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Table 2.1: Some Neurotransmitters and Their Functions

STUDY
PLAY
Acetylcholine (ACh)
enables muscle action, learning, and memory
Dopamine
influences movement, learning, attention, and emotion
Serotonin
affects mood, hunger, sleep, and arousal
Norepinephrine
helps control alertness and arousal
GABA (gamma-aminobutyric acid)
a major inhibitory neurotransmitter
Glutamine
a major excitatory neurotransmitter; involved in memory