One sign of autism appears in early infancy
Boys who go on to develop autism begin losing interest in other people's eyes between 2 and 6 months of age, according to a study published in Nature, as reported by the Simons Foundation Autism Research Initiative. This is the earliest sign of autism that has been reported. Researchers used eye tracking equipment to measure what babies looked at when they viewed a video of a woman addressing the camera as though she were talking to a baby. Return to News section.