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Left-right comparison and children's performance on sensorimotor tests.

B J Zung

    Journal of Clinical Psychology
    |November 1, 1985
    PubMed
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    This study found that overall performance level (OPL) and lateral deviation measures are largely independent. Motor asymmetry showed a slight link to slower performance on specific tasks in young children.

    Area of Science:

    • Neuropsychology
    • Motor Control
    • Developmental Psychology

    Background:

    • Assessing fine motor skills in children is crucial for understanding neurodevelopment.
    • Lateral deviation and overall performance level are key metrics in motor skill assessment.
    • Previous research has explored the relationship between these metrics with varying results.

    Purpose of the Study:

    • To compare overall performance level (OPL) with lateral deviation measures from two tasks.
    • To investigate the relationship between OPL and lateral deviation in kindergarten entrants.
    • To determine if OPL and lateral deviation are confounded or independent constructs.

    Main Methods:

    • Administered a composite finger localization task (FLT) and a speeded pegboard task (SPT) to 92 kindergarten entrants.

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  • Calculated laterality indices and overall performance level (OPL) from task scores.
  • Analyzed the interrelationships between laterality indices and OPL for each task.

    • Main Results:

    • Laterality indices were highly interrelated within each task.
    • Lateral deviation was generally unrelated to OPL on the finger localization task.
    • A modest relationship was observed between lateral deviation and OPL on the speeded pegboard task, suggesting diminished motor asymmetry with slower performance.

    Conclusions:

    • Overall performance level (OPL) and lateral deviation are not mutually confounded.
    • These measures provide relatively independent sources of information for neuropsychological assessments.
    • Using both OPL and lateral deviation in a complementary manner enhances the accuracy of neuropsychological inferences.