As you watch the rectangle of a paper flag being turned around its pole, you always see the shape of the flag as being rectangular. Yet the image of the flag changes shape at the retina as it rotates. Why do you not see the shape as changing?
A) the brain interprets the retinal input in terms of a prototype of a rectangle
B) the brain adjusts the retinal shape for orientation to yield perceived shape
C) the brain uses a familiar shape/retinal shape ratio
D) a and c

Question

Quizplus · Accepted Answer

The brain adjusts the retinal shape for orientation to yield perceived shape, maintaining the perception of a rectangle despite changes in the retinal image.

As You Watch the Rectangle of a Paper Flag Being