Yeah, I know of the research paper (it's a that new one, right?); I'm speaking of the clinical view that the majority of individuals with autistic disorder score lower than 70-80 on standardized tests; which is the truth (I'm sure this is due to a greater level of verbal impairment rather than broad mental retardation--if it were the latter, those with only MR would be autistic, which isn't the case). I'm still of the opinion that autism can manifest in all levels of intelligence, as well as AS too, but that's just me twisting all of what I've read to make sense to me.
So a quarter or so of those with AD will score in the normal range on standardized IQ tests due to having a less severe verbal impairment ("HFA"). That actually works out as I read..., skimmed a paper by Gillberg before that said HFA is 1/2000, where AS is far more common. "LFA" and "HFA" together is around 1 in 500/1000 or so, so 1/2000 for "HFA" seems close enough.
I also found something interesting, one "only" needs two points from two of the three areas outlined in the DSM for PDD-NOS (social must be a part of it), i.e., 1 in social, 1 in repetitive, and then one has "atypical AS" [if it negatively affects them]. I can see why PDD-NOS is the most common diagnosis.
22 Apr 2008, 10:49 am
