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

   types:

   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