Dayse Távora-Vieira1, Geert De Ceulaer, Paul J Govaerts, Gunesh P Rajan. 1. 1Fiona Stanley Hospital, Perth, Australia; Otolaryngology, Head & Neck Surgery, School of Surgery, University of Western Australia, Perth, Australia; 2Fremantle Hospital, Alma Street, Fremantle, Australia; and 3The Eargroup, University of Antwerp, Antwerp-Deurne, Belgium.
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.
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.
Authors: Emily Buss; Margaret T Dillon; Meredith A Rooth; English R King; Ellen J Deres; Craig A Buchman; Harold C Pillsbury; Kevin D Brown Journal: Trends Hear Date: 2018 Jan-Dec Impact factor: 3.293
Authors: Elsa Legris; John Galvin; Sylvie Roux; Marie Gomot; Jean-Marie Aoustin; Mathieu Marx; Shuman He; David Bakhos Journal: PLoS One Date: 2018-09-24 Impact factor: 3.240