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Updated: Jun 20, 2025

Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation
Published on: October 11, 2024
[Single-Sided Deafness (SSD) - With the "Second" You Hear Better].
Till F Jakob1, Antje Aschendorff1, Susan Arndt1
1Klinik für Hals-, Nasen- und Ohrenheilkunde, Universitätsklinikum Freiburg, Medizinische Fakultät der Albert-Ludwigs-Universität, Freiburg, Deutschland.
Single-sided deafness (SSD) impairs sound localization and speech understanding. Cochlear implants (CI) offer a potential solution for restoring binaural hearing in individuals with SSD.
Area of Science:
- Otolaryngology
- Neuroscience
- Audiology
Background:
- Single-sided deafness (SSD) involves hearing loss in one ear with normal hearing in the contralateral ear.
- Congenital SSD often results from auditory nerve aplasia, while post-lingual SSD is frequently idiopathic.
- SSD significantly impacts sound localization and speech perception, particularly in noisy environments.
Purpose of the Study:
- To review the challenges associated with single-sided deafness.
- To explore current and potential therapeutic interventions for SSD.
- To highlight the role of cochlear implantation in achieving binaural hearing.
Main Methods:
- Literature review of studies on single-sided deafness.
- Analysis of audiological and neurological factors contributing to SSD.
- Evaluation of therapeutic outcomes, including cochlear implant efficacy.
Main Results:
- SSD presents significant auditory processing deficits.
- Various management strategies exist, but none fully restore binaural hearing except for cochlear implants.
- Cochlear implantation is a key option for addressing SSD-related hearing impairments.
Conclusions:
- Single-sided deafness poses considerable challenges to auditory function.
- Effective management requires addressing both the physical and perceptual aspects of hearing loss.
- Cochlear implants represent a significant advancement in restoring binaural hearing for SSD patients.
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