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Thalamic Nuclei 01

Topic: Anatomy

Created on Thursday, September 14 2006 by

Last modified on Tuesday, February 20 2007.

A 42 year-old defense attorney suffers a lacunar infact in the thalamus.

The only observable effect of the stroke is a deficit in somatic sensation from the face. Of the following choices, which nucleus of the thalamus is the most likely location of the stroke?

A) Ventral posterolateral nucleus

B) Intralaminar nuclei

C) Lateral geniculate nucleus

D) Medial geniculate nucleus

E) Ventral posteromedial nucleus

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This question was created on September 14, 2006 by .
This question was last modified on February 20, 2007.

ANSWERS AND EXPLANATIONS

A) ventral posterolateral nucleus

This answer is incorrect.

Somatic sensation from the face is associated with the ventral posteromedial nucleus of the thalamus (See References)


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B) intralaminar nuclei

This answer is incorrect.

Somatic sensation from the face is associated with the ventral posteromedial nucleus of the thalamus (See References)


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C) lateral geniculate nucleus

This answer is incorrect.

Somatic sensation from the face is associated with the ventral posteromedial nucleus of the thalamus (See References)


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D) medial geniculate nucleus

This answer is incorrect.

Somatic sensation from the face is associated with the ventral posteromedial nucleus of the thalamus (See References)


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E) ventral posteromedial nucleus

This answer is correct.

The ventral posteromedial nucleus of the thalamus is associated with somatic sensation from the face (See References)


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References:

1. Nolte, J. (1993). The Human Brain: An Introduction to Its Functional Anatomy. Mosby, St. Louis.


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anatomy
Thalamic Nuclei 01
Question ID: 69141
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 09/14/2006
Modified: 02/20/2007
Estimated Permutations: 0