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CNS > [PHYSIO] LIMBIC SYSTEM & HYPOTHALAMUS > Flashcards

[PHYSIO] LIMBIC SYSTEM & HYPOTHALAMUS Flashcards

1
Q

papez circuit includes

A

HE MAN ATE CAT
hippocampus
Mamillary body
anterior thalamic nuclei
cingulate gyrus

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2
Q

function of limbic system (7)

A

1-olfaction
2-control of feeding & appetite
3-maternal & sexual behavior
4- stimulation of autonomic response
5-control of emotions
6-memory
7-motivation

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3
Q

piriform cortex is responsible for

A

perception & discrimination of olfactory sensation

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4
Q

olfactory cortex consists of

A

piriform cortex
amygdala
entorhinal cortex

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5
Q

neocortex is responsible for

A

conscious discrimination of odor

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6
Q

amgydala is responsible for

A

emotional responses to olfactory stimuli

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7
Q

the neocortex is responsible for

A

conscious discrimination of odor

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8
Q

the entorhinal cortex is responsible for

A

olfactory memories

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9
Q

lesions of amydgala lead to

A

hyperphagia
amniophagia

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10
Q

define hyperphagia

A

increased eating

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11
Q

define amniophagia

A

indiscriminative ingestion of all kinds of food

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12
Q

sexual behavior and function are controlled by

A

limbic system + hypothalamus

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13
Q

sexual behavior & function are modified by

A

prefrontal cortex
social factors
psychic factors

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14
Q

expression of emotions by limbic system & hypothalamus include

A

somatic motor responses
autonomic responses
endocrine responses

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15
Q

rage & aggression are produced by stimulation of

A

areas of amygdala + lateral nucleus

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16
Q

fear is produced by the stimulation of

A

areas of amygdala + periventricular nuclei

17
Q

placidity is produced by stimulation of

A

ventromedial nucleus

18
Q

site of memory incoding & consolidation

A

hippocampus

19
Q

bilateral lesion of hippocampus leads to

A

anterograde amnesia

20
Q

define motivation

A

force that activates/inhibits certain behavior to achieve certain goal

21
Q

reward system centers are located in

A

lateral & ventromedial nuclei of hypothalamus

22
Q

2ry reward centers are located in

A

septum
amygdala
certain areas of basal ganglia & thalamus

23
Q

main neuroT of reward system

A

Dopamine

24
Q

other neuroT of reward system

A

NE & 5HT

25
Q

stimulation of reward system produces

A

pleasure & satisfaction

26
Q

association between reward system & drug abuse

A

drugs cause addiction by increasing dopaminergic activity of reward system

27
Q

punishment system main centers are in

A

periventricular nuclei & periaqueductal gray area of hypothalamus

28
Q

2ry punishment system centers are in

A

amygdala + hippocampus

29
Q

main neuroT of punishment system

A

Ach

30
Q

stimulation of punishment system produces

A

displeasure & fear

CNS (29 decks)

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