The Lancet, October 2016
This is a randomised controlled trial of a parent-mediated social communication intervention for children aged 2–4 years with core autism to investigate whether early intervention can improve long-term autism symptom outcomes. The results are the first to show long-term symptom reduction after a randomised controlled trial of early intervention in autism spectrum disorder. They support the clinical value of the PACT intervention and have implications for developmental theory.
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