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Tactile function of educable mentally retarded children.

A McCracken

    The American Journal of Occupational Therapy : Official Publication of the American Occupational Therapy Association
    |August 1, 1975
    PubMed
    Summary

    Children with intellectual disabilities show deficits in tactile perception and a high prevalence of tactile defensiveness. These sensory processing challenges may impact their development of communication skills.

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    Area of Science:

    • Neuroscience
    • Developmental Psychology
    • Occupational Therapy

    Background:

    • Tactile perception is crucial for sensory integration and motor development.
    • Children with intellectual disabilities often exhibit atypical sensory processing.
    • Understanding tactile deficits is key to supporting developmental progress.

    Purpose of the Study:

    • To evaluate tactile perception abilities in children with intellectual disabilities.
    • To assess the incidence of tactile defensive behaviors in this population.
    • To explore the relationship between tactile processing and symbolic communication.

    Main Methods:

    • Administered tactile perception subtests from the Southern California Sensory Integration Tests.
    • Observed children for tactile defensive behaviors during testing.
    • Compared performance against normative data of typically developing children.

    Main Results:

    • Children with intellectual disabilities performed significantly worse in manual form, finger identification, graphesthesia, and simultaneous stimuli perception.
    • No significant difference was found in the localization of single stimuli.
    • 62% of the children displayed tactile defensive behaviors.

    Conclusions:

    • Children with intellectual disabilities exhibit specific deficits in tactile sensory processing.
    • Tactile defensiveness is common in this group, potentially interfering with learning and daily activities.
    • Impaired tactile perception may hinder the development of symbolic communication skills.

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