She came across one special education director who used the wrong acronym for pervasive developmental disorder.

The severity of pervasive developmental disorders varies by individual.

The children suffer from a wide range of ailments, including autism and pervasive developmental disorder.

Others said "pervasive developmental disorder," or some combination.

But on the other side of that range, what did it include, social difficulty, pervasive developmental disorder, Asperger's, what's the universe there?

At the age of three, he was diagnosed with pervasive developmental disorder, a form of high-functioning autism.

People with autism, a pervasive developmental disorder, have impaired communication.

He was diagnosed with pervasive developmental disorder, a form of autism, at age three.

The social and cognitive impairments seen in patients suffering from pervasive developmental disorders can be attributed due to mind blindness.

Autism and Asperger's syndrome are closely related pervasive developmental disorders.