The image of a person is identical on the retinas of a child, whereas the image of a dog is much different on the left retina than it is on the right. This means that the child will perceive the
A)dog to be closer than the person.
B)person to be closer than the dog.
C)person and the dog to be very close.
D)person and the dog to be far away.

Question

Quizplus · Accepted Answer

The difference in the images on the retinas (retinal disparity) is a cue for depth perception. Greater disparity indicates that the object is closer. Since the dog's image is much different on each retina, it is perceived as closer than the person, whose image is identical on both retinas.

The Image of a Person Is Identical on the Retinas