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Article
October 21, 1916

A SEMICIRCULAR CANAL INDICATOR: OF AID IN MAKING THE ROTARY AND CALORIC TESTS OF THE VESTIBULAR APPARATUS

Author Affiliations

Baltimore Surgeon, Baltimore Eye, Ear and Throat Hospital; Associate in Otology, University of Maryland, School of Medicine and College of Physicians and Surgeons

JAMA. 1916;LXVII(17):1227. doi:10.1001/jama.1916.25910170001011

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Abstract

After the examination of a large number of patients drawn from the neurologic clinic of Dr. A. C. Gillis at the Mercy Hospital, and from my otologic clinic at the Baltimore Eye, Ear and Throat Hospital, Dr. Gillis and I feel that the vestibular tests of Bárány are worthy of the most elaborate study and that they furnish a wide field for original investigation.

We have assured ourselves that in normal persons the reactions to the rotary and the caloric tests will come through simply and conclusively. Therefore, we believe that abnormal reactions are undoubtedly due to some interference in the course of arcs whose complexity have, so far, baffled demonstration.

We accept the postulate of Randall and Jones of Philadelphia, that the fibers from the different semicircular canals have entirely separate tracts of their own, and we have corroborated their findings to our own satisfaction in a series of

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