Abstract
BackgroundThe objective of this study was to evaluate the effect of “Spatially separated speech in noise” auditory training on the ability of speech perception in noise among bimodal fitting users.The assumption was that the rehabilitation can enhance spatial hearing and hence speech in noise perception. This study was an interventional study, with a pre/post-design. Speech recognition ability was assessed with the specific tests. After performing the rehabilitation stages in the intervention group, the speech tests were again implemented, and by comparing the pre- and post-intervention data, the effect of auditory training on the speech abilities was assessed.Twenty-four children of 8–12 years who had undergone cochlear implantation and continuously used bimodal fitting were investigated in two groups of control and intervention.ResultsThe results showed a significant difference between the groups in different speech tests after the intervention, which indicated that the intervention group have improved more than the control group.ConclusionIt can be concluded that “Spatially separated speech in noise” auditory training can improve the speech perception in noise in bimodal fitting users. In general, this rehabilitation method is useful for enhancing the speech in noise perception ability.
Highlights
The objective of this study was to evaluate the effect of “Spatially separated speech in noise” auditory training on the ability of speech perception in noise among bimodal fitting users
Children with unilateral cochlear implant suffer from lower abilities of localization and spatial hearing than their normal hearing counterparts; bimodal fitting can provide them with the advantage of binaural hearing [1]
This study investigated the influence of SPIN Speech in Noise Auditory Training (AT) on the improvement of speech perception in noise among Bimodal fitting (BF) children aged between 8 and 12 years (The reason for choosing this age range was that this age range is the age of education, and in this regard, they are considered important ages.)
Summary
The objective of this study was to evaluate the effect of “Spatially separated speech in noise” auditory training on the ability of speech perception in noise among bimodal fitting users. After performing the rehabilitation stages in the intervention group, the speech tests were again implemented, and by comparing the pre- and post-intervention data, the effect of auditory training on the speech abilities was assessed. Children with unilateral cochlear implant suffer from lower abilities of localization and spatial hearing than their normal hearing counterparts; bimodal fitting can provide them with the advantage of binaural hearing [1]. Studies into BF users undergoing conventional auditory training have shown that despite the addition of spectral cues, improvement of signal reception conditions, and improvement of speech perception in quiet and noise, they are still far from their normal peers, especially in speech perception in noise performance [3]; this gap can be narrowed with appropriate rehabilitation techniques.
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