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High-frequency hearing losses caused by low-frequency noises.

Authors
  • Mills, J H
  • Adkins, W Y
  • Gilbert, R M
Type
Published Article
Journal
Otolaryngology
Publication Date
Jan 01, 1978
Volume
86
Issue
5
Identifiers
PMID: 114955
Source
Medline
License
Unknown

Abstract

Human subjects were exposed to an octave-band noise for 24 hours. Temporary threshold shifts increased for the first eight hours of exposure and then were asymptotic. While threshold shifts were largest at about one-half octave above the center frequency of the noise, a second maximum was observed at higher test frequencies. The exact frequency of this second maximum decreased from 7.0 kHz, for a noise centered at 2.0 kHz, to 5.5 kHz for a noise centered at 0.5 kHz. This result could be caused by the travelling wave pattern along the cochlear partition or to the production of distortion products.

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