The chief inhibitory neurotransmitter in the brain is ____, and the chief excitatory neurotransmitter is ____.
A) GABA; glutamate
B) epinephrine; norepinephrine
C) serotonin; dopamine
D) acetylcholine; GABA

Question

Quizplus · Accepted Answer

GABA (gamma-aminobutyric acid) is the chief inhibitory neurotransmitter in the brain, while glutamate is the chief excitatory neurotransmitter. The other choices are not correct as epinephrine and norepinephrine are involved in the sympathetic nervous system's response to stress, while serotonin and dopamine are involved in mood regulation, and acetylcholine is mainly involved in the motor system and memory.

The Chief Inhibitory Neurotransmitter in the Brain Is ____, and the Chief