Thalamic lesions are used to alleviate Parkinson Stephen @University

Question 2 / 9: Thalamic lesions are used to alleviate Parkinson's disease in cases that are refractory to L-dopa. What thalamic nucleus is the stereotaxic target for the neurosurgeons? This brain is from a patient who had a left electrolytic thalamotomy and a right chemopallidectomy 10 years before death that resulted in considerable improvement.

A. Centromedian.

B. Ventral posterior.

C. Lateral dorsal.

D. Ventral lateral.

E. Pulvinar.

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Explanation:

Ventral lateral nucleus and ventral anterior nucleus project to premotor and supplementary motor regions which in turn project to precentral gyrus. This brain is from a patient who had a left electrolytic thalamotomy and a right chemopallidectomy 10 years before death that resulted in considerable improvement.

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https://www.jobilize.com/neuroanatomy-ch-12-the-basal-ganglia

Neuroanatomy 12 The Basal Ganglia

Author:

M.D.Stephen VoronLecturer

University of Utah

USA

Access: Public Instant Grading

Attribution: Stephen C. Voron, M.D., Suzanne S. Stensaas, Ph.D. , Department of Neurobiology and Anatomy, University of Utah, School of Medicine, Salt Lake City, Utah 84132, http://library.med.utah.edu/kw/hyperbrain

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