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Journal Article

Citation

Noguchi K, Taya K. Acta Psychol. 1981; 48(1-3): 187-194.

Copyright

(Copyright © 1981, Elsevier Publishing)

DOI

unavailable

PMID

7304227

Abstract

Size constancy in three-dimensional motion, "kinetic size constancy", was investigated by measuring both perceived size and perceived distance under monocular and binocular viewing conditions. It was found that forward-motion facilitated a tendency to see an object with an approximately constant size and made it possible to perceive veridically the distance to the object (distance constancy). The size-distance invariance hypothesis, expressed in the form S'/D'=K theta n, was found to hold in the present experimental situation. In contrast to static size constancy, with kinetic size constancy there is no requirement for separate depth cues if a focal stimulus changes along its vertical and horizontal dimensions and this results in the perception of a shape.


Language: en

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