Changes to the DSM-5’s diagnostic criteria for autism were meant to add clarity, but instead they generated new questions.

Experiments offer clues to why certain mutations are associated with autism in some people and not others.

Autistic toddlers who receive a personalized intervention at about 18 months of age gain more abilities than those who start the therapy nine months later.

Profound autism prevalence rose from 2002 to 2016, though not nearly as much as non-profound autism did.

In this edition of Null and Noteworthy, researchers upend early interventions and diagnostic boundaries.

By revealing differences between autistic and non-autistic children, it could help identify autism in babies.

In this inaugural episode, Lord discusses her entry into autism research, what the future of the field might look like, and how drama club saved her in high school.

About 1 in 36 children in the United States has autism, up almost 20 percent from the previous estimate, reflecting improved identification, particularly among girls and Black, Hispanic and Asian or Pacific Islander children.

The Modified Checklist for Autism in Toddlers (M-CHAT) accurately flags autistic toddlers, a new systematic review and meta-analysis suggests, contrary to past evidence that the tool’s validity varies depending on a child’s age and traits. Experts weigh in on the discrepancy.

Early treatment with nutritional supplements and a high-protein diet forestalls some neurodevelopmental problems for children with BCKDK deficiency.