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Related Experiment Video

Updated: Jul 31, 2025

Symmetric Bihemispheric Postmortem Brain Cutting to Study Healthy and Pathological Brain Conditions in Humans
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Using rare genetic mutations to revisit structural brain asymmetry.

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    This summary is machine-generated.

    Rare genetic variations significantly impact brain asymmetry, affecting cognitive functions like language and facial recognition. This study reveals how large genomic changes influence brain lateralization and human-specific traits.

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    Area of Science:

    • Neurogenetics
    • Cognitive Neuroscience
    • Human Genetics

    Background:

    • Brain asymmetry is crucial for advanced cognitive functions like language and facial recognition.
    • Previous genetic studies on brain asymmetry primarily used common variants with small effect sizes.
    • Investigating rare, high-effect-size genetic variations offers insights into brain organization and behavior.

    Conclusions:

    • Rare genomic variations, particularly CNVs, have a substantial impact on brain asymmetry.
    • Genetically controlled brain lateralization influences human-specific cognitive traits.
    • This study provides a gene-brain-behavior map highlighting the role of genetic alterations in brain lateralization.