perceptual constancy

Definitions of perceptual constancy
  1. noun
    (psychology) the tendency for perceived objects to give rise to very similar perceptual experiences in spite of wide variations in the conditions of observation
    synonyms: constancy
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    types:
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    brightness constancy
    the tendency for a visual object to be perceived as having the same brightness under widely different conditions of illumination
    color constancy, colour constancy
    the tendency for a color to look the same under widely different viewing conditions
    shape constancy
    the tendency to perceive the shape of a rigid object as constant despite differences in the viewing angle (and consequent differences in the shape of the pattern projected on the retina of the eye)
    size constancy
    the tendency to perceive the veridical size of a familiar object despite differences in their distance (and consequent differences in the size of the pattern projected on the retina of the eye)
    type of:
    perception
    the process of perceiving
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