A paper in Molecular Biology and Evolution finds that the relatively high rate of autism-spectrum disorders in humans is likely due to how humans evolved in the past. The paper is titled “A general principle of neuronal evolution reveals a human accelerated neuron type potentially underlying the high prevalence of autism in humans.”



Summary

A new study in Molecular Biology and Evolution proposes that the elevated prevalence of autism spectrum disorder (ASD) in humans is linked to our evolutionary past. The paper, "A general principle of neuronal evolution reveals a human accelerated neuron type potentially underlying the high prevalence of autism in humans," suggests that unique aspects of human neuronal evolution, specifically the development of certain neuron types, may inadvertently contribute to a higher susceptibility to ASD. This research implies that genetic changes that were beneficial for human evolution might also carry an increased risk for developing ASD.

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