Pupil response suggests autistic people have atypical activity in a part of the brain that regulates attention.

Autistic infants as young as 6 months display subtle signs of the condition, according to a study of visual attention.

Analyzing five sleep-related factors reveals associations between sleep troubles in autistic children and problem behaviors during the day.

Many people with autism have difficulty falling and staying asleep, but there may be ways to help them.

A collection of rare genetic variants associated with autism and schizophrenia also seem to increase a person’s odds of having attention deficit hyperactivity disorder.

The severity of autism tracks closely with that of attention deficit hyperactivity disorder.

The gaze of children as young as 16 months old may help predict whether they have autism and reveal finer-grained details, such as their verbal and social abilities.

The popularity of mobile devices offers families the promise of communication with their autistic child, but success is more than a click away.

Genetics may govern a person’s ability to pay attention to social cues.

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