I designed the (hopefully) simple graphic below to help people understand the family of Autism Spectrum Disorders — as outlined in the DSM-IV — and how they relate to one another (click on the image to see a larger version). I did not include Rett's Disorder or Childhood Disintegrative Disorder, as they usually receive their own diagnoses apart from an ASD.

As you can see, much of the confusion comes from the duplicative use of terms like PDD and ASD at both the category and sub-category levels.
It's important to note that the just-approved DSM-V subsumes both PDD-NOS and Aspergers into one category called, quite simply, Autism. In addition, a new category called Social Communication Disorder has been created to hopefully account for children who don't meet the new ASD criteria but still have deficits in the key areas of communication and social skills.
//
Let me know what you think on Twitter: @1asddad







Here's a moment of pure, unadulterated joy. The twins (C on the left, M on the right) seem to be growing closer lately. Part of it may be more intensive group play during C's ABA therapy, but I suspect another reason is that we've begun to explain to M what is happening with his brother.
A quick thought my wife shared today: "There are days when I really see how hard this boy works to focus his brain enough to hold the spoon and bring it to his mouth with cereal on it, to sit still and put his feet through his pant leg, to bring his face towards his father's and say 'bye daddy.' I watch him trudge off to school so trustingly on the school bus, the noise of the world and the street so hard on him. My love for this boy just slays me."