When Alissa awakened during a period of REM sleep,she reported experiencing intense fear.A PET scan most likely would reveal that her REM sleep was associated with increased activity in her
A) superchiasmatic nucleus.
B) frontal lobes.
C) pineal gland.
D) amygdala.

Question

Quizplus · Accepted Answer

The amygdala is the brain structure responsible for processing emotional responses, in particular fear. Studies have shown increased activity in the amygdala during REM sleep, thus making it the most likely answer choice. The other brain structures listed do not have strong associations with REM sleep.

When Alissa Awakened During a Period of REM Sleep,she Reported