Autism-linked genes evolved rapidly in humans. They may have aided brain growth and language. A recent study published in Molecular Biology and Evolution by Oxford University Press suggests that the relatively high prevalence of Autism Spectrum Disorders in humans may be rooted in evolutionary history. In the United States, roughly one in 31 children (3.2%) […]



Summary

A new study suggests autism-linked genes evolved rapidly in humans, potentially contributing to brain growth and language development. This rapid evolution, while beneficial, may also explain the relatively high prevalence of Autism Spectrum Disorders (ASD). The research, published in Molecular Biology and Evolution, proposes that genes associated with autism played a role in the evolution of complex cognitive abilities in humans. The fact that roughly one in 31 children in the United States have been identified with ASD may be linked to this evolutionary trade-off.

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