Document Detail


Magnitude estimation and the "paradoxical" loudness of tinnitus.
MedLine Citation:
PMID:  3762105     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Ten patients with sensorineural hearing loss and tinnitus matched external tones to the tinnitus pitch. These matches were followed by magnitude estimates to measure the loudness function of tones at 1 kHz at the presumed tinnitus frequency (i.e., at the average frequency matching the pitch of the tinnitus), magnitude estimates of the tinnitus itself, and loudness matches of external tones to the tinnitus. The slope of the loudness function at 1 kHz is substantially smaller than the slope at the presumed tinnitus frequency. Most importantly, the magnitude estimates of the tinnitus coupled with intensity matches to the tinnitus provide coordinates that typically lie near the loudness function of the external tone used in the intensity match. Because the slope of the loudness function is much greater at the tinnitus frequency than at 1 kHz, the magnitude estimate of tinnitus loudness corresponds to a lower sensation level at that frequency than at 1 kHz. This finding favors the conclusion that rapid changes in loudness of external tones at the tinnitus frequency account for the "paradoxical" loudness of the tinnitus. The conclusion is independent of any mathematical description of the loudness function.
Authors:
M J Penner
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of speech and hearing research     Volume:  29     ISSN:  0022-4685     ISO Abbreviation:  J Speech Hear Res     Publication Date:  1986 Sep 
Date Detail:
Created Date:  1986-11-18     Completed Date:  1986-11-18     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0376336     Medline TA:  J Speech Hear Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  407-12     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Hearing Loss, Sensorineural / complications
Humans
Loudness Perception*
Pitch Perception
Psychoacoustics
Tinnitus / complications,  psychology*
Grant Support
ID/Acronym/Agency:
NINCDS 17170/DS/DS NIH HHS

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


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