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Auditory training improves auditory performance in cochlear implanted children

Abstract : While the positive benefits of pediatric cochlear implantation on language perception skills are now proven, the heterogeneity of outcomes remains high. The understanding of this heterogeneity and possible strategies to minimize it is of utmost importance. Our scope here is to test the effects of an auditory training strategy, "sound in Hands", using playful tasks grounded on the theoretical and empirical findings of cognitive sciences. Indeed, several basic auditory operations, such as auditory scene analysis (ASA) are not trained in the usual therapeutic interventions in deaf children. However, as they constitute a fundamental basis in auditory cognition, their development should imply general benefit in auditory processing and in turn enhance speech perception. The purpose of the present study was to determine whether cochlear implanted children could improve auditory performances in trained tasks and whether they could develop a transfer of learning to a phonetic discrimination test. Material and methods: Nineteen prelingually unilateral cochlear implanted children without additional handicap (4-10 year-olds) were recruited. The four main auditory cognitive processing (identification, discrimination, ASA and auditory memory) were stimulated and trained in the Experimental Group (EG) using Sound in Hands. The EG followed 20 training weekly sessions of 30 min and the untrained group was the control group (CG). Two measures were taken for both groups: before training (T1) and after training (T2). Results: EG showed a significant improvement in the identification, discrimination and auditory memory tasks. The improvement in the ASA task did not reach significance. CG did not show any significant improvement in any of the tasks assessed. Most importantly, improvement was visible in the phonetic discrimination test for EG only. Moreover, younger children benefited more from the auditory training program to develop their phonetic abilities compared to older children, supporting the idea that rehabilitative care is most efficient when it takes place early on during childhood. These results are important to pinpoint the auditory deficits in CI children, to gather a better understanding of the links between basic auditory skills and speech perception which will in turn allow more efficient rehabilitative programs. (C) 2016 Elsevier B.V. All rights reserved.
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01416302
Contributeur : Lead - Université de Bourgogne <>
Soumis le : mercredi 14 décembre 2016 - 12:28:02
Dernière modification le : mercredi 19 août 2020 - 12:08:11

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Stephane Roman, Françoise Rochette, Jean-Michel Triglia, Daniele Schön, Emmanuel Bigand. Auditory training improves auditory performance in cochlear implanted children. Hearing Research, Elsevier, 2016, 337, pp.89 - 95. ⟨10.1016/j.heares.2016.05.003⟩. ⟨hal-01416302⟩

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