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KMID : 0361020210640020070
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Korean Journal of Otolaryngology - Head and Neck Surgery
2021 Volume.64 No. 2 p.70 ~ p.76
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Efficacy of a Closed-Set Auditory Training Protocol on Speech Recognition of Adult Hearing Aid Users
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Jeong Ji-Young
Bahng Jung-Hwa
Lee Jae-Hee
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Abstract
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Background and Objectives : Auditory training involves active listening to auditory stimuli,and it has garnered attention in recent years because it enhances speech-in-noise recognitionand the satisfaction of hearing aids. The purpose of this study was to determine the efficacy ofa closed-set auditory training protocol for adult hearing aid users. We also evaluated the retentioneffect of training at a 1-month follow-up test after the completion of training.
Subjects and Method : Twenty-two hearing-impaired listeners who have used bilateral hearingaids for more than two months participated in this study. Out of 22 participants, 12 participants(training group, TG) received an 8-week auditory training while 10 participants did notreceive any training (non-training group, NTG). For training, three types of closed-set trainingmaterials (environmental sounds, words, and sentences) were used. The training was conductedeight times over eight weeks (one session per week, about one hour per session). The difficultylevel was adjusted by controlling the number of closed-set choices and the signal-to-noise ratios.
To determine the efficacy of training, open-set speech recognition abilities and subjectivehearing aid satisfaction were evaluated.
Results : All the open-set speech recognition performances of the TG were enhanced after theclosed-set auditory training, while the performance of the NTG was not significantly changed.
The auditory training had a positive impact on the TG individuals’ subjective satisfaction ofhearing aids. The improvement from training was maintained over one month after the completionof the auditory training.
Conclusion : The closed-set auditory training protocol might lead to enhanced speech understandingas well as more satisfaction with hearing aids for adult hearing aid users.
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KEYWORD
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Auditory rehabilitation, Closed-set auditory training, Hearing aid user
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