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Delayed Auditory Tone Perception in Multiple Sclerosis

Published online by Cambridge University Press:  18 September 2015

Douglas B. Quine ,
David Regan  and
Thomas J. Murray
Douglas B. Quine*
Affiliation:
Departments of Psychology, Biophysics, Physiology, Otolaryngology and Medicine, Dalhousie University, Halifax, Nova Scotia
David Regan
Affiliation:
Departments of Psychology, Biophysics, Physiology, Otolaryngology and Medicine, Dalhousie University, Halifax, Nova Scotia
Thomas J. Murray
Affiliation:
Departments of Psychology, Biophysics, Physiology, Otolaryngology and Medicine, Dalhousie University, Halifax, Nova Scotia
*
Quine’s present address is: Pharmacology, Tulane University School of Medicine, 1430 Tulane Avenue, New Orleans, LA 70112, U.S.A.
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Summary:

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Delays of auditory perception at three frequencies were measured in 30 multiple sclerosis patients using a pscyhophysical technique. Nineteen patients had abnormal delays at one or more tone frequencies, though 15 had normal audiograms at those frequencies. In addition, auditory acuity for left-right asynchrony was abnormally poor in 13 patients, 9 of whom had normal audiograms. Such delays of auditory perception within a restricted frequency band may provide a partial explanation for degraded speech comprehension in some multiple sclerosis patients.

Type
Original Articles
Information
Canadian Journal of Neurological Sciences , Volume 10 , Issue 3 , August 1983 , pp. 183 - 186
Copyright
Copyright © Canadian Neurological Sciences Federation 1983

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