When Jim looks at his raised finger, he can make it "jump" from one location by looking at it with only his left eye and then with only his right eye. This perception that Jim's finger is in two different places (when it is not) is called
A) perspective.
B) relative retinal size.
C) perceptual constancy.
D) depth perception.
E) retinal disparity.

Question

Quizplus · Accepted Answer

Jim's ability to perceive his finger in two different places when he looks at it with only his left eye and then with only his right eye is due to the difference in the retinal images created by each eye, which is called retinal disparity. This is because when each eye views an object from a slightly different angle, it creates different images on each retina, and the brain combines these images to create a perception of depth and 3D space.

When Jim Looks at His Raised Finger, He Can Make