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Autism and Expansion
Back in May I wrote a post about ideas that underly the mechanical cause of autism. Quickly, the idea there is that an autistic child's brain is growing faster than it can establish structures used by most people to process information. Dr. Eric Courchesne is lead author on a paper that focuses on just such a mechanism as the cause of Autism.
The paper reports that boys with autism have 67% more brain cells than nurotypical brains and weigh 17.6% more. This means that the individual brain cells are smaller than normal and that has been looked at as being a possible cause in the past. However this new paper is suggesting, just as I did, that it's the overproliferation of cells that could be the actual cause.