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Henricson C.,Swedish Institute for Disability Research SIDR | Henricson C.,Linnaeus Center for Research on Hearing and Deafness | Henricson C.,Linköping University | Wass M.,Swedish Institute for Disability Research SIDR | And 10 more authors.
International Journal of Pediatric Otorhinolaryngology | Year: 2012

Introduction: Usher syndrome is a genetic condition causing deaf-blindness and is one of the most common causes of syndromic deafness. Individuals with USH1 in Sweden born during the last 15 years have typically received cochlear implants (CI) as treatment for their congenital, profound hearing loss. Recent research in genetics indicates that the cause of deafness in individuals with Usher type 1 (USH1) could be beneficial for the outcome with cochlear implants (CI). This population has not previously been the focus of cognitive research. Objective: The present study aims to examine the phonological and lexical skills and working memory capacity (WMC) in children with USH1 and CI and to compare their performance with children with NH, children with hearing-impairment using hearing-aids and to children with non-USH1 deafness using CI. The participants were 7 children aged 7-16 years with USH1 and CI. Methods: The participants performed 10 sets of tasks measuring phonological and lexical skills and working memory capacity. Conclusions: The results indicate that children with USH1 and CI as a group in general have a similar level of performance on the cognitive tasks as children with hearing impairment and hearing aids. The group with USH1 and CI has a different performance profile on the tests of working memory, phonological skill and lexical skill than children with non-USH1 deafness using CI, on tasks of phonological working memory and phonological skill. © 2012 Elsevier Ireland Ltd.

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