http://www.nichcy.org/Disabilities/Specific/Pages/Autism.aspx
This document also available in Spanish
National Dissemination Center for Children with Disabilities, U.S. Department of Education
This fact sheet defines Autism/Pervasive Developmental Disorder (PDD), a neurological disorder that affects a child’s ability to communicate, understand language, play, and relate to others. It offers tips and resources for parents and teachers.