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Forward vs Reversed Bekesy Tracings
Tauno Palva, MD;
Juhani Kärjä, MD;
Antti Palva, MD
Arch Otolaryngol. 1970;91(5):449-452.
Abstract
Sixteen normal ears and 231 ears with sensorineural deafness were studied by forward and reverse sweep continuous-tone Bekesy audiometry. In normal ears, the tracings overlapped and this was also generally true in clinical material for cochlear deafness with loudness recruitment and slight-tone (less than 30 db) decay.
Abnormal tracings were seen more frequently in cases with lesions in the brain-base area including the auditory nerve and cerebellum. Poor reverse tracings were associated with a part of the cases with abnormally high-tone decay and incomplete or absent loudness recruitment.
Author Affiliations
Oulu, Finland
From the Department of Otolaryngology, Oulu University, Finland.
Footnotes
Accepted for publication Jan 5, 1970.
Reprint requests to Department of Otolaryngology, Oulu University, Oulu, Finland (Dr. T. Palva).
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