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The History of the Basal Ganglia: The Contribution of Karl Friedrich Burdach

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Author(s): André Parent

Journal: Neuroscience & Medicine
ISSN 2158-2912

Volume: 03;
Issue: 04;
Start page: 374;
Date: 2012;
Original page

Keywords: Basal Ganglia | Movement Disorders | Striatum | Globus Pallidus | Putamen | Neuroscience History

ABSTRACT
It took many centuries for the basal ganglia (BG) to be recognized as specific brain entities involved in the control of psychomotor behavior. Andreas Vesalius (1514-1564) was the first to delineate this set of structures, but he did not name them nor payany attention to their functional significance. This was left to the English physician Thomas Willis (1621-1675), who used the term corpus striatum (striated or chamfered body) to designate the largest BG constituent, which he considered a major sensorimotor integration center. Willis’s pioneering description influenced markedly some 18th and 19th centuries scholars, particularly the German physician and anatomist Karl Friedrich Burdach (1776-1847). Burdach’s insightful studies of the human brain are summarized in a three-volume treatise entitled Vom Baue und Leben des Gehirns (1819-1826). This landmark opus provides a description of the BGwhose originality has largely been overlooked. Burdach’s careful investigation allowed him to differentiate the caudate nucleus from the putamen, which he respectively termed Streifenhügel (elongated hillock) and Schale (shell). He also called the putamen Linsenkern (lens-shaped nucleus), a term that he admittedly borrowed from his compatriot Johann Christian Reil (1759-1813). He further identified a paler structure (blasser Klumpen) within the inner portion of the lentiform nucleus that he called globus pallidus, and correctly identified its inner and outer segments (innern und ?ussern Theil). He aptly pointed out that the major BG nuclei are separated from one another by fibers fascicles that he termed inner and ?ussre Capsel (internal and external capsules). Burdach also referred to the substantia nigra (schwarzgraue Schicht or stratum nigrum) and claustrum (Vormauer), but gave full credit to the French anatomist Félix Vicq-d’Azyr (1748-1794) for their discovery. Although Burdach did not comment much on BG function, his anatomical description was sufficiently cogent to be still in use two centuries after its inception.

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