Stories about: circuit development

Why does brain development diverge in autism?

Many autism spectrum disorders (ASDs) are marked by apparently normal development in infancy followed by a tragic loss of cognitive, social and language skills starting at 12 to 18 months of age. ASDs are increasingly seen as a disorder of synapses, the connections between neurons that together form brain circuits.

What hasn’t been clear is why children with ASDs go off the normal trajectory after meeting their early developmental milestones. But now there may be a hint of an explanation.

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