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Theses

Implant cochléaire et dévelppement du langage chez les jeunes enfants sourds profonds

Abstract : The present thesis is made up of three studies in relation with the language development of deaf children who are cochlear implant users. The first study highlights the development of conversational language abilities of a group of 28 children during the first 2 years postimplantation. Results showed a development of their conversational skills towards a moreautonomous and active profile. In particular, initiatives taken by implanted children, two years after implantation, were very similar to that of hearing children of the same age. The second study explores the question of inter‐individual differences. The origin of inter‐individual differences regarding lexicon development (reception and production) was studied in a group of 21 profoundly hearing impaired children, implanted on average, at 6 years and 1 month. It seems that the factors « age atimplantation » and « timidity of the child » play a role in this difference. A cochlear implantation early in life and a low level of timidity appear to improve the level of lexicon development. Finally, the third study looked into the mutual adjustment factor which is a fundamental variable in the study of language development in a socio‐constructivist perspective. The evolutionof mutual adjustment was studied with an original methodology inspired by the theory of the dynamic systems in 23 implanted children / hearing mother dyads. Our results underline that the use of cochlear implant seems favorable to aharmonious mutual adjustment development. In turn, the latter allows for the acquisition of important conversational skills in subsequent language development of the child
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Julie Briec. Implant cochléaire et dévelppement du langage chez les jeunes enfants sourds profonds. Psychologie. Université Rennes 2, 2012. Français. ⟨NNT : 2012REN20054⟩. ⟨tel-00775862⟩

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