Thalamic Nuclei Flashcards

1
Q
Anterior Nucleus (A)
Location:
Input:
Target:
Function:
A

Anterior tubercle.
Mammillary bodies (hypothalamus).
Cingulate gyrus.
Emotions?

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2
Q
Dorsomedial (DM) or Mediodorsal (MD)
Location:
Input:
Target:
Function:
A

Medial to internal medullary lamina.
Amygdala, hypothalamus, spinal trigem nucleus, ALS.
Frontal lobe ant to motor areas & to orbital cortex.
Emotions and non-motor frontal lobe functions.

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3
Q
Ventral Anterior (VA)
Location:
Input:
Target:
Function:
A

Lateral to Int Med Lamina.
Globus Pallidus, cerebellum.
Premotor cortex.
Motor.

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4
Q
Ventral Lateral (VL)
Location:
Input:
Target:
Function:
A

Posterior to VA.
Globus pallidus, cerebellum.
Precentral g & premotor cortex.
Motor.

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5
Q
Ventral Posterolateral (VPL)
Location:
Input:
Target:
Function:
A

Posterior to VL.
Medial lemniscus (Dorsal Column Nuclei).
Postcentral gyrus.
Somatic sensation from body.

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6
Q
Ventral Posteromedial (VPM)
Location:
Input:
Target:
Function:
A

Medial to VPL.
Medial lemniscus (Trigem Sensory Nuclei).
Postcentral gyrus.
Somatic sensation from head.

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7
Q
Pulvinar (P)
Location:
Input:
Target:
Function:
A

Posterior thalamus.
Sup colliculus, occipital, temporal, parietal lobes.
Occipital, temporal, parietal lobes.
Visual perception, language.

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8
Q
Medial Geniculate (MGN)
Location:
Input:
Target:
Function:
A

Posterior ventral surface of thalamus.
Inferior colliculus.
Auditory cortex.
Audition.

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9
Q
Lateral Geniculate (LGN)
Location:
Input:
Target:
Function:
A

Posterior ventral surface of thalamus.
Optic tract.
Visual cortex.
Vision.

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10
Q
Intralaminar (ILN)
Location:
Input:
Target:
Function:
A

Embedded in Int Med Lamina.
RF, spinal cord, spinal trigem nuc, ALS, globus pallidus.
Basal ganglia, diffusely to cortex.
Attention, arousal.

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