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Het werkgeheugen van jongeren met een lichte verstandelijke beperking

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Kind en adolescent

Abstract

Van der Molen, M. J., Van Luit, J. E. H., Jongmans, M. J., & Van der Molen, M. W. (2007). Verbal working memory in children with mild intellectual disabilities, Kind en Adolescent, 28 (3), 135-148.

This study examines verbal working memory in children with mild intellectual disabilities (mid) within Baddeley’s framework (1986). Multiple assessments of working memory were administered in 50 children with mid (iq 55-85, mean age 15:03 years), 25 chronological age-matched control children (ca; mean age 15:03 years) and 25 mental age-matched control children (ma; mean age 10:10 years). The results show that the children with mid perform poorly on working memory tests when compared with ca children, while there are minimal differences compared with the performance of the ma children, although the phonological loop, which is responsible for the temporary storage of verbal information, is constrained compared with the ma children. These findings are consistent with a developmental delay account of mild intellectual disability.

Keywords: working memory, central executive, mild intellectual disabilities.

Samenvatting

In dit onderzoek is het verbale werkgeheugen onderzocht van jongeren met een lichte verstandelijke beperking (lvb) volgens Baddeley’s model (1986). Daartoe zijn verschillende werkgeheugentests afgenomen bij 50 kinderen met een lvb (iq 55-85, gemiddelde leeftijd 15;03 jaar), 25 op chronologische leeftijd gematchte controlekinderen (cl; gemiddelde leeftijd 15;03 jaar) en 25 op mentale leeftijd gematchte controlekinderen (ml; gemiddelde leeftijd 10;10 jaar). De resultaten tonen aan dat de kinderen met een lvb minder goed presteren op vrijwel alle werkgeheugentests dan de cl-kinderen, terwijl er nauwelijks verschillen zijn ten opzichte van de ml-kinderen. Een zwak punt is de fonologische lus, die zorgt voor de tijdelijke opslag van verbale informatie: deze is wel beperkter dan die van de ml-kinderen. De resultaten wijzen op een ontwikkelingsachterstand van het werkgeheugen voor kinderen met een lvb en een relatief zwak verbaal kortetermijngeheugen.

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Authors and Affiliations

  1. www.bsl.nl/shop/kind-en-adolescent-0167-2436.html

    Mariët J. van der Molen

Authors
  1. Mariët J. van der Molen
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  2. Hans E. H. van Luit
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  3. Marian J. Jongmans
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  4. Maurits W. van der Molen
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Corresponding author

Correspondence to Mariët J. van der Molen.

Additional information

Mevr. drs. M. J. van der Molen, psycholoog bij Kwadrant en onderzoeker bij de capaciteitsgroep Algemene Pedagogiek en Orthopedagogiek van de Universiteit Utrecht.

Contactadres: mevr. drs. M. J. van der Molen, capaciteitsgroep Algemene Pedagogiek en Orthopedagogiek, Universiteit Utrecht, postbus 80140, 3508 TC Utrecht, e-mail: M.J.vanderMolen@uu.nl

Dr. J. E. H. van Luit, universitair hoofddocent en senior onderzoeker leerproblemen, capaciteitsgroep Algemene Pedagogiek en Orthopedagogiek van de Universiteit Utrecht.

Mevr. prof. dr. M. J. Jongmans, hoogleraar gehandicaptenzorg, capaciteitsgroep Algemene Pedagogiek en Orthopedagogiek van de Universiteit Utrecht.

Prof. dr. M. W. van der Molen, hoogleraar programmagroep Ontwikkelingspsychologie van de Universiteit van Amsterdam.

Dit onderzoek werd mogelijk gemaakt door fondsen van Stichting Steunfonds ’s Heeren Loo, Stichting tot Steun vcvgz en Kwadrant. Dank aan de kinderen en hun docenten voor deelname aan dit onderzoek. Dank ook aan Paul Eling en Gerty Lensveld-Mulders voor hun adviezen.

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van der Molen, M.J., van Luit, H.E.H., Jongmans, M.J. et al. Het werkgeheugen van jongeren met een lichte verstandelijke beperking. KIAD 28, 88–96 (2007). https://doi.org/10.1007/BF03061026

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