Holding two index fingers in front of the eyes can create the perception of a floating finger sausage.This best illustrates the effect of
A) relative height.
B) retinal disparity.
C) interposition.
D) relative luminance.

Question

Quizplus · Accepted Answer

Retinal disparity refers to the slight difference between the images projected onto each retina. Because the fingers are held in front of the eyes, the images projected onto each retina are slightly different, which creates the perception of a floating finger sausage.

Holding Two Index Fingers in Front of the Eyes Can