Acetylcholine (ACh) levels in the brain are high during _______________ sleep but lower during ______________ sleep.
A) REM; wakefulness and NREM
B) NREM; wakefulness and REM
C) wakefulness and REM; NREM
D) wakefulness and NREM; REM

Question

Quizplus · Accepted Answer

Acetylcholine levels are high during wakefulness and REM sleep, facilitating cortical activation and dreaming, while they are lower during NREM sleep.

Acetylcholine (ACh) Levels in the Brain Are High During _______________