R.W., the man who had vertigo when he moved his eyes, had cortical damage that eliminated
A) corollary discharge signals.
B) image movement signals.
C) cortical magnification.
D) binocular cell firing.

Question

Quizplus · Accepted Answer

Corollary discharge signals help to maintain stable visual perception when the eyes move by informing the brain about planned eye movements. If the corollary discharge signals are absent due to cortical damage (as in R.W.'s case), the brain may interpret the retinal image movement resulting from eye movements as external motion, leading to vertigo.

RW, the Man Who Had Vertigo When He Moved His