Basal Ganglia 01

Topic: Anatomy

Created on Sunday, September 9 2007 by jdmiles

Last modified on Sunday, September 9 2007.

 
        A) Thalamus only
 
        B) Cerebellum only
 
        C) Substantia nigra only
 
        D) Striatum only
 
        E) Caudate and substantia nigra pars reticulata
 

 

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This question was created on September 09, 2007 by jdmiles.
This question was last modified on September 09, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) Thalamus only

This answer is incorrect.

The caudate and putamen, together known as the striatum, function as the primary input nuclei of the basal ganglia. The caudate and putamen receive input from cortex and from the substantia nigra pars compacta, and sends output to the globus pallidus.  (See References)

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B) Cerebellum only

This answer is incorrect.

The cerebellum, while critical in movement, is not one of the basal ganglia.  (See References)

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C) Substantia nigra only

This answer is incorrect.

The caudate and putamen, together known as the striatum, function as the primary input nuclei of the basal ganglia. The caudate and putamen receive input from cortex and from the substantia nigra pars compacta, and sends output to the globus pallidus.  (See References)

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---

D) Striatum only

This answer is correct.

The caudate and putamen, together known as the striatum, function as the primary input nuclei of the basal ganglia. The caudate and putamen receive input from cortex and from the substantia nigra pars compacta, and sends output to the globus pallidus.  (See References)

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---

E) Caudate and substantia nigra pars reticulata

This answer is incorrect.

The caudate and putamen, together known as the striatum, function as the primary input nuclei of the basal ganglia. The caudate and putamen receive input from cortex and from the substantia nigra pars compacta, and sends output to the globus pallidus.  (See References)

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References:

1. Nolte, J. (1993). The Human Brain: An Introduction to Its Functional Anatomy. Mosby, St. Louis.
2. Kandel, E.R., Schwartz, J.H., and Jessel, T.M. (2000). Principles of Neural Science, 4th ed. McGraw-Hill, New York.

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anatomy
Basal Ganglia 01
Question ID: 090907097
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 09/09/2007
Modified: 09/09/2007
Estimated Permutations: 29610360