A widely used test for autism misses some children with delays in motor, social and communication skills.

Adults on the spectrum, gender issues, and the search for autism biomarkers were among the key themes at this year’s International Society for Autism Research annual meeting.

Europe’s largest port is about to get a little busier this week as members of the autism research community pour into Rotterdam, the Netherlands, for the 17th annual International Society for Autism Research (INSAR) meeting.

A greater proportion of 3-year-old girls than boys with autism have psychiatric features such as anxiety and moodiness.

Many children eventually diagnosed with autism lose social skills between 18 months and 3 years of age. But few parents notice this trend.

The proportion of children with autism considered to be minimally verbal in a study depends on the criteria researchers use to identify them.

Children with autism show much less restraint when confronted with one of their interests, compared with their typical peers.

Pediatricians disagree with specialists 25 percent of the time on whether a child should receive an autism diagnosis.

Mutations in certain genes contribute specifically to autism, and others only to developmental delay.

Researchers have built a tablet-based tool that uses machine learning to make screening for autism easy and efficient.