perceptual constancy


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perceptual constancy

[pər¦sep·chə·wəl ′kän·stən·sē]
(psychology)
The tendency of the perceived properties of objects (size, shape, orientation, direction) to remain intact despite variations in distance, slant, and retinal locus caused by movements of the observer.
References in periodicals archive ?
The results of the present study suggest that high-level cognitive processes such as attention might constrain basic auditory mechanisms involved in identifying the phonemic tone in a language to guarantee perceptual constancy.
More investigations on virtual visual space are needed to understand its deficits and how they prevent perceptual constancy in this experimental condition.
Saying that the cause of Robinson's response is a stimulation belonging to the stimulus-cause of his sentence 'This is a banana' is entirely compatible with perceptual constancy and with the fact that Robinson can identify bananas by means of various sensory modalities.