Among 6,577 8-year-olds diagnosed with autism spectrum disorder using the DSM-IV-TR criteria, 81% retained the diagnosis under the DSM-5 criteria, according to a CDC study published in the journal JAMA Psychiatry. Under the new diagnostic criteria, children must show all of three known deficits in social communication as well as have two of four restricted or repetitive patterns of behaviors to be diagnosed with ASD.

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