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Sensorimotor functioning and communication in mute autistic children.

F Curcio

    Journal of Autism and Childhood Schizophrenia
    |September 1, 1978
    PubMed
    Summary
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    Sensorimotor functioning in mute autistic children was assessed. Poor gestural imitation, but not object permanence, correlated with communication, with an absence of protodeclarative gestures noted.

    Area of Science:

    • Developmental Psychology
    • Neurodevelopmental Disorders
    • Communication Sciences

    Background:

    • Autism Spectrum Disorder (ASD) is a neurodevelopmental condition characterized by social communication deficits.
    • Sensorimotor development plays a crucial role in early communication acquisition.
    • Mute autistic children present unique challenges in understanding communication development.

    Purpose of the Study:

    • To characterize the sensorimotor functioning of mute autistic children.
    • To investigate the relationship between sensorimotor skills and nonverbal communication abilities.
    • To explore prelinguistic communication patterns in this population.

    Main Methods:

    • Utilized Uzgiris and Hunt (1975) sensorimotor scales (object permanence, gestural imitation, means-end, causality).

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  • Assessed twelve mute autistic children aged 4 years 9 months to 12 years.
  • Analyzed sensorimotor performance in relation to nonverbal communication indicators.

    • Main Results:

    • Children performed significantly lower on gestural imitation (9/12 below Stage V) compared to object permanence (all scored Stage V or above).
    • Object permanence and Stage III imitation skills appeared to be minimal prerequisites for intentional communication.
    • No spontaneous use of "protodeclarative" gestures (e.g., showing objects) was observed.

    Conclusions:

    • Sensorimotor deficits, particularly in imitation, are evident in mute autistic children.
    • Specific sensorimotor milestones may be necessary but not sufficient for intentional communication.
    • The absence of protodeclarative gestures suggests a distinct prelinguistic developmental pathway in some autistic children.