Researchers in the CPEA Network and their colleagues around the world have learned a lot about autism through genetic studies, but they stil...

In 1999, NICHD-supported scientists discovered that most girls with Rett syndrome have a change in the pattern of a single gene the Methyl-C...

In more than 99.9 percent of cases of Rett syndrome, the genetic mutation is spontaneous, meaning that it occurs randomly. Random mutations ...

Scientists don't know exactly what causes autism at this time. Much evidence supports the idea that genetic factors?that is, genes, their fu...

Williams Syndrome (WS) is a rare genetic disorder characterized by mild to moderate mental retardation or learning difficulties, a distincti...