Dr. Michael Alessandri answers the question: 'What is PDD-NOS?' Oct. 23, 2008 -- Question: What is pervasive developmental disorder -- not otherwise specified (PDD-NOS)? Answer: Pervasive ...

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 ...

Pervasive developmental disorders (PDDs) are characterized by varying degrees of impairment in communication skills, social interactions, and restricted, repetitive and stereotyped patterns 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 ...

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 ...

TOKYO -- A network of 10 groups of adults with developmental disorders was launched here on July 15 with the aim of making their voices better heard in society, amid a rising number of people ...