Ap Psychology: Neurotransmitters Flashcards
Acetylcholine (ACh)
Function: Enables muscle action, learning, and memory
Malfunction: Associated with Alzheimer’s disease or paralysis
Dopamine
Function: Movement, thought process, reward
Malfunction: Oversupply linked to schizophrenia, undersupply linked to Parkinson’s disease
Serotonin
Function: Affects mood, hunger, sleep, and arousal
Malfunction: Undersupply linked to depression and stress. Some drugs that raise serotonin levels are used to treat depression
Norepinephrine
Function: Physical arousal, learning, and memory
Malfunction: Undersupply can depress mood
GABA (gamma-aminobutyric acid)
Function: A major inhibitory neurotransmitter
Malfunction: Undersupply linked to seizures, tremors, anxiety disorders, and insomnia
Glutamate
Function: A major excitatory neurotransmitter; involved in memory
Malfunction: Oversupply can overstimulate the brain, producing migraines or seizures
Endorphins
“Morphine within”- natural, opiate-like neurotransmitters linked to pain control and pleasure
Epinephrine
Function: Plays a role in metabolism, attention, focus, panic, and excitement
Malfunction: linked to sleep disorders, anxiety, hypertension, and lowered immunity