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Basal Ganglia 01

Topic: Anatomy

Created on Sunday, September 9 2007 by jdmiles

Last modified on Sunday, September 9 2007.

The basal ganglia receives cortical input primarily through which of the following nuclei?

 
        A) Substantia nigra only
 
        B) Internal segment of the globus pallidus only
 
        C) Substantia nigra pars reticulata and substantia nigra pars compacta
 
        D) Caudate and putamen
 
        E) Putamen only
 

 


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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




A) 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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B) Internal segment of the globus pallidus 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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C) Substantia nigra pars reticulata and substantia nigra pars compacta

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) Caudate and putamen

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) Putamen 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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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

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