The listening network and cochlear implant benefits in hearing-impaired adults

Chris J. James*, Petra L. Graham, Frank A. Betances Reinoso, Silvia N. Breuning, Marcin Durko, Alicia Huarte Irujo, Juan Royo López, Lida Müller, Adam Perenyi, Rafael Jaramillo Saffon, Sandra Salinas Garcia, Mark Schüssler, Margarita J. Schwarz Langer, Piotr H. Skarzynski, Dianne J. Mecklenburg

*Corresponding author for this work

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    Abstract

    Older adults with mild or no hearing loss make more errors and expend more effort listening to speech. Cochlear implants (CI) restore hearing to deaf patients but with limited fidelity. We hypothesized that patient-reported hearing and health-related quality of life in CI patients may similarly vary according to age. Speech Spatial Qualities (SSQ) of hearing scale and Health Utilities Index Mark III (HUI) questionnaires were administered to 543 unilaterally implanted adults across Europe, South Africa, and South America. Data were acquired before surgery and at 1, 2, and 3 years post-surgery. Data were analyzed using linear mixed models with visit, age group (18–34, 35–44, 45–54, 55–64, and 65+), and side of implant as main factors and adjusted for other covariates. Tinnitus and dizziness prevalence did not vary with age, but older groups had more preoperative hearing. Preoperatively and postoperatively, SSQ scores were significantly higher (Δ0.75–0.82) for those aged
    Original languageEnglish
    Article number589296
    Pages (from-to)1-13
    Number of pages13
    JournalFrontiers in Aging Neuroscience
    Volume13
    DOIs
    Publication statusPublished - 25 Feb 2021

    Bibliographical note

    Copyright the Author(s) 2021. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

    Keywords

    • hearing loss
    • cochlear implant
    • speech spatial and qualities of hearing scale
    • age effect
    • hemispheric dominance
    • quality of life

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