.


Language: en

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