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    The nature of speech and language impairment in adults with neurofibromatosis

    Lorch, Marjorie and Ferner, R.E. and Golding, J. and Whurr, R. (1999) The nature of speech and language impairment in adults with neurofibromatosis. Journal of Neurolinguistics 12 (3-4), pp. 157-165. ISSN 0911-6044.

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    We evaluated the frequency, nature and severity of language, speech, reading and writing impairments in 30 adults with NF1. Spontaneous speech was recorded and selective language tasks were administered, as well as oral reading, written picture description, the NART and verbal ¯uency tasks. A distinctive pro®le of speech impairment was identi®ed, with hypernasality and abnormal rate, volume, pitch and articulation. Language function was relatively preserved but we detected a range of di�culties in the production of written language including spelling, dysgraphia, formation of cursive writing and lack of punctuation. Verbal fluency was markedly reduced in phonemic as opposed to semantic category generation. The cause of these patients' speech and writing disorders has not been determined but they may be due to a combination of impaired motor coordination and an inability to plan and sequence complex tasks.


    Item Type: Article
    Keyword(s) / Subject(s): neurofibromatosis 1, speech disorder, reading disorder, developmental disorder
    School: Birkbeck Faculties and Schools > Faculty of Humanities and Social Sciences > School of Creative Arts, Culture and Communication
    Depositing User: Marjorie Lorch
    Date Deposited: 11 Oct 2007
    Last Modified: 09 Aug 2023 12:29


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