Effect of conductive hearing loss on central auditory function

It has been demonstrated that long-term Conductive Hearing Loss (CHL) may influence the precise detection of the temporal features of acoustic signals or Auditory Temporal Processing (ATP). It can be argued that ATP may be the underlying component of many central auditory processing capabilities suc...

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Bibliographic Details
Published in:Brazilian journal of otorhinolaryngology 2017-03, Vol.83 (2), p.137-141
Main Authors: Bayat, Arash, Farhadi, Mohammad, Emamdjomeh, Hesam, Saki, Nader, Mirmomeni, Golshan, Rahim, Fakher
Format: Article
Language:English
Subjects:
Acoustic Stimulation
Adolescent
Adult
Adulto
Auditory Perception - physiology
Auditory temporal processing
Auditory Threshold - physiology
Case-Control Studies
Conductive hearing loss
Cross-Sectional Studies
Female
Gap in noise
Gap no ruído
Hearing Loss, Conductive - physiopathology
Humans
Male
Middle Aged
Original
OTORHINOLARYNGOLOGY
Perda auditiva condutiva
Processamento temporal auditivo
Reaction Time
Sound Localization - physiology
Speech Reception Threshold Test
Young Adult
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Summary:It has been demonstrated that long-term Conductive Hearing Loss (CHL) may influence the precise detection of the temporal features of acoustic signals or Auditory Temporal Processing (ATP). It can be argued that ATP may be the underlying component of many central auditory processing capabilities such as speech comprehension or sound localization. Little is known about the consequences of CHL on temporal aspects of central auditory processing. This study was designed to assess auditory temporal processing ability in individuals with chronic CHL. During this analytical cross-sectional study, 52 patients with mild to moderate chronic CHL and 52 normal-hearing listeners (control), aged between 18 and 45 year-old, were recruited. In order to evaluate auditory temporal processing, the Gaps-in-Noise (GIN) test was used. The results obtained for each ear were analyzed based on the gap perception threshold and the percentage of correct responses. The average of GIN thresholds was significantly smaller for the control group than for the CHL group for both ears (right: p=0.004; left: p
ISSN:1808-8694
1808-8686
1808-8686
DOI:10.1016/j.bjorl.2016.02.010