90% aspies have normal intelligence despite what they think

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OJani
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18 Mar 2014, 4:44 pm

Rascal77s wrote:
(...)
Hi Ojani its nice to see you again. Purely for the sake of my curiosity, can you elaborate on what you found interesting about the lack of correlation between PSI scores and ADHD?

Hi Rascal, thanks. :) It's interesting primarily because there are so many cases reported that an ADHD diagnosis preceded an ASD diagnosis, and that many autistic people, especially children have traits of ADHD or even are diagnosed with it (in the study, 30%). Add to all this researches that indicate there's a genetic connection between ADHD and ASDs (some even arguing ADHD should be merged into the spectrum), and it will be quite surprising that this particular research pointed out that such subtests like coding and symbol search that require fast information processing and good hand-eye coordination at the same time, qualities that normally would be attributable to good attention and focus, are clearly more correlated with ASD symptomatology rather than ADHD.

My PSI score was also the lowest of all the four subscores, mostly following the pattern discussed in the study: PRI >VCI = WMI > PSI. I believe my WMI score (arithmetic, digit span) was somewhat boosted by some practicing and certain techniques that I used, respectively (I estimate my gain in the range approx. 10-15 on the standard IQ scale). It's interesting that contrary to the study made for the validation of the WISC-IV this time the study included all ASD diagnoses in one group (autism, AS, PDD-NOS), not only HFA or AS in two distinct groups, yet the resulting pattern follows the one of the HFA group's, which conveys the message - or at least I'd like to believe it does - that AS is only a more verbal branch of HFA folks, so HFA is actually a better way to refer to high functioning autistic people in general than AS people (and thus I can regard myself more as part of the community, being diagnosed with PDD-NOS).

Rascal77s wrote:
I would also like to add that the inspection time task mentioned in the study, where the ASD group scored on par with the neural typical group 25 FSIQ points (25 points is a HUGE difference ) above them, is a task where an image of parallel lines of unequal length is flashed for as little as 16 ms in the task involves determining which is longest or shortest. I have taken the inspection test and hit the ceiling while my coding score (PSI subtest) on the WAIS test was more than one standard deviation below the norm. According to this and other studies these results are fairly typical in ASD. My guess is that the ASD brain takes in more data than what is considered normal, and thus requires more time to process it. I guess another way of saying it would be that the ASD brain filters data differently than the neural typical brain. Of course, this would only be one factor in low PSI scores and motor demand also makes perfect sense. I don't think any one factor explains our challenges; it's not apples and oranges, it's a fruit basket. Whether there are studies on this particular topic, I don't know. I do know that you are quite well read, so if you have any information or insight on this I would appreciate your input. The following is a link just to show you an example of what I was talking about in terms of inspection time task.

http://en.wikipedia.org/wiki/Inspection_time

Thank you again, this thread has some valuable information (Verdandi never seizes to provide useful information...).

Attention deficit in my life mostly meant not being able to pull the right answer "on the fly" (apart from other concentration issues, especially when reading, which I'm rather slow at, taking into account comprehension too). As a child, and later on as a young adult, my head often teamed with lots of information and thoughts with often uncommon associations between them. I wasn't exactly happy about it because I wanted to achieve more, study more, get better grades, and overall be a better pupil/student. My attention deficit on classes sometimes resulted in mild hyperactive behavior (doing some other things instead of listening, some wiggling, playing with objects). When I concentrated on interesting tasks, e.g. mathematics, arithmetics, my mind was somewhat slow, because I wanted to know the answer right on time, but the answer my mind come up with first had often been erroneous, I had to "re-think" or verify a lot, often in multiple cycles. Perhaps this was the dawn of my high level of critical-sense, I don't know. So, in my opinion, some of the slowness I experience may have an underlying cause closely related to not being able to keep a "straight thought process", in other words, being "inattentive".

I agree with you that - at least partly - slowness may be the result of taking in too much detail at a time, even unconsciously. When there's insufficient filtering, our minds may suppress the unwanted stimuli, like when suppressing the view of the less able eye, thus suppressing not only the invaluable, but - to a lesser degree - the valuable information, too.



TPE2
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18 Mar 2014, 7:46 pm

Si_82 wrote:
following the letter of the diagnostic literature, fully correct diagnoses does stipulate in no uncertain terms that a below average intelligence disqualifies diagnosis.


No; what disqualifies diagnosis is "clinically significant delay in cognitive development or in the development of age-appropriate self-help skills, adaptive behavior (other than in social interaction), and curiosity about the environment in childhood."

"Clinically significant delay n cognitive development" and "below average intelligence" are different things - the first usually means an IQ < 70 (probably 2% of the population); the second means, I think, an IQ < 100 (50% of the population).

And there is the usually forgotten "in childhood" in the end of the criteria (people with mental retardation can be diagnosed with AS if the MR only becomes visible later); form the DSM-IV: "In contrast to Autistic Disorder, Mental Retardation is not usually observed in Asperger's Disorder, although occasional cases in which Mild Mental Retardation is present have been noted (e.g.,when the Mental Retardation becomes apparent only in the school years, with no apparent cognitive or language delay in the first years of life)"