As they age, children with fragile X syndrome may become worse at adapting to change, according to a study published 28 July in Pediatrics.

The controversial theory that characterizes autism as the result of an ‘extreme male brain’ gets fresh support from a large new survey, but critics are skeptical.

Children with autism often appear to be clumsy, but in fact the disorder may protect them from injury, suggests a study published in the July-August issue of Academic Pediatrics.

Having one child with autism raises the odds of having a second child with the disorder 20-fold, according to one of the largest epidemiological studies so far to address the inheritance of autism risk.

A new questionnaire may help assess sensory problems — such as heightened awareness of bright colors or loud noises — in adults with autism.

The number of people in a study, the proportion of male and female participants, and many other factors can affect research on sex differences in autism, says Thomas Frazier.

Middle-school girls are more willing to include their classmates with autism in social activities after completing an awareness program.

The cortex, the outer layer of the brain, grows rapidly in early childhood in people with autism and thins differently with age than it does in controls, two new studies report.

People with autism tend to carry mutations that duplicate or delete several genes at once, according to a large study published 1 May in the American Journal of Human Genetics.

A new policy that aims to eliminate gender bias in animal and cell-based biomedical research is outlined in the 15 May Nature.