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Le développement psychologique d'enfants sourds porteurs d'un implant cochléaire : études longitudinale et transversale

Abstract : Cochlear implantation allows profoundly deaf children to develop their production and their comprehension of oral language. However, clinicians and researchers highlight the existence of an important interindividual variability in post-implantation outcomes even in the case of early intervention. The aim of our work was then to bring out factors involved in the perception, communication, speech and language development of implanted children. Some endogenous variables (such as global development, verbal and non-verbal cognitive development, or age at implantation) and exogenous variables (such as environmental characteristics) were taken into account. Therefore, we performed two monocentric studies. The first, a longitudinal study, involved 7 children aged between 10 and 36 months at the pre-implantation assessment. They were evaluated every 3 months during the first year after implant activation. The second, a transversal study, involved 26 children aged between 6 and 10 years implanted since 6 years and 2 months on average. We proposed to the children several tests commonly used by clinicians and researchers and two perceptive tests designed for this present research. Both of our studies show evidence that cochlear implant outcomes depend on characteristics already present before implantation (such as age, pre-implantation development level, and communication type) and on cognition, communication and perception factors developed after the activation of the implant. Furthermore, our results show, in both studies, that family participation is a crucial factor for the strong linguistic development of profoundly deaf cochlear implanted children.
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Submitted on : Thursday, June 16, 2016 - 11:36:20 AM
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  • HAL Id : tel-01332607, version 1

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Aurore Berland. Le développement psychologique d'enfants sourds porteurs d'un implant cochléaire : études longitudinale et transversale. Psychologie. Université Toulouse le Mirail - Toulouse II, 2014. Français. ⟨NNT : 2014TOU20117⟩. ⟨tel-01332607⟩

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