In the four years I worked at the University of Pennsylvania (1999-2003), I directed a randomized controlled clinical trial assessing the effectiveness of a brief cognitive therapy intervention for ...

A: PDD-NOS stands for Pervasive Developmental Disorder – Not Otherwise Specified. Essentially, it is a diagnosis that means “on the autism spectrum, but not falling within any of the specific ...

Is there a way to eliminate the confusion between autism and pervasive developmental disorder not otherwise specified (PDD-NOS)? It is often more difficult to obtain services for children in ...

Because boys outnumber girls with PDD, relatively little research has focused on girls. Most existing studies have centered on 2 forms of PDD--autism and Rett disorder. The ratio of boys to girls with ...