PET scans of sleeping subjects have shown that the brain's frontal lobes and primary visual cortex are basically inactive during REM sleep.

Question

Quizplus · Accepted Answer

During REM sleep, the brain's frontal lobes, which are responsible for higher cognitive functions, and the primary visual cortex, which processes visual information, show reduced activity, while other areas related to emotion and memory are more active.

PET Scans of Sleeping Subjects Have Shown That the Brain's