Impact of Auditory Training on Speech Recognition and Quality of Life in Adults with Cochlear Implants

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Abstract

Auditory training (AT) plays a critical role in optimizing speech perception outcomes for adults with cochlear implants (CIs). This literature review explores the impact of auditory training on auditory skills development for adults using cochlear implants (CIs). Cochlear implants have revolutionized hearing rehabilitation, yet many recipients face challenges in adapting to the new auditory signals. Auditory training, which involves structured exercises designed to enhance listening skills, has been proposed as a method to improve auditory outcomes in CI users. This review synthesizes findings from various studies, highlighting that auditory training can lead to significant improvements in speech recognition, especially in challenging listening environments, and improves overall auditory processing. A qualitative summary of 23 studies sourced from PubMed, Scopus, and CINAHL revealed that all but four studies reported significant improvements in at least one measured or patient-reported outcome following auditory training. However, the outcomes are highly variable, with some studies reporting minimal or no benefits, likely due to differences in training protocols, duration, and participant characteristics. A major limitation across studies is the lack of standardized training programs and the small sample sizes, which hinder the generalizability of results. Moreover, the long-term effects of auditory training remain underexplored. Despite these limitations, the evidence suggests that individualized auditory training could be a valuable component of post-implantation rehabilitation, warranting further research to optimize and standardize these interventions.

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