If you are looking at a pen that you are holding to the right of your visual field, the information about the image of the pen that is detected by the right eye will be processed by the
A) left visual cortex.
B) visual cortex on both sides of the brain.
C) right visual cortex.
D) optic chiasm.
E) left optic nerve.

Question

Quizplus · Accepted Answer

The visual field of each eye is divided such that the right visual field of both eyes is processed by the left visual cortex, and the left visual field of both eyes is processed by the right visual cortex. This is due to the crossing of optic nerve fibers at the optic chiasm, where fibers corresponding to the nasal half of each retina cross to the opposite side of the brain, while those from the temporal half do not cross.

If You Are Looking at a Pen That You Are