A February study that tied several new genes to autism contained a large statistical error, according to a report from 14 independent researchers; the original team is working on issuing a correction.

The idea that one residential model is appropriate for the entire spectrum of intellectual and developmental disability is patently absurd.

Understanding autism features in children who were deprived of social contact as infants could offer clues to the condition.

Mutations in a gene called TRIP12 — which is involved in tagging proteins for destruction — can lead to intellectual disability, language delay and autism.

Most children with autism go undiagnosed until after age 3, and many of these children remain undiagnosed until after they reach school age.

A massive sequencing study spanning seven countries links 38 new genes to autism and developmental delay.

Exposure to influenza and a lack of sunlight may drive the increased risk of autism.

Parents of girls with autism are significantly less likely than those of boys with the condition to voice concerns about their child’s social behavior.

High levels of chemicals called polychlorinated biphenyls in a pregnant woman’s blood may raise the risk of autism in her child.

Watch the complete replay of Maureen Durkin’s webinar, in which she discussed the epidemiology of autism and intellectual disability, including changes in the prevalence of each condition.