Perceptual Constancies

Question 1

Size constancy

Answer 1

Involves recognising that an objects actual size remains the same, even though the size of the image it casts on each retina changes.

Question 2

Shape constancy

Answer 2

Tendency to perceive an object as maintaining its shape despite any change in shape of the image of the object on the retina

Question 3

Brightness constancy

Answer 3

Tendency to perceive an object as maintaining its level of brightness in relation to its surroundings, despite changes in the amount of light being reflected from the object to the retina