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The assessment of language in children with learning disabilities, hearing disabilities and in children with a mental re

The assessment of language in children with learning disabilities, hearing disabilities and in children with a mental retardation. A. Desoete, M. Dhondt, M. Schittekatte, W. Kort, & E. Compaan. Introduction. A lot of variance between and within individuals on language

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The assessment of language in children with learning disabilities, hearing disabilities and in children with a mental re

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  1. The assessment of language in children with learning disabilities, hearing disabilities and in children with a mental retardation • A. Desoete, M. Dhondt, M. Schittekatte, W. Kort, & E. Compaan

  2. Introduction • A lot of variance between and within individuals on language • Within language: ≠ receptive vs. expressive • ≠ form vs. content vs processing (working memory) • Spec. lang. impair. (SLI) : prevalence 6-9% (Tombin et al.,1997). • Comorbidity: 39% LD children has problems with language (Bilthoven et al. (2005), Rejno-Habte Selassie et al.,2005).

  3. Research questions • Do children with LD have problems with language related skills? Is LD a language deficit? • Is there a homogeneous deficit in LD in all facets: receptive/ expressive, content/form and working memory? • → compare with mental retardation • → compare with hearing deficit

  4. Method • Subjects • 42 (18 boys) LD = learning disabilities (23 DL, 15 DC, 4 DL+DC) • 24 HD = hearing disabilities (transition & perception deficit) • 33 MD = mental retardation: TIQ 50-70 • Instruments • CELF-4NL : 5-18 years/ 16 subtests • receptive & expressive language • The core profiles and 5 index scores (receptive language, expressive language, content index, form index and working memory index)

  5. CELF-4NL Receptive language index • Following instructions • Word category : receptive • Semantic relationships • Answering questions

  6. CELF-4NL Productive language index • Repetition of sentences • Production of sentences • Word category 2: expressive • Vocabulary • Naming objects

  7. CELF-4NL Language content index • Following instructions • Definition of words • Word category : Total • Active vocabulary • Text comprehension • Answering questions on an orally presented text

  8. CELF-4NL Language form index • Repetition of sentences • Production of sentences • Combining words to a sentence

  9. CELF-4NL Working memory index • Repetition of numbers • Repetition of series • Days, months, counting backwards

  10. CELF-4NL Speed of Naming

  11. CELF-4NL • Core index: General language • Receptive Language Index • Expressive Language Index • Language content index • Language form index • Working memory/ Executive funtioning

  12. LD core deficit? Definition of words LD < HD

  13. Receptive language

  14. Expressive language Definition of words LD < HD Below average on word categories: what words go together

  15. Content index Definition of words LD < HD

  16. Form index Grammar, making sentences LD > HD

  17. STM/ Working memory Digitspan forward LD < HD No ≠ digitspan backward No ≠ verbal fluency

  18. Conclusion: • LD ≠ language deficit on all aspects STM : numbers Definition of words Rapid naming Comprehension of texts Make sentenses

  19. EF? • Mental retardation: deficit on all aspects of language • LD < Hearing disabilities • Definition of words • STM/Working memory (numbers) • Rapid naming • Hearing disabilities < LD • Comprehension of texts • Building sentenses (grammar)

  20. Limitations • Small sample size • LD = combination of dyslexia and dyscalculia • Language dependent • Prevalence dyslexia :1 % (China, Japan phonologically shallow orthographies) – 5% (Germandy) – 20% (Eng.speaking countries: phonologically deep orthographie) Dutch between phonologically deep and shallow orthographies

  21. Implications • What you test is what you get: • Selection of test is important (bias!) • Test receptive/ expressive, form/ • content facets • LD = ‘some’ language related prob lems – Important to assess language!

  22. More information • annemie.desoete@ugent.be FEDERATION OF BELGIAN REHABILITATION CENTRES Supported by:

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