Toddlers with autism show less fear when confronted with something scary than do typical children or those with developmental delay.

A small wristband gives caregivers a one-minute warning that an individual with autism is about to become aggressive toward himself or others.

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

Language difficulties and emotional challenges such as anxiety or aggression in children with autism at age 3 predict their social skills at around age 5.

Children with autism who participate in research beginning in infancy have less severe autism features than other children with the condition.

From a form of childhood schizophrenia to a spectrum of conditions, the characterization of autism in diagnostic manuals has a complicated history.

A 2013 initiative to find biological roots for mental health diagnoses still has broad appeal, but has not produced a dramatic shift in autism research.

A new neuroimaging device that is worn like a helmet enables researchers to map the functional activity of a person’s brain as she moves her head.

Mutations in a gene called ADNP lead to a syndrome that includes autism, intellectual disability and problems with the gut, eyesight, heart and brain.