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February 1922

EQUILIBRATION AND THE VESTIBULAR APPARATUS

Arch NeurPsych. 1922;7(2):210-219. doi:10.1001/archneurpsyc.1922.02190080059006
Abstract

Rules for testing the vestibular apparatus have been formulated by Bárány, Jones1 and others, and they have also indicated certain (supppositious) intracranial paths for the vestibular nerve. Furthermore, following the suggestion of Dana and of Mills, Jones has assumed a cerebral center for this nerve. Following these and other writers, principally otologists, the tests are being applied by large numbers of men who, because of inadequate neurologic training, are incompetent to interpret the findings. Consequently, in the crucial matter of diagnosis they are leading themselves and others astray.

Therefore I purpose briefly to discuss: (1) the possible existence of a center of equilibration and its location, (2) the intracranial pathways related to the semicircular canals, and (3) the clinical value of the vestibular tests.

EQUILIBRATORY CENTER AND ITS LOCATION  The first to mention cortical centers for the vestibular nerve was Dana,2 who in 1889 reported two cases with

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