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chapter 59- exam 5 Flashcards

(29 cards)

1
Q

what did the limbic system evolve from?

A

olfactory system

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2
Q

what do giganto-cellular neurons release

A

acetylcholine

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3
Q

where does ach from gigantocellular cells go

A

up to the brain + down the spinal cord

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4
Q

purpose of ach from gigantocellular cells

A

keep you awake + upright

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5
Q

what does locus ceruleus release

A

norepinephrine

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6
Q

where does norepi go when released from locus cerulus

A

up to the brain

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7
Q

what is the purpose of norepi released from locus ceruleus

A

keeps you awake, dreaming + rem sleep, fight/flight response

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8
Q

what does the substantia nigra release

A

dopamine

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9
Q

where does dopamine go after being released by substantia nigra

A

up to the brain

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10
Q

indirect dopamine

A

binds to d2 receptors to inhibit

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11
Q

direct dopamine

A

binds to d1 receptors to increase thalamus output

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12
Q

what does raphe nuclei release

A

serotonin

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13
Q

where does serotonin go after released by raphe nuclei

A

up to brain + down reticulospinal tract

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14
Q

purpose of serotonin

A

inhibits thalamus/hypothalamus to causes sleep + inhibits pain down reticulospinal tract

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15
Q

what does supraoptic nuclei release

A

adh (antidiuretic hormone)

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16
Q

supraoptic nuclei purpose

A

increase water reabsorption in kidney

17
Q

what does paraventricular nuclei release

18
Q

paraventricular nuclei purpose

A

smooth muscle contraction + human connection

19
Q

periventricular nuclei purpose

A

fear, punishment, rage

20
Q

lateral hypothalamic nuclei purpose

A

hunger, thirst, aggression

21
Q

ventromedial nuclei purpose

A

satiety, tranquility

22
Q

mamillary bodies purpose

A

feeding reflex + early memory

23
Q

pre-optic area function

A

body temperature

24
Q

suprachiasmatic nucleus purpose

A

circadian rhythm

25
hippocampus function
decisions, learning, memory
26
kluver bucy syndrome is a lesion to
anterior temporal limbic cortex
27
kluver bucy syndrome
extreme curiosity, no fear, puts everything in the mouth, intense sex drive
28
a lesion to the posterior orbital frontal limbic cortex causes
insomnia, intense motor restlessness
29
lesions to cingulate/subcallosal gyri causes
rage + viciousness