Which of the following neurotransmitters functions as a common inhibitory neurotransmitter in the brain?
A)serotonin
B)norepinephrine
C)acetylcholine
D)GABA

Question

Quizplus · Accepted Answer

GABA (gamma-aminobutyric acid) functions as a common inhibitory neurotransmitter in the brain. It helps to reduce neuronal activity and is involved in regulating anxiety, sleep, and muscle tone. Serotonin, norepinephrine, and acetylcholine are mainly excitatory neurotransmitters.

Which of the Following Neurotransmitters Functions as a Common Inhibitory