Watch the complete replay of Dan Kennedy discussing crafting social scenarios to study autism.

Three studies suggest that clinicians need a more finely tuned screen for children younger than 20 months.

Some of the items on a common diagnostic test for autism do not translate well to African cultures.

A brain region that processes emotions tends to be smaller in children who have both autism and anxiety than in those who have autism alone.

Children with social communication disorder have the same features as children with autism; they just have fewer of the features.

Studies of infants at risk for autism have not yielded a test to predict who will eventually be diagnosed. But they have transformed our understanding of the condition.

A widely used test for diagnosing autism may miss children whose parents are not concerned that their child may have the condition.

People with autism aren’t easily surprised, the social camouflage some girls and women with autism use may preclude diagnosis, and autism-related genes are rooted deep in human ancestry.

A widely used questionnaire designed to measure anxiety flags the condition in children with autism.

Roughly 23 of every 10,000 children in India have autism, according to the country’s first rigorous estimate of autism prevalence.