Autism vs. PDD
Bernard Rimland, Ph.D.
http://www.tomi.org/autismvpdd.htm
Let's start with the obvious: the label PDD (Pervasive Developmental Disorder) is a poorly understood, uninformative, confusing, disliked, and should be abandoned. The sooner the better. In fact, it should never have been adopted in the first place.
Over the years I have talked and corresponded with thousands of parents who have told me their child "has PDD." I often respond by saying something like, "Your child doesn't have PDD. There is no such thing as PDD. Your child may be autistic, or have a condition like autism, or many characteristics of autism, but he doesn't have PDD because there is no such thing. PDD is a label concocted by psychiatrists to cover up the fact that they don't know what your child does have."
If any parents have been distressed by this blunt, unexpected harangue on my part, I would be surprised. The vast majority seem relieved to at last hear someone giving them straight talk about PDD. Parents live with their child 24 hours a day, 7 days a week. These parents realize that their handicapped child will in all likelihood be the central focus of their lives for the rest of their lives. They want to know the truth, insofar as the truth is known. They don't want to be misled or misinformed by sugar-coated verbiage masquerading as informed fact. If we don't know the right label for their child, let's tell them that up front, rather than hide our ignorance behind the mystique of a pseudo-scientific label, presuming knowledge we don't have, like PDD.
I am very much aware that creating suitable names for "psychiatric" or "behavioral" disorders is a difficult and thankless task. Look at what we have now: Schizophrenia is Greek for "split mind." Mental retardation is a euphemism for low intelligence. Hyperactivity merely describes what everyone knows too well--the person is too active. Autistic means "day dreaming."
Until we know what causes these things we are stuck with using a somewhat descriptive term to characterize them. I'll agree to that, as a matter of necessity, but where does PDD come in?