In the central nervous system, acetylcholine participates in arousal and reward mechanisms.

Acetylcholine in the Central Nervous System

- First neurotransmitter to be identified
- Cholinergic neurons use acetylcholine and are essential to learning and memory 

Rutgers University

- A neurotransmitter based on changes of a single amino acid (acetylcholine, serotonin, and dopamine)
- Monoamine neurotransmitters are amine neurotransmitters 

Amine Neurotransmitters

Breedlove, S. & Watson, N. (2017). Behavioral neuroscience, eighth edition. Oxford University Press.

Behavioral Neuroscience 8th Edition

Acetylcholine Neurotransmitter 

- Modified amino acids 
- Two principal classes: Catecholamine and Indoleamine neurotransmitters 

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