Which of the following statements best describes the path of optic nerve impulses in the brain
A)Impulses from the left eye travel to the right side of the brain; impulses from the right eye travel to the left side of the brain.
B)Impulses from the left eye travel to the left side of the brain; impulses from the right eye travel to the right side of the brain.
C)Impulses from the left eye travel to the left side of the brain; impulses from the right eye travel to both the right and left sides of the brain.
D)Impulses from the left half of each eye travel to the right side of the brain; impulses from the right half of each eye travel to the left side of the brain.

Question

Quizplus · Accepted Answer

Impulses from the left half of each eye (left visual field) are processed on the right side of the brain, and impulses from the right half of each eye (right visual field) are processed on the left side of the brain. This is due to the optic chiasm, where nerve fibers from the nasal side of each retina cross to the opposite side of the brain, while those from the temporal side do not cross.

Which of the Following Statements Best Describes the Path of Optic