Immanuel Can See Few Children Flying a Kite on Top

Multiple Choice

Immanuel can see few children flying a kite on top of a building at a distance. As the kite flies farther up into the sky it looks like it is getting smaller and smaller. However, Immanuel knows the kite is not shrinking due to his brain's ability to maintain ________.

A) texture gradient
B) linear perspective
C) motion parallax
D) perceptual constancy