PDD not otherwise specified or PDD-NOS is a pervasive developmental disorder.

PDD-NOS is a 'subthreshold' condition, in which some symptoms of autism or a similar pervasive developmental disorder can be identified, while other symptoms cannot be. Especially common is difficulty interacting with peers.

References

• Kennedy, Diane M. The ADHD-Autism Connection: A Step toward more accurate diagnosis and effective treatment ISBN 1578564980
• Website for those with PDD-NOS

External links

• Yale
• Autism Press - A general news site about autism, Asperger, and PDD-NOS that posts related articles, from emerging therapies and scientific research to advice for parents and inspirational stories.
• #McDD - Portalsite about McDD (Multiple-complex Developmental Disorder), in the DSM-IV-TR still seen as a subtype of PDD-NOS.

Psychological conditions

PDD-NOS