Autism/Pervasive Developmental Disorder Fact Sheet

Autism/Pervasive Developmental Disorder (PDD) is a neurologicaldisorder that affects a child's ability to communicate, understand language, play, and relate to others. PDD represents a distinct category of developmental disabilities that share many of the same characteristics. The different diagnostic terms that fall within the broad meaning of PDD, include: Autistic Disorder, Asperger?s Disorder, Rett's Disorder, Childhood Disintegrative Disorder, and Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS).