B7-061 Thalamus, Hypothalamus Flashcards

1
Q

separates the thalamic nuclei into regions

A

internal medullary lamina

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2
Q

thalamic nucleus that gets primary somatosensory information from the body

A

ventral posterolateral

VPL = Vibration Proprioception Light touch

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3
Q

thalamic nucleus that gets primary somatosensory information from the face

A

ventral posteromedial

VPM= Very Pretty Makeup for face

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4
Q

thalamic nucleus responsible for vision

A

lateral geniculate nucleus

L=lateral=light

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5
Q

thalamic nucleus responsible for hearing

A

medial geniculate nucleus

M=medial=music

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6
Q

thalamic nucleus that receives input from the medial lemniscus, spinothalamic tracts

A

VPL

Vibration, Pain, Light touch = VPL

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7
Q

thalamic nucleus that receives input from the trigeminal lemniscus, trigenimothalamic tract, and gustatory inputs

A

VPM

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8
Q

thalamic nucleus that receives input from the optic tract

A

LGN

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9
Q

thalamic nucleus that receives input from the inferior colliculus

A

MGN

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10
Q

2 prominent motor nuclei that live within the thalamus

A

ventral anterior
ventral lateral

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11
Q

thalamic nucleus that receives information from the Papez circuit

A

anterior

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12
Q

the medial dorsal nucleus of the thalamus is part of the […] system

A

limbic

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13
Q

thalamic nucleus that is a major motor relay nucleus between the cerebellum and primary motor cortex

A

ventrolateral nucleus

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14
Q

thalamic motor nucleus important to the feed forward system into cerebellum for smoothing movements

A

ventrolateral nucleus

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15
Q

thalamic nucleus that receives input from the basal ganglia and projects widely to the frontal eye fields and premotor motor cortex in the frontal lobe

A

ventral anterior nucleus

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16
Q

2 thalamic nuclei part of the limbic circuit

A

mediodorsal
anterior

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17
Q

thalamic nucleus that modulates the activity of the other thalamic nuclei

A

reticular nucleus

(doesn’t have reciprocal connections with thalamus)

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18
Q

functions of the hypothalamus [4]

A

Homeostasis
Endocrine
Autonomic
Limbic

HEAL

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19
Q

thalamic nuclei that receives input from the tectum and has widespread connections

thought to help orient toward relevant visual stimuli

A

pulvinar

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20
Q

the neurohypophyseal system of the hypothalamus involves what two nuclei?

A

supraoptic
paraventricular

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21
Q

the neurohypophyseal system of the hypothalamus goes to the […] pituitary

A

posterior

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22
Q

which hypothalamic nuclei release oxytocin and vasopressin?

A

supraoptic
paraventricular

(neurohypophyseal system)

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23
Q

the tuberoinfundibular system of the hypothalamus involves what two nuclei?

A

arcuate
periventricular

24
Q

the tuberoinfundibular system of the hypothalamus goes to the […] pituitary

A

anterior

25
Q

neurons release releasing factors that act on the anterior pituitary cells, which will release other substances into the bloodstream

A

the tuberoinfundibular system of the hypothalamus

26
Q

neurons in the […] nucleus of the hypothalamus sense temperature

A

anterior

27
Q

which hypothalamic nucleus responds to warm temperatures?

A

anterior

Anterior Cools = A/C

28
Q

which hypothalamic nucleus responds to cold temperatures?

A

posterior

29
Q

which hypothalamic nucleus responds to a change in the body’s set temperature point?

A

preoptic

30
Q

which hypothalamic nucleus reduces food intake when stimulated?

A

ventromedial

31
Q

lesions in […] produce overeating and obesity

A

ventromedial nucleus of hypothalamus

(no longer produces feeling of satiety)

32
Q

which hypothalamic nucleus increases food intake when stimulated?

A

lateral

33
Q

lesions in the […] produce anorexia

A

lateral nucleus of hypothalamus

(no longer produces desire to eat)

34
Q

which hypothalamic nucleus regulates circadian rhythm?

A

suprachiasmatic

35
Q

which hypothalamic nucleus responds to thirst?

A

supraoptic via ADH

anterior nucleus involved in coordinating drinking

36
Q

descending control of preganglionic, parasympathetic and sympathetic neurons is via the […] nucleus of the hypothalamus

A

paraventricular

37
Q

which hypothalamic nucleus regulates autonomic function?

A

paraventricular

38
Q

responds to heat

A

anterior hypothalamus

39
Q

responds to cold

A

posterior hypothalamus

40
Q

receives input from the mammilary bodies for memory formation

A

anterior nucleus

of thalamus

41
Q

auditory relay nucleus

A

medial geniculate

42
Q

receives visual information from the retina and projects to the primary visual cortex

A

lateral geniculate

43
Q

stimulation of the […] results in increased eating

A

lateral nucleus

44
Q

lesion causes anorexia

A

lateral nucleus

45
Q

responsible for sweating

A

anterior nucleus

46
Q

responsible for regulating growth hormone

A

arcuate nucleus

47
Q

regulates circadian rhythm

A

suprachiasmatic

48
Q

secrete vasopressin and oxytocin

A

supraoptic/paraventricular

49
Q

part of the RAS system that regulates alertness

A

reticular nucleus

50
Q

does not have a connectivity pattern typical of other thalamic nuclei

A

reticular nucleus

51
Q

receives general sensory information and projects it widely to the cortex

A

pulvinar

52
Q

thalamic motor nucleus with connection to motor cortex

A

VA

53
Q

somatosensory relay nucleus

A

VPL

54
Q

visual relay nucleus

A

lateral geniculate

lateral=light(vision)

55
Q

hypothalamus projects to the […] cell column to regulate fight/flight responses

A

intermediolateral