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Japanese

DETERMINATION OF FREQUENCIES IN TINNITUS AURIUM THROUGH MASKING METHOD Takehiko Nagahama 1 pp.1069-1074
Published Date 1967/10/20
DOI https://doi.org/10.11477/mf.1492203833
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 Abstract Various types of tinnitus aurium were examined under a method using masking audiogram to determine the cycles upon which these tinnitus occurred. The basis of such a determination, the method of masking and the results obtained in this way are discussed.

 Three hundred and eighty ears affected with tinnitus were the object of examination. High-tone tinnitus (4,000c/s, 8,000c/s) numbered 184 ears (48.99%) and constituted the majority of patients who also suffered central deafness. Low-tone tinnitus (125c/s, 250c/s and 500c/s) was found in 66 ears (17.4%) among patients who were mostly involved with perceptive deafness.


Copyright © 1967, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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