essential vs complex autism | Autism PDD

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so where do the 10% of savants fit in

savantism is has complex as any ASD and that also his male dominant

spectrummum39323.6380555556The numbers are approxiamately the same as the percentage of other
"causes" of autism like brain injury, developmental issues associated with
some pre-mature births, tuberous sclerosis, etc. etc.

The rest seems to be genetic.

Children with Complex Autism make up about 20% of the autistic population. They tend to have lower IQs, more physical and brain abnormalities including microcephaly,  and are just as likely to be boys as girls. Essential Autism is male dominated, seven boys to every one girl, and sufferers tend to have less seizures plus a higher IQ. An important difference between Complex and Essential is that Complex is not hereditary where as Essential can be.

http://www.myomancy.com/2005/09/different_types

Has this forum discussed this already? Has anyone had this mentioned in doctor visits.

I agree with this article, I have always thought hereditary has played a role with my son being dx with Asperger's. There are relatives that are on both sides of the family that show signs of Asperger's, most are older and have never been Dx, but we all know something is  different with these relatives.  No, I'd never heard this before.  But it is an interesting article and it seems to make sense.I also have never heard of this before an, as the article says, this is a theory suggested by a doctor in Missouri.  It would be interesting to test this theory.  The ONLY criteria for being dx'd with autism at this point is to meet the criteria for Autism in the DSM-IV.  Otherwise, a child can meet the criteria for PDD-NOS, Asperger's, Rett's or CDD.  Those are the only 5 lists of criteria to qualify, medically, as having a PDD (colloquially, ASD).  Any other theories, while interesting, have yet to be proven.  But there is a ton of funding out there these day to prove theories.  We're all standing by until medical science finally does get a PROVEN connection between autism and genetics (or anything else).I have heard of this theory before, but then again, I'm pretty perseverative myself, with this stuff

The main point I got was that two readily measurable attributes -- dysmorphology and head circumference -- could be used to classify autism into two groups: 

1)  Complex autism, ie those where something went wrong with embryonic development, which resulted in both physical features and autistic behaviors.

2) Essential autism, which runs more in families and doesn't affect physical features.

The study made a good point that it's hard to make good research conclusions when study participants are a diverse group.  We all know that autism covers a whole spectrum, so I can easily see that point. 

It seems like this method of doing a "rough sort" into two types of autism could be a step in the right direction for researchers, but probably doesn't have much practical application at the moment.

Thanks for sharing the link.

Where do people fit in who both have autism running in their families and who have unusual physical features?
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