If a tiny lesion is placed in the primary visual cortex, the most likely result will be
A) paralysis of the muscles that control the eyes.
B) a small "hole" in a particular region of the field of vision.
C) total blindness.
D) the development of cataracts.
E) a tiny lesion is unlikely to have any effects on vision.

Question

Quizplus · Accepted Answer

A small lesion in the primary visual cortex typically results in a specific deficit in the visual field corresponding to the area of the cortex that was damaged. This is known as a scotoma, which is essentially a "blind spot" or "hole" in the visual field, not affecting the entire vision or causing other eye-related issues like paralysis, total blindness, or cataracts.

If a Tiny Lesion Is Placed in the Primary Visual