chapter 59- exam 5 Flashcards
(29 cards)
what did the limbic system evolve from?
olfactory system
what do giganto-cellular neurons release
acetylcholine
where does ach from gigantocellular cells go
up to the brain + down the spinal cord
purpose of ach from gigantocellular cells
keep you awake + upright
what does locus ceruleus release
norepinephrine
where does norepi go when released from locus cerulus
up to the brain
what is the purpose of norepi released from locus ceruleus
keeps you awake, dreaming + rem sleep, fight/flight response
what does the substantia nigra release
dopamine
where does dopamine go after being released by substantia nigra
up to the brain
indirect dopamine
binds to d2 receptors to inhibit
direct dopamine
binds to d1 receptors to increase thalamus output
what does raphe nuclei release
serotonin
where does serotonin go after released by raphe nuclei
up to brain + down reticulospinal tract
purpose of serotonin
inhibits thalamus/hypothalamus to causes sleep + inhibits pain down reticulospinal tract
what does supraoptic nuclei release
adh (antidiuretic hormone)
supraoptic nuclei purpose
increase water reabsorption in kidney
what does paraventricular nuclei release
oxytocin
paraventricular nuclei purpose
smooth muscle contraction + human connection
periventricular nuclei purpose
fear, punishment, rage
lateral hypothalamic nuclei purpose
hunger, thirst, aggression
ventromedial nuclei purpose
satiety, tranquility
mamillary bodies purpose
feeding reflex + early memory
pre-optic area function
body temperature
suprachiasmatic nucleus purpose
circadian rhythm
