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Receptive language processing of Down's syndrome children.

X Y Hartley

    Journal of Mental Deficiency Research
    |December 1, 1982
    PubMed
    Summary

    Children with Down syndrome exhibit specific language processing deficits, particularly in sequential and syntactic tasks, unlike spatial processing. This suggests potential right hemisphere language dominance impacting their development.

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    Area of Science:

    • Linguistics
    • Developmental Psychology
    • Neuroscience

    Background:

    • Children with Down syndrome often face language and cognitive challenges.
    • Understanding specific linguistic deficits is crucial for targeted interventions.
    • Previous research suggests atypical brain lateralization in Down syndrome.

    Purpose of the Study:

    • To investigate the specific language processing abilities of children with Down syndrome.
    • To compare their performance on sequential, syntactic, and spatial tasks with other groups.
    • To explore the implications of findings for language development theories in Down syndrome.

    Main Methods:

    • Administered the Token Test for Children (Di Simoni, 1978) to three groups: children with Down syndrome, other intellectual disabilities, and non-retarded children.
    • Matched groups on Peabody Picture Vocabulary Test (PPVT) scores and chronological age (CA) or PPVT scores alone.
    • Analyzed performance differences across sequential, syntactic, and spatial/simultaneous processing tasks.

    Main Results:

    • Children with Down syndrome performed significantly worse on sequential and syntactic processing tasks compared to non-Down syndrome children.
    • No significant deficits were observed in spatial/simultaneous processing tasks for the Down syndrome group.
    • Both groups of children with intellectual disabilities generally scored lower than the non-retarded group.

    Conclusions:

    • Down syndrome is associated with specific weaknesses in sequential and syntactic language skills.
    • These deficits may relate to atypical language processing, potentially involving right hemisphere dominance.
    • Findings highlight the need for tailored language support for children with Down syndrome.

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