Julia Reid, Robert T Dwyer, Smita Agrawal, Christine M Mitchell, Meredith Ouellette, Nancy Mellon
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Investigating Bimodal Fitting Solutions in Children.
Purpose: The effectiveness of a dedicated bimodal hearing aid and fitting formula was investigated in pediatric cochlear implant recipients who were experienced Desired Sensation Level (DSL) v5.0 users.
Method: In Experiment 1, five children assessed four hearing aid fittings based on combinations of fitting formula (Adaptive Phonak Digital Bimodal [APDB], DSL v5.0, APDB fit to DSL v5.0 targets), hearing aid type (dedicated hearing aid for bimodal listeners, independent hearing aid), and/or prescriptive targets. Speech recognition scores were obtained in a sound booth in quiet and in noise. In Experiment 2, two participants from Experiment 1 were retested with an updated bimodal system.
Results: Bimodal speech recognition in quiet in both experiments was similar across all fitting formulas. In Experiment 1, bimodal speech recognition in noise was similar across fitting formulas; however, both in noise and in quiet, individual differences were observed. In Experiment 2, optimized APDB improved speech recognition in noise performance compared to APDB and similar performance compared to DSL v5.0 in a small set of bimodal listeners.
Conclusion: Preliminary results point to the value of individualized selection of hearing aid fitting formula settings for pediatric bimodal recipients.
期刊介绍：
Mission: AJA publishes peer-reviewed research and other scholarly articles pertaining to clinical audiology methods and issues, and serves as an outlet for discussion of related professional and educational issues and ideas. The journal is an international outlet for research on clinical research pertaining to screening, diagnosis, management and outcomes of hearing and balance disorders as well as the etiologies and characteristics of these disorders. The clinical orientation of the journal allows for the publication of reports on audiology as implemented nationally and internationally, including novel clinical procedures, approaches, and cases. AJA seeks to advance evidence-based practice by disseminating the results of new studies as well as providing a forum for critical reviews and meta-analyses of previously published work.
Scope: The broad field of clinical audiology, including audiologic/aural rehabilitation; balance and balance disorders; cultural and linguistic diversity; detection, diagnosis, prevention, habilitation, rehabilitation, and monitoring of hearing loss; hearing aids, cochlear implants, and hearing-assistive technology; hearing disorders; lifespan perspectives on auditory function; speech perception; and tinnitus.
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