If an object (e.g., a red apple) appears outside of Panum's area, what will the observer see?
A) a single red apple
B) two red apples
C) a colorless apple
D) no apple at all

Question

Quizplus · Accepted Answer

If an object appears outside of Panum's area, the observer will see two of the same object (in this case, two red apples), one being the actual object and the other being a duplicate image created by the brain. This is because outside of Panum's area, retinal disparity (aka the difference between the images received by each eye) increases, causing the brain to attempt to fuse the images by creating a duplicate.

If an Object (E