Document Detail

Auditory temporal resolution and open speech recognition in cochlear implant recipients.
MedLine Citation:
PMID:  8085109     Owner:  NLM     Status:  MEDLINE    
The recognition of speech events depends, among other factors, on the resolution function. The present study was conducted to evaluate the auditory temporal resolution function in cochlear implant (CI) subjects by a gap detection threshold (GDT) test. Fourteen postlingual deaf subjects who used the Nucleus 22 Channel CI system participated in the study. They were divided into two subgroups: (1) six patients who did not achieve a significant open speech recognition score; and (2) eight patients who obtained different levels of open speech recognition ability (OSRA). Gap detection thresholds were found for six noise burst durations: 85, 65, 52, 36, 25 and 10 msec. Absolute values of GDT in the CI group were longer compared with those obtained from normal-hearing subjects. The CI values varied in consistence with burst duration; namely, as burst duration decreased, GD increased. This trend was found in CI recipients with OSRA only. Examination of the relationship between GDT and OSRA indicated that the majority of CI recipients who had OSRA showed lower GDT.
C Muchnik; R Taitelbaum; S Tene; M Hildesheimer
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Scandinavian audiology     Volume:  23     ISSN:  0105-0397     ISO Abbreviation:  Scand Audiol     Publication Date:  1994  
Date Detail:
Created Date:  1994-10-11     Completed Date:  1994-10-11     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0342230     Medline TA:  Scand Audiol     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  105-9     Citation Subset:  IM    
Department of Communication Disorders, Speech, Language and Hearing, Chaim Sheba Medical Center, Tel Hashomer, Israel.
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MeSH Terms
Acoustic Stimulation
Auditory Threshold
Child, Preschool
Cochlear Implants*
Deafness / rehabilitation*
Middle Aged
Speech Perception*
Time Factors

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