Psych Common Neurotransmitters

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8 Terms

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Acetylcholine (ACh)

Type: excitatory/inhibitory
Function: muscle, learning, memory

Malfunction: too little = Alzheimer’s

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Dopamine

Type: excitatory/inhibitory
Function: movement, learning, attention, emotion

Malfunction: too much = schizophrenia

too little = Parkinsons’s

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Serotonin

Type: inhibitory
Function: mood, hunger, sleep, arousal
Malfunction: too little = depression

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Norepinephrine

Type: excitatory
Function: alertness, arousal
Malfunction: too little = depresses mood

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GABA (gamma-aminobutyric acid)!

Type: main inhibitory in CNS
Function: regulates anxiety, stress, sleep
Malfunction: too little = seizures, tremors, insomnia

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Glutamate!

Type: main excitatory
Function: learning, memory, cognition, plasticity
Malfunction: too much = brain overstimulation to migraines, seizures

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Endorphins

Type: inhibitory
Function: perception of pain and pleasure
Malfunction: too much from opioid use = suppression of natural supply

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Substance P

Type: excitatory
Function: pain perception and immune response
Malfunction: too much = chronic pain