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Improving Sound Localization After Cochlear Implantation and Auditory Training for the Management of Single-Sided Deafness

Nawaz, Sameerah*; McNeill, Celene†‡; Greenberg, Simon L.*

doi: 10.1097/MAO.0000000000000257
Cochlear Implants

Objective: To report a successful case of cochlear implantation and auditory training for the improvement of sound localization in a patient with single-sided deafness.

Study Design: Case report and literature review.

Setting: Tertiary referral otology practice.

Patient: Fifty-seven-year-old man receiving cochlear implantation after 8 years of unilateral sensorineural hearing loss.

Intervention: Initially, CROS hearing aid, then osseointegrated bone conduction system and finally cochlear implantation and auditory training.

Main Outcome Measures: Sound localization tests.

Result: Sound localization tests after CI and auditory training showed improvement when compared with testing performed after fitting of an osseointegrated bone conduction system.

Conclusion: Cochlear implantation followed by 3 months of auditory training may have improved sound localization in this patient with single-sided deafness. Further case-controlled studies need to be undertaken to ascertain whether CI alone without formal auditory training will promote the same results.

*Department of Otolaryngology, St George/Sutherland Public Hospital, Sydney; †Healthy Hearing & Balance Care; and ‡Department of Human Sciences, Macquarie University, New South Wales, Australia

Address correspondence and reprint requests to Sameerah Nawaz, M.B.B.S., Department of Otolaryngology, St George/Sutherland Public Hospital, Sydney, Australia; E-mail:

The authors disclose no conflicts of interest.

No external funding was sourced for this study.

Copyright © 2014 by Otology & Neurotology, Inc. Image copyright © 2010 Wolters Kluwer Health/Anatomical Chart Company