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 ...

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 ...

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 ...

- Does your child avoid eye contact, have little or no interest in making new friends or prefer solitary activities to social games? These may be signs that your child has an autism spectrum disorder.

standardized tests of intelligence, language, adaptive functioning, and any other areas in which deficits are suspected (eg, motor development); and screening for hearing loss, identifiable genetic ...

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 ...