Rett Syndrome Directory
Rett syndrome is one of the autism spectrum disorders. It is mainly diagnosed in young girls. Follow the links below to find WebMD's comprehensive coverage about how Rett syndrome is caused, symptoms, how to treat it, and much more.
Rett Syndrome: What Are the Symptoms and How is it Treated?
Rett syndrome is a rare neurological disease that affects mostly girls. Learn the symptoms and how this disorder is treated.
Pervasive Development Disorders: What Are They?
Pervasive developmental disorders (PDDs) are now called autism spectrum disorder. Find out what it means.
What Does the Word ‘Autism’ Mean?
You hear a lot of talk nowadays about autism. But what exactly does that word mean? WebMD explains.
Can Autism Be Prevented?
There’s a lot of talk in the media about autism -- especially about what causes it. But can you prevent it? WebMD examines the myths and the truth.