We hypothesize that Duchenne muscular dystrophy and autism spectrum disorder/pervasive developmental disorder co-occur with a greater than random frequency. In this study, we set out to reject the ...

Pervasive developmental disorders (PDD) — now known as autism spectrum disorder (ASD) — refers to a group of conditions that affect average development. It may appear as a delay in development of ...

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 ...

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 ...

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 ...