1
Acetylcholine (ACh)
- Excitatory/Inhibitory
- Function: muscle action (PNS), autonomic regulation, cognition, pleasure
- cholinergic
2
GABA
- Inhibitory
- inhibitory in CNS (acts as breaks for excitatory neurotransmitter)
- animo acid
3
Glutamate
- excitatory (ONLY)
- learning and memory
- amino acid
4
dopamine
- excitatory/inhibitory
- movement, reward/pleasure, goal-directed behavior
- amine
5
serotonin
- inhibitory
- sleep, appetite, arousal, mood, sensory perception, emesis, appetite
- amine
6
norepinephrine (NE)
- excitatory/inhibitory
- attention to sensory, mood
- amine
7
substance p
- excitatory/inhibitory
- mood regulation, respiratory rhythm, transmits pain signals
- peptide
8
histamine
- inhibitory
- arousal, hormone productions
- amine
9
opioid peptides
- inhibitory
- inhibit perception of pain
- peptide
10
INHIBITORY
- G / O / S / H
- Gaba
- Opioid peptides
- Serotonin
- Histamine
11
INHIBITORY/EXCITATORY
- D / A / N / S
- Dopamine
- Acetylcholine
- Norepinephrine
- Ssubstance S
12
EXCITATORY (only)
- GLUTES
- Glutamate