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Autism Spectrum Disorders Health Center

Pervasive Development Disorders Directory

Pervasive development disorders (PDDs) are a variety of developmental conditions that can cause problems with socializing, communicating, and using imagination. Some types of PDDs include autism, Rett syndrome, Asperger's syndrome, and more. There are therapies and classes that can help children and families affected by PDDs. Follow the links below to find WebMD's comprehensive coverage about how pervasive development disorders are caused, symptoms of these conditions, treatments that are available, and much more.

Medical Reference


Thumbnail: Temple Grandin’s Story: A Remarkable Woman With Autism

In a new film biography, renowned animal scientist Temple Grandin -- perhaps America's most famous person with autism -- is played by Claire Danes.

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Symptoms within the first 2 years of a child’s life.
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