Neuromotor development and language processing in developmental dyspraxia: A follow-up case study

Author(s): VaivreDouret, L., Payan, C., Cohen, H.

Journal/Book: J Clin Exp Neuropsychol. 2000; 22: P O Box 825, 2160 Sz Lisse, Netherlands. Swets Zeitlinger Publishers. 408-417.

Abstract: A longitudinal study of a child (MV) with developmental verbal dyspraxia was conducted to determine to what extent language development and motor performance in this clinical diagnosis followed a similar course of maturation. Patient MV was observed for two years from the age of 5 years and 6 months. Initially, this young patient exhibited unintelligible and atypical speech production (multiword utterances without consonants), delay in balance and coordination, and impairments in rhythmic tasks; but she was otherwise developing normally with no intellectual impairment or behavioral disorder. MRI scans showed moderately enlarged ventricles, a thin, incompletely myelinated corpus callosum and intact basal ganglia. Two years later, MV's performance was nearly normal only in comprehension aspects of language. In contrast, production aspects of language and speech and neuromotor development showed very little improvement after two years. These observations first suggest that development of receptive and expressive domains within language may be asynchronous, and that the progression of motor control of language appears to follow a parallel course to neuromotor development.

Note: Article Le Normand MT, Hop La Pitie Salpetriere, Bat Nlle Pharm, 47 Bld Hop, F-75651 Paris 13, FRANCE

Keyword(s): CHILDREN; DISORDERS; OLD

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