Pervasive Developmental Disorders (PDD) / Autism Spectrum Disorders (ASD)
Pervasive developmental disorder (PDD) refers to a group of disorders characterized by delays in the development of socialization and communication skills. There are several types of pervasive developmental disorder, more commonly known as autism spectrum disorder (ASD). The three main types of ASDs include: autism; Asperger's syndrome; and Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS). There are also two rare ASDs: Rett syndrome and Childhood Disintegrative Disorder.
National Dissemination Center for Children with Disabilities (NICHCY): Autism Spectrum Disorders
IAN (Interactive Autism Network): About ASDs
IAN (Interactive Autism Network): Challenging Behaviors of ASDs
Autism:
Symptoms of Autism NOT Listed in the Diagnostic Literature
Autism Resource, Acronyms, Terms, Jargon: Terms and Definitions You'll Need to Know
National Institute for Mental Health
Autism Speaks
Autism Society of America
Autism Collaboration
Top Treatments for Autism
National Institute of Neurological Disorders and Stroke (NINDS) Autism Fact Sheet
Asperger's Syndrome:
Asperger's Disorder
OASIS@MAAP
Online Asperger Syndrome Information and Support (OASIS) center has joined with MAAP Services for Autism and Asperger's Syndrome.
LD and Aspergers: Understanding the Differences
Pervasive Developmental Disorder - Not Otherwise Specified (PDD - NOS):
What is PDD-NOS?
Autism Speaks: PDD-NOS
Rett Syndrome:
Autism Speaks: Rett Syndrome
International Rett Syndrome Foundation
Childhood Disintegrative Disorder:
Childhood Disintegrative Disorder
National Dissemination Center for Children with Disabilities (NICHCY): Autism Spectrum Disorders
IAN (Interactive Autism Network): About ASDs
IAN (Interactive Autism Network): Challenging Behaviors of ASDs
Autism:
Symptoms of Autism NOT Listed in the Diagnostic Literature
Autism Resource, Acronyms, Terms, Jargon: Terms and Definitions You'll Need to Know
National Institute for Mental Health
Autism Speaks
Autism Society of America
Autism Collaboration
Top Treatments for Autism
National Institute of Neurological Disorders and Stroke (NINDS) Autism Fact Sheet
Asperger's Syndrome:
Asperger's Disorder
OASIS@MAAP
Online Asperger Syndrome Information and Support (OASIS) center has joined with MAAP Services for Autism and Asperger's Syndrome.
LD and Aspergers: Understanding the Differences
Pervasive Developmental Disorder - Not Otherwise Specified (PDD - NOS):
What is PDD-NOS?
Autism Speaks: PDD-NOS
Rett Syndrome:
Autism Speaks: Rett Syndrome
International Rett Syndrome Foundation
Childhood Disintegrative Disorder:
Childhood Disintegrative Disorder