Document Detail

Remote masking in noise-exposed chinchillas.
MedLine Citation:
PMID:  9105455     Owner:  NLM     Status:  MEDLINE    
Remote masking (RM), the phenomenon whereby an intense high-frequency masker elevates thresholds for low-frequency signals, has been shown to be sensitive to various types of hearing loss in humans and to temporary threshold shifts in chinchillas. In this experiment, RM was evaluated in chinchillas with permanent threshold shift (PTS). Thresholds for 0.5 and 1 kHz tones were measured in quiet and in the presence of an 88 dB SPL narrow band noise centered at 3 kHz in the animals exposed for 30 h to impact noise at 125 dB SPL as intensity. The results show that RM values are significantly lower in chinchillas with PTS than in normal hearing chinchillas.
A Quaranta; S L McFadden; D Henderson; V Sallustio
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Acta oto-laryngologica     Volume:  117     ISSN:  0001-6489     ISO Abbreviation:  Acta Otolaryngol.     Publication Date:  1997 Mar 
Date Detail:
Created Date:  1997-07-03     Completed Date:  1997-07-03     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0370354     Medline TA:  Acta Otolaryngol     Country:  NORWAY    
Other Details:
Languages:  eng     Pagination:  226-8     Citation Subset:  IM    
ENT Department, University of Bari, Italy.
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MeSH Terms
Auditory Threshold*
Evoked Potentials, Auditory
Hearing Loss, Noise-Induced / physiopathology*
Perceptual Masking*
Grant Support

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

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