Publications by authors named "W A Knijff"

Objective: Analysis of a clinical population referred for language analysis in terms of background variables and extent of language problems.

Design: Descriptive study.

Materials And Methods: Children referred to a speech and hearing clinic because of assumed language problems were analyzed with standardized tests for language comprehension (Dutch version of the Reynell Developmental Comprehension Scale) and language production (Schlichting test for sentence development).

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Guanidinoacetate N-methyltransferase (GAMT) deficiency is a defect in the biosynthesis of creatine (Cr). So far, reports have not focused on the description of developmental abilities in this disorder. Here, we present the result of formal testing of developmental abilities in a GAMT-deficient patient.

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Objective: Analysis of treatment recommendation given by speech therapists. Evaluation of the language abilities in the examined children and re-examination of those abilities after 12 months.

Materials And Methods: Thirty-four children, aged between 2.

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Objective: this article discusses the effect of speech therapy on language comprehension, language production and non-verbal functioning in two groups of children with developmental language disorders.

Design: retrospective study-a follow-up after a mean of 2 years.

Materials And Methods: verbal and non-verbal functioning before and after therapy were examined in 31 language-impaired children with normal hearing and good health.

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