Babies with telltale patterns of electrical activity in the brain have pronounced autism traits as toddlers.
Doctors and scientists should consider sleep problems an integral part of autism and begin to study them in more rigorous ways.
Children with autism are more likely than typical children to have had problems falling asleep as infants, and to have shown brain overgrowth.
In younger siblings of children with autism, insecure attachments to their caregivers increases the odds of being diagnosed with autism.
Children who have autistic older siblings have bigger neural responses than controls do in the brain networks that process faces.
Autistic infants as young as 6 months display subtle signs of the condition, according to a study of visual attention.