Researchers have engineered two generations of monkeys with mutations in SHANK3, a top autism gene. The first generation shows traits reminiscent of the condition.

Autistic children may be more likely than their unaffected siblings to carry mutations in genes linked to sleep.

Depression may show up in children with autism in an unusual way — most commonly as insomnia and restlessness.

Heightened sensory perception in toddlers with autism may predict sleep problems at around age 7.

Scientists have created five monkey clones, all carrying an edit to a specific gene.

About one in three autistic people in the United Kingdom is prescribed drugs designed to alter brain function.

Watch the complete replay of Christine Wu Nordahl discussing new ways to expand participation in autism brain-imaging studies.

Children with autism are more likely to have both sleep problems and constipation than would be expected based on the prevalence of each of those conditions.

An electrical brain implant all but erased the obsessions that had consumed Becky Audette, years after her autism diagnosis. Could similar implants help other people with severe autism?

More than half of people on the spectrum have four to five other conditions. Which conditions, and how and when they appear, varies from one autistic person to the next.