Document Detail

Effects of temporary thershold shift on combination-tone generation and on two-tone suppression.
MedLine Citation:
PMID:  7410239     Owner:  NLM     Status:  MEDLINE    
Two-tone suppression and combination tone generation (2f1 - f2) are two phenomena that can be described by a single cochlear nonlinearity. Both phenomena are affected by a permanent threshold shift, which supports the idea of a common origin. In the present experiment the effect of a temporary threshold shift (TTS) on both phenomena is investigated. A clear effect of TTS on combination tone level and phase was found, but no effect on two-tone suppression. Limited data and small TTS require caution when the results are interpreted. Tentatively, the results contradict the common-origin concept. The (reversible) effect of TTS on the combination tone demonstrates that the combination tone is not simply due to nonlinear basilar membrane mechanics, but that a sensorineural process is involved.
G F Smoorenburg
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Hearing research     Volume:  2     ISSN:  0378-5955     ISO Abbreviation:  Hear. Res.     Publication Date:  1980 Jun 
Date Detail:
Created Date:  1980-11-25     Completed Date:  1980-11-25     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7900445     Medline TA:  Hear Res     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  347-55     Citation Subset:  IM    
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MeSH Terms
Auditory Fatigue / physiology*
Auditory Threshold / physiology
Basilar Membrane / physiology
Cochlea / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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