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Fatigue and recovery of the human acoustic stapedius reflex in industrial noise.

Authors
  • Borg, E
  • Nilsson, R
  • Lidén, G
Type
Published Article
Journal
The Journal of the Acoustical Society of America
Publisher
Acoustical Society of America
Publication Date
Mar 01, 1979
Volume
65
Issue
3
Pages
846–848
Identifiers
PMID: 447912
Source
Medline
License
Unknown

Abstract

The fatiguability of the acoustic stapedius muscle reflex in an actual noisy industrial environment was investigated in normal-hearing subjects. In a laboratory situation a small depression was found with a considerable individual variability. The stapedius reflex recovered slowly, approximately as a linear function of time. In a field study on an entire day of exposure in a ship-building yard the reflex depression was on the average 4 dB in response to a stimulation of 2000 Hz 10 min after the end of the workday. This corresponds to less than 8 dB immediately at the end of the exposure.

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