Pervasive developmental disorder (PDD), any of a group of conditions characterized by early-childhood onset and by varying degrees of impairment of language ...

What is PDD-NOS? ... PDD-NOS was diagnosed prior to 2013 when an individual had impairment in social skills, the inability to successfully interact with other ...

PDDs are also sometimes referred to as autism spectrum disorders, and represent a class of disorders sharing similar features and including distinct diagnoses: ...

Historically, pervasive developmental disorder (PDD) described a group of several disparate disorders unified under the main principle of ...

Pervasive Developmental Disorder – Not Otherwise Specified (PDD-NOS) refers to a group of disorders characterised by impairment in the development of social ...

High-functioning pervasive developmental disorders (PDDs) have only recently been widely recognised; they are diagnosed mainly in children. · Key ...

The diagnostic category pervasive developmental disorders (PDD), as opposed to specific developmental disorders (SDD), is a group of disorders characterized ...

Some developmental health professionals refer to PDD-NOS as “subthreshold autism." In other words, it's the diagnosis they use for someone who has some but not ...