Document Detail

Pulse rate matching by cochlear implant patients: effects of loudness randomization and electrode position.
MedLine Citation:
PMID:  9288477     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To assess the accuracy with which cochlear implant patients are able to match two stimuli on the basis of pulse rate pitch. DESIGN: Patients were required to adjust the pulse rate of a comparison stimulus to match that of a fixed reference stimulus. The comparison and the reference stimuli differed in loudness or were presented to different electrodes. RESULTS: Patients were able to match stimuli on the basis of pulse rate, with varying degrees of accuracy. Deviations from the target and the amount of variability were greater when stimuli were presented to different electrodes. The results also provide evidence regarding level-dependent pitch shifts. CONCLUSIONS: Because of methodological limitations, conclusions regarding pitch equivalence are limited. However, patients vary significantly in their ability to utilize temporal information.
S Pijl
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Ear and hearing     Volume:  18     ISSN:  0196-0202     ISO Abbreviation:  Ear Hear     Publication Date:  1997 Aug 
Date Detail:
Created Date:  1997-12-02     Completed Date:  1997-12-02     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8005585     Medline TA:  Ear Hear     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  316-25     Citation Subset:  IM    
Department of Audiology, St. Paul's Hospital, Vancouver, British Columbia, Canada.
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MeSH Terms
Cochlear Implants*
Deafness / rehabilitation*
Loudness Perception*
Pitch Perception
Random Allocation

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

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