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Study Links Non-Right-Handedness to Mental Disorders

5/24/2025

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Summary

Story summary

A groundbreaking meta-analysis in Psychological Bulletin uncovers that people with mental or neurodevelopmental disorders are 1.5 times more likely to be non-right-handed than their healthy peers. Notably, conditions like schizophrenia and autism exhibit the strongest links, hinting that unusual handedness may reveal deeper neurocognitive differences tied to brain development and asymmetry.

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Story summary

A groundbreaking meta-analysis in Psychological Bulletin uncovers that people with mental or neurodevelopmental disorders are 1.5 times more likely to be non-right-handed than their healthy peers. Notably, conditions like schizophrenia and autism exhibit the strongest links, hinting that unusual handedness may reveal deeper neurocognitive differences tied to brain development and asymmetry.