File:The Journal of nervous and mental disease (1874) (14778942064).jpg

Identifier: journalofnervous10ameruoft (find matches)
Title: The Journal of nervous and mental disease
Year: 1874 (1870s)
Authors: American Neurological Association
Subjects: Nervous system Psychology, Pathological
Publisher: Baltimore (etc.) Williams & Wilkins (etc.)
Contributing Library: Internet Archive
Digitizing Sponsor: Internet Archive

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
y tendto evoke. To sum up, this ganglion probably acts as a condenserand modifier of all motor acts which are the result of voli-tion ; and manifests, through the agency of its satellites(the cells of the anterior horns of the gray matter of thespinal cord), the OMtward expressions of our personality.Without the influence of the cerebral hemispheres, it is alsocapable, by means of cerebellar innervation, of governingall the complex muscular movements required in maintain-ing equilibrium (coordinated movements). Finally, it maybe presumed to possess the power of analysis of cerebraland cerebellar currents received simultaneously, and of ma-terializing them by the intervention of its nerve-cells, pro-jecting them in a new form, amplified and incorporated withthe requirements of the general organism. Experiments made upon the caudate and lenticular nu-clei can hardly be said to have afforded results which canbe made the basis for positive deductions respecting the 44 AMBROSE L. RANNEY. A
Text Appearing After Image:
Afferent 6bres ofcorpus striatum cortico-striategroup. Stria cornea Efferent fibresof corpus striatum Cerebellar fibresto corpus striatum Fig. 3.—A diagram designed to show the afferent and efferent fibres of thecorpus striatum. C, TV, caudate nucleus, or ventricular portion of corpusstriatum ; L N, lenticular nucleus, or extra-ventricular portion of corpusstriatum ; A—B, median line, separating cerebral hemispheres ; P—F, psycho-motor regions of the cortex ; a, peduncular fibres connected with L, N ; b, fibresof the so-called internal capsule ; c, fibres connected with C, N\ 0, olfac-tory fibres. functions of each. Nothnagel employed injections of chro-mic acid into the substance of each, and also destroyedthem by means of an instrument devised for that purpose,but he made no positive conclusions save that the lenticular THE CORPUS STRIATUM. 45 nucleus seemed to have a more decided influence upon mo-tion than the caudate nucleus, when both sides were simul-taneously destroyed.

Note About Images