Psychology Unit 1 Ch2 Vocab Flashcards
neurons
nerve cells
dendrite
receiver of messages; conducts impulses to be sent
axon
passes messages through to other neurons of other cells
glia cells
buddy cells to neurons
thinking, learning, memory
myelin sheath
fatty tissue; increase speed of transmission of messages
synapse
the junction between neurons (axon-> dendrite)
refactory period
period of inactivity from fired neuron
threshold
level stimulation for a neural impulse
all-or-none response
reaction of firing or not firing
neurotransmitters
chemical messengers crossing a snynaptic junction; if they bind, they stimulate a neural impulse (electric charge)
reuptake
reabsorbtion of transmitters by sending neuron (recycles)
ACh
muscle action; learning and memory
alzheimer’s
endorphins
pain and excercise (oipates)
dopamine
movement, learning, attention, EMOTION; pleasure (motivation), etc
depression; parkinsons (movement); schizophrenia
serotonin
mood, hunger, sleep, arousal
depresson
GABA
inhbitor
seizures, temors, insomnia