I think it is a construct worthy of some reflection, so I will detail it here. The concept was Pervasive Adult Developmental Disorder.

A: PDD-NOS stands for Pervasive Developmental Disorder – Not Otherwise Specified. Essentially, it is a diagnosis that means “on the autism spectrum, but not falling within any of the specific ...

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 ...

Pervasive Development Disorder- Not Otherwise Specified (PDD-NOS) This is another mild type of ASD, with children exhibiting symptoms like delays in language development, walking, and other motor ...