Phenomena Resulting From Interruption of Afferent and Efferent Tracts of the Cerebellum (Classic Reprint)

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Excerpt from Phenomena Resulting From Interruption of Afferent and Efferent Tracts of the CerebellumIn a former paper, dealing with ablation experiments on the cerebellum, I showed that while some of the effects Obtained might result from the altered excitability Of the cerebral cortex, which was demonstrated to exist, it was impossible to avoid the conclusion that others were the result Of the removal of a direct in¿uence which the cerebellar centres normally exerted over those of the spinal cord. The best way to Obtain positive evidence on this point appeared to be to divide the inferior cerebellar peduncle on one side, leaving the organ itself and its other peduncles otherwise intact, this has accordingly been done, and the results Obtained form part Of the present communication. It however quickly became apparent that to perform this operation without injury to the auditory nuclei, and without including some fibres Of the superior peduncle in the lesion, was no easy task.It seemed desirable, as a control, to ascertain whether the effects Obtained on section of the inferior cerebellar peduncle were also to be Obtained when a section Of the lateral region of the medulla was made between the posterior column nuclei and Olive, so as to interrupt the direct cerebellar and lateral medullary tracts, without implicating the posterior columns or their nuclei and these results have been in their turn controlled by experiments in which a transverse section was made, including the posterior columns and their nuclei on one side a few millimetres above the level of the calamus scriptorius.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.