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BRAIN BATTACK: Anatomy > Diencephalon > Flashcards

Diencephalon Flashcards

1
Q

Part of the thalamus that have reciprocal connections with the mamillary bodies, and cingulate gyrus.

Modality- specific and limbic group of thalamic nuclei.

A

Anterior group

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2
Q

Part of the thalamus with relationship with prefrontal cortex

Multimodal associative group of thalamic nuclei (for behavior, memory, integration)

A

Medial group

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3
Q

Part of the thalamus that links the subcortical visual areas with association cortical visual area

A

Pulvinar and lateral posterior nuclei

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4
Q

Part of the thalamus that links basal ganglia and cerebral cortex

A

Ventral anterior nucleus

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5
Q

Part of the thalamus that links cerebellum with cerebral cortex

A

Ventral lateral nucleus

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6
Q

Part of the thalamus that links the somatosensory neural system (medial lemniscus and spinothalamic) of te contralateral half of the body with the somatosensory cortex

A

Ventral posterior lateral

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7
Q

Part of the thalamus that links the somatosensory neural system (medial lemniscus and spinothalamic) of te contralateral half of face and taste system with the somatosensory cortex

A

Ventral posterior medial

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8
Q

Part of the thalamus for arousal, motor control, and awareness of sensory experiences

A

Intralaminar
Reticular
Midline

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9
Q

Part of the thalamus acting as auditory pathway

A

Medial geniculate nucleus

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10
Q

Part of the thalamus acting as relay station for visual pathway

A

Lateral geniculate nucleus

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11
Q

Thalamic vascular supply:

A
  1. basilar
  2. posterior cerebral
  3. posterior communicating
  4. internal carotid
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12
Q

Structure that contains pallidal and cerebellar efferents to the thalamus

A

H fields of Forel

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13
Q

Perecentage in humans wherein the two thalami are connected

A

70%

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14
Q

Parts of the epithalamus

A
  1. Stria medullaris thalami
  2. Habenular nuclei
  3. Pineal gland
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15
Q

Function of pineal gland

A

gonadal function

circadian rhythm

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16
Q

The anterior nuclear group of thalamus is part of the limbic system which is concerned with what functions

A
  1. emotional behavior

2. memory mechanisms

17
Q

What are the three parts of the dorsomedial nucleus?

A
  1. dorsomedial magnocellular division
  2. dorsolateral parvicellular division
  3. paralaminar division
18
Q

The dorsomedial thalamic nuclei belongs to the neural system concerned with the following functions

A 
affective behavior
decision making
judgment
memory
integration of somatic and visceral activity
19
Q

Bilateral lesions of the dorsomedial nucleus will result to this syndrome

A

lost of physical self- activation
apathy
indifference
poor motivation

20
Q

reticular formation continuation in the substhalamus

A

zona incerta

21
Q

Syndrome affecting the Posterolateral (thalamogeniculate) thalamic territory

A

Dejerine- Roussy sundrome

22
Q

Clinical manifestation of lesion in the anterolateral thalamic territory

A

neuropsychological impairment

23
Q

Clinical manifestation of a medial (paramedian) thalamic territory lesion

A

Akinetic mutism

Kline- Levin

24
Q

Clinical manifestation of lateral thalamic territory lesion

A

hemiparesis and dysarthria

25
Q

Clinica; manifestation of posterior thalamic territory lesion

A

hemisensory dysfunction and visual field defects

26
Q

Movement disorder affecting the subthalamic nucleus

A

hemiballismus

27
Q

Most thalamic infarcts are seen where?

A

posterolateral supplied by PCA

paramedian supplied by the BA

28
Q

In this syndrome, patient appear awake and maintain a sleep-wake cycle but unable to communicate in anyway

A

akinetic mutism

29
Q

Klein Levin syndrome characteristic

A 
excessive somnolence
hyperphagia
hypersexual behavior
impaired recent memory
eventually ending with recovery
30
Q

sensory disturbances confiend to one hand and to the ipsialteral mouth region

where is the localization?

A

Cheiro- Oral Syndrome

Ventral Posterior Thalamic Nucleus

31
Q

Localization for Alien Hand Syndrome

A

Ventral Posterior
Ventral lateral
Dorsomedial nuclei

32
Q

Localization for Thalamic Acalculia

A

Ventral lateral nuclei

Dorsomedial thalamic nuclei

33
Q

Medial thalamus language deficit

A

anomia aphasia

34
Q

Anterolateral thalamus language deficit

A

transcortical aphasia

35
Q

Lateral thalamus language deficit

A

anomia aphasia

BRAIN BATTACK: Anatomy (6 decks)

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