File:Nervous and mental diseases (1908) (14797862323).jpg

Identifier: nervousmentald00chu (find matches)
Title: Nervous and mental diseases
Year: 1908 (1900s)
Authors: Church, Archibald, b. 1861 Peterson, Frederick, 1859-1938
Subjects:
Publisher: Philadelphia : Saunders
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Fig. 67.—Functional areas of the cerebral cortex of the left side (after Campbell). The most recent investigation of cortical localization in anthropoidsby Sherrington and Griinbaum, and the histological studies of A. W.Campbell,1 indicate that the true motor region of the cortex is much lessextensive than was formerly thought. The functional groups of skeletalmuscles are represented in the precentral or ascending frontal convolu-tion from the lower end of Rolandos fissure up to the midline of the brain,and to a slight extent on the mesial surface of the hemisphere, in a con-1 Histological Studies of the Localization of Cerebral Functions, 1905. THE CEREBRAL CORTEX—LOCALIZATION. 165 tinuous narrow zone. The bottom of the fissure of Rolando sharplybounds the motor area behind and it extends forward not to exceed thewidth of the precentral gyre.
Text Appearing After Image:
Fig. 68.—Functional areas of tine mesial surface of the left hemisphere (after Campbell). At the branching of the fissure of Sylvius motions of the tongue andplatysma are found, and immediately above them the muscles of the face,first the lower, then the upper face parts. Next in order we encounter

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