• noun
• synonym
• antonym

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