What is the significance of the finding that the isolated brain exhibits signs of alternating between wakefulness, SWS, and REM sleep?
A) It showed that in an isolated brain sleep is erratic and unpredictable.
B) It showed that the systems for controlling sleep are very simple.
C) It showed that that systems for controlling sleep are located in the brain.
D) It showed that systems for controlling sleep are not located in the brain.

Question

Quizplus · Accepted Answer

The finding that an isolated brain exhibits signs of alternating between wakefulness, SWS, and REM sleep shows that the systems for controlling sleep are located in the brain. This supports the hypothesis that sleep is a brain-mediated process and provides further insight into how the brain regulates sleep. Option A is incorrect since the finding does not suggest that sleep in an isolated brain is erratic and unpredictable. Option B is incorrect since the finding does not suggest that the systems for controlling sleep are very simple. Option D is also incorrect since the finding contradicts the idea that systems for controlling sleep are not located in the brain.

What Is the Significance of the Finding That the Isolated