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pgd
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21 Dec 2010, 11:20 am

Sports concussions (football, soccer, ice hockey, etc.) - What's the evidence, in your view, of concussions / sports concussions being a cause for some cases of autism? Asperger's? ADHD?

Also, shaken baby syndrome / non-standard birth process/delayed birth process - complications/delivery by forceps, attention deficit(s), etc.



wavefreak58
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21 Dec 2010, 11:22 am

No.


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CK9
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21 Dec 2010, 12:01 pm

Interesting question.

There are multiple neurological differences between autistic people and NT people; the amygdala in particular is reportedly different in autistic people in terms of its activity and the way it communicates with other regions of the brain. Whether a concussion or head injury can reproduce those differences is hard to say, though I'm inclined to say it's unlikely but not impossible.

For example. there have been cases where concussions and various head injuries have led to the development of savant abilities. Of course that isn't autism, but it's an example of how a neurological trait generally considered to be innate can appear due to environmental factors.

According to the Intense World Theory of autism, the amygdala in autistic people is hyperactive and hyperplastic. As injury generally leads to loss of function it's difficult to conceive of a way that the brain could be injured in such a way to render the amygdala of a normal person hyperactive and hyperplastic. We would also need to consider the other regions of the brain implicated in autism. Taken together, it does seem unlikely that a head injury could reproduce those specific changes, but then again there's so much about the brain and about autism we don't know.



Callista
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21 Dec 2010, 12:03 pm

Quote:
Sports concussions (football, soccer, ice hockey, etc.) - What's the evidence, in your view, of concussions / sports concussions being a cause for some cases of autism? Asperger's? ADHD?
Nope. They can cause traumatic brain injuries, though.

Quote:
Also, shaken baby syndrome / non-standard birth process/delayed birth process - complications/delivery by forceps, attention deficit(s), etc.
Has been connected to cerebral palsy, but never to autism. Most CP is already there at birth, but complications and very early brain injuries account for some of it.

Autistic babies are more likely to have been premature; but this is also true of other developmental disabilities. Most likely, the cause-and-effect is the other way around: The birth was premature because the baby is autistic.


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Ravenclawgurl
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21 Dec 2010, 12:18 pm

the only way i can see that hapening is if it happens at a young age BEFORE the diagnosis and it causes moderate to sesevere MR. then it can prevent the diagnosis of asperger's because in order to have asperger's you cant have have MR



wavefreak58
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21 Dec 2010, 1:07 pm

CK9 wrote:
Interesting question.

There are multiple neurological differences between autistic people and NT people; the amygdala in particular is reportedly different in autistic people in terms of its activity and the way it communicates with other regions of the brain. Whether a concussion or head injury can reproduce those differences is hard to say, though I'm inclined to say it's unlikely but not impossible.

For example. there have been cases where concussions and various head injuries have led to the development of savant abilities. Of course that isn't autism, but it's an example of how a neurological trait generally considered to be innate can appear due to environmental factors.

According to the Intense World Theory of autism, the amygdala in autistic people is hyperactive and hyperplastic. As injury generally leads to loss of function it's difficult to conceive of a way that the brain could be injured in such a way to render the amygdala of a normal person hyperactive and hyperplastic. We would also need to consider the other regions of the brain implicated in autism. Taken together, it does seem unlikely that a head injury could reproduce those specific changes, but then again there's so much about the brain and about autism we don't know.


It seems to me that it is possible for a brain injury to cause symptoms that mimic autism, but autism emerges without any injury (known injury, at least). I suppose if autism is simply a list of symptoms and behaviors and the underlying cause of those symptoms and behaviors is irrelevant, then just about anything that induces an autistic profile could be considered a cause.


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MidlifeAspie
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21 Dec 2010, 2:35 pm

pgd wrote:
Sports concussions (football, soccer, ice hockey, etc.) - What's the evidence, in your view, of concussions / sports concussions being a cause for some cases of autism? Asperger's? ADHD?

Also, shaken baby syndrome / non-standard birth process/delayed birth process - complications/delivery by forceps, attention deficit(s), etc.


NO



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21 Dec 2010, 3:08 pm

The results of the brain injury might mimic autism/ADHD but it wouldn't actually be either of these because they are there from birth. I have seen a documentary about brain injuries and some of the people on there did appear autistic/ADHD.


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MidlifeAspie
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21 Dec 2010, 3:54 pm

If head injuries caused autism it would have been figured out a long time ago. That is a very simple cause and effect and very easy to perform a study on. Get a group of 1000 autism diagnoses and ask how many have suffered a head injury. I would be flabbergasted if this had not already been studied and rejected considering the extreme lengths parts of the community go to in trying to find a cause (mercury, intestinal flora, etc).



MasterJedi
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21 Dec 2010, 4:01 pm

wavefreak58 wrote:
No.


^this

you think if it was caused by something, people would take measures to prevent that causal event?



Callista
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21 Dec 2010, 5:38 pm

There is a theory that autistic infants are more vulnerable to shaken baby syndrome because they don't make eye contact with their mothers and don't calm quickly when picked up. Those who would shake a baby are more likely to shake an autistic one than an NT.


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PangeLingua
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21 Dec 2010, 5:55 pm

I had a couple of mild concussions in high school but I had autistic traits from infancy. I was a very difficult baby.



KenG
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22 Dec 2010, 11:45 am

There is a significant diagnostic overlap between ‘mild’ acquired brain injuries and Asperger’s syndrome: http://www.autismsupportnetwork.com/new ... abi-667654


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Callista
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22 Dec 2010, 1:23 pm

We're more vulnerable to abuse, and we're clumsier... makes sense to me; both those things can give you head injuries.


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MidlifeAspie
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22 Dec 2010, 2:14 pm

Callista wrote:
We're more vulnerable to abuse, and we're clumsier... makes sense to me; both those things can give you head injuries.


The question was if head injuries cause autism, not if autism causes head injuries. I would agree with the latter statement :lol: