Title
Cochlear implantation improves localization ability in patients with unilateral deafness Cochlear implantation improves localization ability in patients with unilateral deafness
Author
Faculty/Department
Faculty of Arts. Linguistics and Literature
Publication type
article
Publication
Baltimore, Md ,
Subject
Human medicine
Source (journal)
Ear and hearing. - Baltimore, Md
Volume/pages
36(2015) :3 , p. E93-E98
ISSN
0196-0202
ISI
000353581000005
Carrier
E
Target language
English (eng)
Affiliation
University of Antwerp
Abstract
Objectives: One of the major complaints of people with a single-sided deafness is the inability to localize sound sources. Evidence suggests that subjects with a hearing loss can benefit from the use of a cochlear implant (CI) in sound localization. This study aimed to determine the effect of CI use on localization ability in unilaterally deafened subjects. Design: Sixteen adult subjects with postlingual unilateral deafness, fitted with a CI on the deaf side, were included in this study. The auditory speech sounds evaluation (A E) localization test was used to determine localization with a CI on (binaural) and a CI off (monaural). The root mean square error was used as a measure of the subject's localization performance. Stratified analyses were performed to test the influence of gender, age of implantation (<55 years and >55 years), and the duration of deafness (<10 years and >10 years) on localization ability. Results: Subjects with a CI on localized significantly better than without a CI. Gender, age, and the duration of deafness had no effect on the localization ability of the subjects. Conclusions: Cochlear implantation is effective in improving localization abilities in subjects with unilateral deafness. The root mean square error dropped significantly with binaural hearing compared to monaural hearing.
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