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Related Experiment Videos

Patterns of lateral preference: hand, eye, thumb and clapping.

A L Combs

    Perceptual and Motor Skills
    |December 1, 1983
    PubMed
    Summary

    This study examined four lateral preferences in college students, finding the strongest link between handedness and hand-clapping. Right-sided preferences showed greater consistency than left-sided ones.

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    Area of Science:

    • Neuroscience
    • Human Biology
    • Psychology

    Background:

    • Lateral preference, encompassing handedness and eye dominance, is a fundamental aspect of human biology.
    • Understanding the patterns and coherence of multiple lateral traits is crucial for insights into brain lateralization and cognitive function.

    Purpose of the Study:

    • To investigate the incidences of four distinct lateral preferences in a college student sample.
    • To analyze the patterns of these lateral traits and identify significant concurrences beyond chance levels.
    • To compare the coherence between right-sided and left-sided preferences.

    Main Methods:

    • Surveyed 143 college students (81 women, 62 men) on four lateral preferences: writing hand, eye dominance (Asher technique), upper thumb in hand clasp, and upper hand in hand clap.
    • Developed a computer program to analyze all possible patterns of these lateral traits.
    • Determined the incidence of each pattern and identified those occurring significantly above chance.

    Main Results:

    • The strongest paired lateral concurrence observed was between handedness and hand-clapping, with 76.9% concordance across both sexes.
    • A greater degree of coherence was found among right-sided lateral preferences compared to left-sided preferences.
    • The study identified various patterns of lateral trait combinations within the sample.

    Conclusions:

    • Handedness and hand-clapping exhibit a strong association, suggesting a potential shared neurological basis.
    • Right-sided lateral preferences demonstrate higher consistency, indicating potential differences in the lateralization process between right and left sides.
    • Further research into the interplay of multiple lateral traits can enhance our understanding of brain lateralization.

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