Auditory Training Using Remembering the Order of Sentences for the Elderly Who Wear Hearing Aids: Is it Effective for Speech Perception in Noise, Working Memory and Reasoning Ability?

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Purpose: The present study examines auditory training outcomes in terms of speech perception in noise, working memory, reasoning ability, and subjective hearing aid satisfaction. Methods: Ten older adults who wear hearing aids (mean age: 71.6) voluntarily participated in the study. For the training material, 78 sentence sets composed of 3 to 5 sentences were used. During the auditory training, participants tried to remember the order of sentences. Among the 78 sentence sets, 45 contained clues and the rest did not. Each participant underwent assessments including speech perception in noise and digit spans and reasoning test and completed a self-report hearing aid satisfaction questionnaire both pre- and post-auditory training. The participants completed eight sessions of the auditory training. Results: The results showed a statistically significant increase in speech recognition ability in noise, short-term memory, and working memory, as well as satisfaction with hearing aid use. Despite a slight increase on the reasoning test, there was no statistically significant improvement.Conclusion: The results of this study suggested that the auditory training in remembering the order of sentences improved speech perception in noise, sensory and working memory, and subjective satisfaction with hearing aids. Future research can investigate more effective auditory training tools to improve the various cognitive skills and communication ability of older adults who wear hearing aids.