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Although I don't know any publications exactly on that matter it is possible to be true. So please treat this as a speculation. People with Asperger Syndrome (or High-Functioning Autism) have higher attention to detail and tend to build more rigid structures in their minds (while neurotypicals may have more error-tolerant but less efficient structures). So ...


7

ADHD is not 'caused' by a brain structure. However, there are observable differences in the brains of ADHD sufferers compared to non-ADHD sufferers. For example, ADHD sufferers have a disproportionately greater decrease in volume in the left side of the prefrontal cortex, as well as the posterior parietal cortex. In addition, there is typically a reduction ...


6

General thoughts on factors influencing test-retest correlations From a theoretical perspective, it makes sense that groups that experience temporary states that lower state intelligence or lead to a poorer test taking orientation would have lower test-retest cognitive test correlations. By lower state intelligence, I'm referring to states of being such as ...


4

Like all psychiatric disorers, ADD and ADHD are diagnosed using a set of criteria listed in the Diagnostic and Statistical Manual of Mental Disorders, or DSM The latest version is the DSM-IV-TR. The DSM-V is due out in 2013 and may change these criteria. Diagnosis is expected to be done by a licensed professional who is able to assess these criteria. From ...


3

How do the rationality and logical thought processes those with and without ADHD compare? Please explain the source of this difference. Is the difference thought to be caused by dopamine, serotonin or norepinephrine or some other neurological explanation. ADHD is typically associated with a reduction in dopamine and/or norepinephrine. Though the two ...


2

Your question is very broad. But from my reading of the literature, my hypothesis would be that there wouldn't be a difference in the degree to which learning curves are logistic. In a very general sense, learning generally involves the accumulation of a vast number of smaller components. Some components are easier to acquire than others and some yield ...


2

There actually is the same kind of controversy over depression. The French documentary Dépression, une épidémie mondiale nicely summarizes how a well-meant change in diagnostic criteria (from DSM-IV to DSM-5) backfired and the pharmacoceutical industry now use this to diagnose every sadness or exhaustion as depression with the intention to sell drugs and ...


2

Sounds to me like someone is making a logical fallacy here, though the origin of this fallacy isn't clear to me. We cannot go from 'poor academic performance', to 'not amounting to anything', to 'having a low IQ'. These are not relationships of cause and effect. The motivation to do something ('amount to something', if you will) is driven primarily by the ...


1

Alright- neurodiversity vs neurotypical label aside, here is the definition of ADHD http://www.cdc.gov/ncbddd/adhd/diagnosis.html Here is the best example I could find which demonstrates effect of ADHD on mathematical reasoning: http://ldq.sagepub.com/content/16/1/6.short Here is a comparison between learners who are nonverbal, who have aspergers, and ...


1

Whether or not there is truth to this theory, a ketogenic diet cannot 'eliminate ADHD symptoms'. ADHD is an impairment of executive functioning. Executive dysfunction is thought to be linked to a deficit in dopamine, as well as functional frontal lobe pathology. (1) There are certainly other theories as to what causes the disorder, and they are likely a ...


1

If you don't focus, then your efficiency easily drops to 50% of other people. But if the task is truly engaging you, you work 200% compared to other people and you forget everything else. This has a name: Hyperfocus! Like distractibility, hyperfocus is thought to result from abnormally low levels of dopamine, a neurotransmitter that is particularly ...



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