According to Focus on Neuroscience: The Dreaming Brain, as a person gradually changes from NREM sleep to REM sleep, which of the following is likely to happen?
A) REM-off neurons, which produce the neurotransmitters norepinephrine and serotonin, will suppress REM sleep.
B) REM-on neurons, which produce the neurotransmitters norepinephrine and serotonin, will promote REM sleep.
C) REM-off neurons, which produce the neurotransmitter acetylcholine, will suppress REM sleep.
D) REM-on neurons, which produce the neurotransmitter acetylcholine, will promote REM sleep.

Question

Quizplus · Accepted Answer

During the transition from NREM sleep to REM sleep, REM-on neurons that produce the neurotransmitter acetylcholine become activated, promoting the onset of REM sleep. The activity of REM-off neurons, which produce the neurotransmitters norepinephrine and serotonin, decreases during this time, further aiding in the promotion of REM sleep.

According to Focus on Neuroscience: the Dreaming Brain, as a Person