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Factors influencing speech perception in noise for 5-year-old children using hearing aids or cochlear implants ...
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Factors influencing speech perception in noise for 5-year-old children using hearing aids or cochlear implants ...
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Hearing Aid Fitting and Developmental Outcomes of Children Fit According to Either the Nal or Dsl Prescription: Fit-to-Target, Audibility, Speech and Language Abilities
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In: ETSU Faculty Works (2017)
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Factors influencing speech perception in noise for 5-year-old children using hearing aids or cochlear implants
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Hearing aid fitting and developmental outcomes of children fit according to either the NAL or DSL prescription: fit-to-target, audibility, speech and language abilities
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Cortical auditory evoked potentials reveal changes in audibility with nonlinear frequency compression in hearing aids for children : clinical implications
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Intelligibility of speech produced by children with hearing loss : conventional amplification versus nonlinear frequency compression in hearing aids
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Aided cortical response, speech intelligibility, consonant perception and functional performance of young children using conventional amplification or nonlinear frequency compression
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Abstract:
Objective: The aim of this study was to compare conventional processing with nonlinear frequency compression (NLFC) in hearing aids for young children with bilateral hearing loss. Methods: Sixty-four children aged between 2 and 7 years with bilateral hearing aids were recruited. Evaluations of cortical responses, speech intelligibility rating, consonant perception and functional performance were completed with the children wearing their personal hearing aids with conventional processing. The children were then refitted with new hearing aids with NLFC processing. Following a six-week familiarization period, they were evaluated again while using their hearing aids with NLFC activated. Results: The mean speech intelligibility rating and the number of cortical responses present for /s/were significantly higher when children were using NLFC processing than conventional processing in their hearing aids (p < 0.05). Parents judged the children's functional real life performance with the NLFC hearing aids to be similar or better than that with the children's own hearing aids in both quiet and noisy situations. The mean percent consonant score was higher with NLFC processing compared to conventional processing, but the difference did not reach the 5% significance level (p = 0.056). An overall figure of merit (FOM) was calculated by averaging the standardized difference scores between processing schemes for all measures. Regression analysis revealed that, on average, greater advantage for NLFC processing was associated with poorer hearing at 4 kHz. Conclusions: Compared to conventional processing, the use of NLFC was, on average, effective in increasing audibility of /s/as measured by cortical evaluations, and higher ratings on speech intelligibility and functional performance in real life by parents. On average, greater benefits from NLFC processing was associated with poorer hearing at 4 kHz. ; 9 page(s)
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Keyword:
110300 Clinical Sciences; 111400 Paediatrics and Reproductive Medicine; Children; Cortical evoked potentials; Hearing aids; Hearing loss; Nonlinear frequency compression; Speech perception
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URL: http://hdl.handle.net/1959.14/323643
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