Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Neuropsych > Diencephalon > Flashcards

Diencephalon Flashcards

1
Q

What are the two major subdivisions of the diencephalon?

A

Pars dorsalis
Pars ventralis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What separates the pars dorsalis and pars ventralis?

A

Hypothalamic sulcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What makes up the pars dorsalis?

A

Thalamus
Metathalamus
Epithalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What makes up the metathalamus?

A

Medial and lateral geniculate bodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What makes up the epithalamus?

A

Pineal gland
habenular nuclei and commissure
Posterior commissure
Stria medullaris thalami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What makes up the pars ventralis?

A

Subthalamus
Hypothalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What divides the thalamus into a medial and lateral group?

A

Internal medullary lamina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What covers the lateral surface of the thalamus?

A

External medullary lamina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the three basic groups in the thalamus?

A

Anterior group
Medial/dorsomedial group
Lateral group

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the subdivisions the ventrolateral group of the thalamus?

A

Ventral anterior
Ventral lateral
Ventral posterior medial and lateral
Medial geniculate body
Lateral geniculate body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are divisions of the dorsolateral group of the hypothalamus?

A

Lateral dorsal
Lateral posterior
Pulvinar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What structures project to the ventral anterior and ventral lateral nuclei of the thalamus?

A

Basal ganglia
Cerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Where do the ventral anterior and ventral lateral nuclei of thalamus project?

A

Motor areas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What structures project to the ventral posterolateral and ventral posteromedial nuclei?

A

Medial lemniscus
Spinothalamic tract

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Where do the ventral posterolateral and ventral posteromedial nuclei project?

A

Somatosensory cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What structure projects to the medial geniculate body?

A

Brachium of inferior colliculus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Where does the medial geniculate body project to?

A

Auditory cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What projects to the lateral geniculate body?

A

Optic tract

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Where does the lateral geniculate body project to?

A

Visual cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What structure projects to the anterior thalamus?

A

Mammillothalamic tract

21
Q

Where does the anterior thalamus project to?

A

Cingulate gyrus

22
Q

What part of the thalamus is related to the head?

A

VPM

23
Q

What part of the thalamus is related to the body?

A

VPL

24
Q

What is the function of the dorsomedial group of the thalamus?

A

Provides mood of feeling tone to the emotional aspect of behavior
Integrating center for somatic and visceral impulses

25
Q

What is the function of the ventral anterior nucleus of the thalamus?

A

Convey information to motor area of frontal lobe

26
Q

What is the function of the ventral lateral nucleus?

A

Prime mover of motor pathway

27
Q

What is the function of ventral posterior nucleus?

A

Largest somatosensory relay nucleus

28
Q

What is the function of the medial geniculate body?

A

Auditory pathway
Perception of painful stimuli

29
Q

What is the function of the intralaminar nuclei?

A

Control of electrocortical activity of cerebral cortex
Influences levels of sensations and consciousness

30
Q

What is the function of the midline nucleus of the thalamus?

A

Regulation of visceral activities

31
Q

What is the function of the reticular thalamic nucleus?

A

Likely concerned with regulation of intrathalamic activity

32
Q

What is the function of the lateral geniculate body?

A

Concerned with visual pathway

33
Q

What occurs with a lesion to the thalamus?

A

Sensory loss
Possible choreo-athetosis with ataxia

34
Q

What are the nuclei of the medial zone of the hypothalamus?

A

Part of preoptic nucleus
Anterior nucleus
Part of suprachiasmatic nucleus
Paraventricular nucleus
Dorsomedial nucleus
Ventromedial nucleus
Arcuate nucleus
Posterior nucleus

35
Q

What are the nuclei of the lateral zone of the hypothalamus?

A

Part of preoptic nucleus
Part of suprachiasmatic nucleus
Supraoptic nucleus
Lateral nucleus
Tuberomammillary nucleus

36
Q

From where does the hypothalamus receive afferents?

A

Medial and spinal lemniscus
Tractus solitarius
Reticular formation
Visual fibers
Medial forebrain bundle
Auditory fibers
Corticohypothalamic fibers
Hippocampohypothalamic fibers
Amygdalohypothalamic fibers
Thalamohypothalamic fibers

37
Q

To where does the hypothalamus send efferents?

A

Descending fibers in RF to brainstem and spinal cord
Mammillothalamic tract
Mammillotegmental tract

38
Q

What two nuclei of the hypothalamus send fibers to the posterior pituitary?

A

Supraoptic and paraventricular nuclei via hypothalmohypophyseal tract

39
Q

What hormones are synthesized in the supraoptic and paraventricular nuclei that act in the posterior pituitary?

A

Vasopressin
Oxytocin

40
Q

What hypothalamic nuclei produce hormones that are sent to the anterior pituitary?

A

Tuberal and infundibular nuclei via tubero-infundibular tract and hypothalamohypophyseal portal system

41
Q

What is the function of the anterior hypothalamic nucleus?

A

Control PsNS system
Heat dissipation

42
Q

What are the functions of the preoptic nucleus of hypothalamus?

A

Sex regulation
Control PsNS system

43
Q

What is the function of the paraventricular nucleus of the hypothalamus?

A

Synthesizes oxytocin

44
Q

What is the function of the supraoptic nucleus of the hypothalamus?

A

Synthesizes vasopressing/ADH

45
Q

What is the function of posterior hypothalamus?

A

Heat conservation
Control SyNS activity

46
Q

What is the function of the lateral hypothalamic nuclei?

A

Hunger and thirst center
Emotion and behavior

47
Q

What is the function of the ventromedial hypothalamic nucleus?

A

Satiety center
Emotion and behavior

48
Q

What is the function of the suprachiasmatic hypothalamic nucleus?

A

Controls circadian rhythms

49
Q

What is the function of the arcuate nucleus?

A

Releasing and inhibiting hormones

Neuropsych (20 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions