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Related Experiment Videos

The development of laterality.

I B Perelle, L Ehrman

    Behavioral Science
    |October 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    This study investigated the genetic basis of laterality using Drosophila and human data, finding inconclusive evidence. Three potential causes for left-handedness in humans were proposed: pathological, natural, and learned.

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    Area of Science:

    • Neuroscience
    • Genetics
    • Human Biology

    Background:

    • Laterality, the preference for using one side of the body, is a complex trait.
    • Understanding the genetic underpinnings of laterality is crucial for developmental and neurological research.

    Purpose of the Study:

    • To investigate the potential genetic basis for human laterality.
    • To explore the etiologies contributing to left-handedness.

    Main Methods:

    • Analysis of experimental data from Drosophila.
    • Review of observational data from human studies.

    Main Results:

    • Evidence for a direct genetic basis of laterality was found to be inconclusive.
    • Data suggests laterality is not solely determined by genetics.

    Conclusions:

    • Left-handedness in humans may stem from multiple factors.
    • Proposed etiologies include pathological, natural, and learned influences on handedness.