Girls with autism may show fewer repetitive behaviors than boys because of structural differences in brain regions that control movement.

People with autism may ignore visual input when coordinating their movements — a lapse that may contribute to both motor and social impairments.

Autism will cost the U.S. $268 billion this year — a price expected to balloon to $461 billion by 2025.

The brains of young children with autism show abnormally dense connections involving the frontal lobe. The excess wiring may disrupt the development of social and language circuits.

Combining two genetic tests with a physical exam may flag young children at risk for autism years earlier than behavioral assessments do.

Some infants who are later diagnosed with autism have trouble holding up their heads or following objects with their eyes as early as 6 months of age.

Up to 40 percent of children with autism are overweight or obese, but there is no single risk factor and no easy solution to the problems this brings.

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The most detailed depiction of an individual brain to date shows that the connections in a person’s brain vary significantly over the course of a year and a half.

Visual processing irregularities in autism are subtle and depend on the child’s age, gender and task at hand.