Hypothalamus Flashcards

1
Q

What hypothalamic nuclei play a role in feeding behaviors and arousal?

A

Lateral nuclei

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2
Q

Motor information for the face is carried through what portion of the internal capsule?

A

Genu

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3
Q

What connects the two cerebral cortexes?

A

Corpus callosum

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4
Q

Interference of the subthalamus may cause what?

A

Contralateral flailing movements

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5
Q

What is the difference between the ventral posterior lateral nucleus and the ventral posterior medial nucleus in the hypothalamus?

A

VPL - somatosensory for the body
VPM - somatosensory for the head

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6
Q

What hypothalamic nuclei play a role in hyperthermia and sleep cycles?

A

Anterior nuclei

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7
Q

What information is carried in the retrolenticular portion of the internal capsule?

A

Visual info

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8
Q

What hypothalamic nuclei function in hormone release?

A

Supraoptic, preoptic, and paraventricular

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9
Q

What is the function of the posterior nucleus?

A

Blood pressure, pupil dilation, body heat

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10
Q

The posterior limb of the internal capsule carries what information?

A

Motor for the body, sensory for face and body

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11
Q

What is the function of the suprachiasmatic nucleus?

A

Circadian rhythm

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12
Q

What hypothalamic nucleus functions in food intake and circadian rhythm?

A

Dorsomedial nucleus

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13
Q

A patient presents with narcolepsy. They may have an issue with what hypothalamic nuclei?

A

Lateral nuclei

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14
Q

What are the parts of the corpus callosum?

A

Rostrum, genu, body, splenium

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15
Q

What hypothalamic nucleus plays a role in cardiovascular function?

A

Anterior nucleus

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16
Q

What hypothalamic nucleus functions in satiety?

A

Ventromedial nucleus

17
Q

What is the function of the lateral nucleus?

A

Feeding behavior, arousal, digestion, pain

18
Q

What is the function of the mamillary bodies?

A

Recollective memory & spatial memory

19
Q

What hypothalamic nuclei are implicated in obesity?

A

Medial nuclei

20
Q

What is the function of the preoptic nucleus?

A

Hormone release and body temperature

21
Q

What tract connects the hippocampus to the hypothalamus?

A

Fornix

22
Q

What is the function of the arcuate nucleus?

A

Regulate anterior pituitary horomes

23
Q

What hypothalamic nuclei play a role in hypothermia and formation of new memories?

A

Posterior nuclei

24
Q

What structure connects the temporal lobes?

A

Anterior commissure

25
Q

What structure connects the thalami across the third ventricle?

A

Interthalamic adhesion