The mutation increases the activity of an autism-linked protein and leads to social difficulties and other behavioral differences in mice.

The variants are associated with slight differences in measures of intelligence, income and employment, but the relationship may not be causal.

The discovery could help clinicians diagnose children who carry mutations in the gene, called SCN2A, and gauge their responses to potential therapies.

The NIH neurologist talks about her research, her family and how mental health labels can be limiting.

Triplett gained media attention for his autism later in life, and he became the face of the effort to research the lives of older adults with autism.

The findings may explain why the average age at diagnosis has plateaued at 4 years old.

A renowned researcher’s eye for detail has given her a second career and a new following.

The finding underscores a need for adult autism diagnostic services.

Minimally verbal autistic preschoolers gained new words and phrases in a head-to-head comparison of two interventions.

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