This entry was posted on Friday, January 27th, 2012 at 4:26 pm and is filed under Autism Information, Autism Research. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
Abnormality in Brain Structure to Blame?
, 01 27th, 2012
As far as researchers know, there is no single identifiable cause of autism. The working theory is that there are multiple causes of autism, some environmental and some genetic. Evidence published in 2011 suggests that abnormalities in brain structure and biochemical makeup may be to blame, or at least may be an indicator that a child is on the spectrum.
The study proposed that about 20 percent of autism is caused by biological issues including prenatal thalidomide or contraction of rubella during pregnancy. The brains of these children develop abnormally early in life, with the brain remaining one or two percent larger than a non-autistic brain. The study also found abnormalities in the cerebral cortex of some autistic children’s brains.
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