How well autistic children perform daily-living tasks tracks with their language skills and autism traits.

People who have mutations in a gene called PHF21A tend to have a constellation of traits and conditions, including autism.

Studies of the brain’s sensory system may provide unique insight into the brain mechanisms that underlie autism and could point to possible treatments.

Autistic people have long maintained that repetitive behaviors are beneficial. Emerging evidence in support of this idea is shaping new therapies.

Adults with autism are more than twice as likely as neurotypical people to be diagnosed with an anxiety disorder.

Children born with high blood levels of vitamin D have 25 percent decreased odds of autism compared with those born with low levels.

Autistic people who carry mutations in a gene called PTEN have distinct behavioral and motor problems.

Children with autism are about twice as likely as their typical peers to experience chronic or repeated pain.

Autism is unusually common among people with congenital blindness, in part because the ability to see drives much of brain development.

At least one in three autistic children has significant movement difficulties, according to a large study.