人工内耳装用児の言語・認知神経心理学的諸能力 : 装用年齢の異なる症例での比較検討

概要

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We followed and investigated about the speech-language and cognitive-neuropsychological abilities of two cases, started wearing cochlear implant(CI in the followings) from different ages. And we compared and examined the effects of the age of started wearing CI on the development of them. The results were as follows; Case-A started wearing CI in age of 2, he could achieve the normal developmental level as his calendar age on speech-language and cognitive-neuropsychological abilities. Case-B started wearing CI in age of 6, it was remarkable he restarted in order of his recognition of vocabulary, verbal-intelligence, abilities of articulation, speech-hearing, for the lateness of started wearing the hearing aided devices. It was suggested that they could have the possibility of acquisition of speech-language abilities practically using their hearing, if we would have CI worn on them before age of 3.