If just one eye is deprived of input for a few days early in life,
A) the contralateral visual cortex totally degenerates.
B) there is a decrease in the ability of visual cortex to be activated by stimulation of the deprived eye.
C) there is an increase in the ability of visual cortex to be activated by stimulation of the nondeprived eye.
D) both A and B
E) both B and C

Question

Quizplus · Accepted Answer

This phenomenon is known as ocular dominance plasticity. When one eye is deprived of input, the visual cortex adapts by increasing its sensitivity to the nondeprived eye (choice C) and decreasing its responsiveness to the deprived eye (choice B). However, complete degeneration of the contralateral visual cortex does not occur (choice A). Therefore, the best choice is E.

If Just One Eye Is Deprived of Input for a Few