neurotransmitters Flashcards
GLUTAMATE
most common excitatory NT
important for learning & memory
over-excitation = seizures, OCD
GABA
most common inhibitory NT
counteracts effect of glutamate
deficiency = over-excitation, anxiety, phobias
ACETYLCHOLINE
regulates motor control
excitatory or inhibitory
important for attention, arousal, memory
plays a role in Alzheimer’s
DOPAMINE
important in coordination, motivation, reinforcement (addiction)
surplus = schizophrenia
deficiency = Parkinson’s (degeneration of dopamine in the substantia nigra)
SEROTONIN
regulates mood, appetite, sleep
involved in learning & memory
Agonists
mimic/increase the effect of a neurotransmitter
L-dopa increases dopamine for Parkinson’s
Antagonists
block/decrease the effect of a neurotransmitter
haloperidol blocks dopamine