Dr. Alessandri answers the question: 'PDD-NOS vs. Pervasive Dev. Disorder?' Oct. 23, 2008 -- Question: How does PDD-NOS differ from pervasive developmental disorder? Answer: PDD-NOS differs ...

There are hundreds of questions floating around about PDD like What are Pervasive Developmental Disorders?, Is there any treatment?, and What is the prognosis?. In this article we try to answer some ...

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 ...

Purpose: A genetics evaluation of children with pervasive developmental disorders (PDDs) identifies a diagnosis in 6% to 15% of cases. However, previous studies have not measured the incidence of ...

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 ...