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Neuro > Thalamus > Flashcards

Thalamus Flashcards

1
Q

What does the thalamus do?

A

Processes info and organizes it before transmitting it to the cerebral cortex
- Receives sensory inputs
- Transmits conscious awareness
- Receives/Process all internal motor systems

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2
Q

Functions of the thalamus

A

General Arousal
Sensory Connections
Motor Connections
Emotional tone/Affect

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3
Q

4 Regional Zones and Functions

A

Anterior = Affective
Medial = Arousal
Lateral = Motor
Posterior = Sensory

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4
Q

Limbic lobe

A

Anterior nucleus:
- information from subcortical limbic to cortical limbic (cingulate gyrus)
- emotional tone

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5
Q

Dorsomedial Nucleus (Prefrontal)

A
  • information to and from prefrontal lobe
  • judgment and reasoning
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6
Q

Ventral Anterior Nucleus

A
  • information from globus pallidus (basal ganglia) and cerebellum to premotor areas and M1
  • motor planning and regulation
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7
Q

Ventral Lateral Nucleus

A
  • information from cerebellum and globus pallidus to M1 and premotor areas (basal ganglia)
  • motor output regulation
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8
Q

Ventral Posterior Nucleus

A
  • information to sensory areas of cortex
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9
Q

VPM + VPL

A
  • somatosensory information to cortex
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10
Q

VPI

A
  • vestibular information to cortex
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11
Q

Pulvinear Nucleus

A
  • information among cortical association cortices (Brodman’s Area 5/7, 18/19)
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12
Q

Lateral Geniculate Nucleus

A
  • information to primary visual cortex (Brodman’s Area 17, occipital lobe)
  • vision
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13
Q

Medial Geniculate Nucleus

A
  • information to primary auditory cortex (Area 41)
  • auditory
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14
Q

Intralaminar, Centromedian, Midline Nuclei

A
  • information from reticular system to widespread areas
  • arousal
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15
Q

Thalamic Pain Syndrome: Definition

A

Infarct on VPL (somatosensory cortex)

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16
Q

Thalamic Pain Syndrome: Location

A

Varies

17
Q

Thalamic Pain Syndrome: Intensity

A

Varies

18
Q

Thalamic Pain Syndrome: Signs and Symptoms

A

Spontaneous burning pain
Dysesthesia
Response to normal sensory input (or spontaneously occurs)

19
Q

Thalamic Pain Syndrome: Treatment

A

Narcotic analgesic
Antidepressants
Antiseizure medication

Neuro (19 decks)

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