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Impulse noise and continuous noise of equivalent frequency spectrum and total sound energy

Nilsson, P; Rydmarker, S and Grenner, Jan LU (1987) In Acta Oto-Laryngologica. Supplement 104(S 441). p.45-58
Abstract
It has been proposed that impulse noise and continuous noise affect the inner ear differently and investigations have found impulse noise to be harmful to both the inner hair cells and the outer hair cells. Scanning electron microscopy and non-standard methods for statistical analysis have facilitated the evaluation of different types of morphological changes after exposure to various kinds of noise. Morphological differences were compared in groups of guinea pigs exposed to either impulse noise or continuous noise of equivalent duration, spectral content and energy. Functionally, the groups also showed similar threshold elevations. In order to separate the two groups, subtle hair cell changes were recorded and evaluated either alone, in... (More)
It has been proposed that impulse noise and continuous noise affect the inner ear differently and investigations have found impulse noise to be harmful to both the inner hair cells and the outer hair cells. Scanning electron microscopy and non-standard methods for statistical analysis have facilitated the evaluation of different types of morphological changes after exposure to various kinds of noise. Morphological differences were compared in groups of guinea pigs exposed to either impulse noise or continuous noise of equivalent duration, spectral content and energy. Functionally, the groups also showed similar threshold elevations. In order to separate the two groups, subtle hair cell changes were recorded and evaluated either alone, in combination with each other or with hair cell loss. It was found that both the inner hair cells and the outer hair cells were affected differently by impulse noise than by continuous noise even though the auditory thresholds were similar. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Scanning electron microscopy, non-standard statistical methods, hair cell changes
in
Acta Oto-Laryngologica. Supplement
volume
104
issue
S 441
pages
45 - 58
publisher
Scandinavian University Press
external identifiers
  • pmid:3480682
  • scopus:0023585111
ISSN
0365-5237
DOI
10.3109/00016488709124800
language
English
LU publication?
yes
id
d9fcb8ac-b7b2-4290-a8c5-7b8d99a7021c (old id 1103875)
date added to LUP
2008-08-08 15:29:03
date last changed
2017-01-01 06:40:58
@article{d9fcb8ac-b7b2-4290-a8c5-7b8d99a7021c,
  abstract     = {It has been proposed that impulse noise and continuous noise affect the inner ear differently and investigations have found impulse noise to be harmful to both the inner hair cells and the outer hair cells. Scanning electron microscopy and non-standard methods for statistical analysis have facilitated the evaluation of different types of morphological changes after exposure to various kinds of noise. Morphological differences were compared in groups of guinea pigs exposed to either impulse noise or continuous noise of equivalent duration, spectral content and energy. Functionally, the groups also showed similar threshold elevations. In order to separate the two groups, subtle hair cell changes were recorded and evaluated either alone, in combination with each other or with hair cell loss. It was found that both the inner hair cells and the outer hair cells were affected differently by impulse noise than by continuous noise even though the auditory thresholds were similar.},
  author       = {Nilsson, P and Rydmarker, S and Grenner, Jan},
  issn         = {0365-5237},
  keyword      = {Scanning electron microscopy,non-standard statistical methods,hair cell changes},
  language     = {eng},
  number       = {S 441},
  pages        = {45--58},
  publisher    = {Scandinavian University Press},
  series       = {Acta Oto-Laryngologica. Supplement},
  title        = {Impulse noise and continuous noise of equivalent frequency spectrum and total sound energy},
  url          = {http://dx.doi.org/10.3109/00016488709124800},
  volume       = {104},
  year         = {1987},
}