What causes autism

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Yes, there has not been a conclusive agreement within the medical community as to what the cause is of the various problems that come under the ASD banner.

ASD is known as a neurological developmental disorder. In plain English, this means that the neural networks of the individual with this disorder develop differently to how "normal" peoples neural networks develop.

During the evaluation process, clinical psychologists will ask all sorts of questions to determine if any of the known factors are present that are considered possible causes of the disorder. some of these factors will include:

Was the patient born prematurely?
Was there any problems with the pregnancy?
Was the patient's birth problematic?
Was there any problems during early developmental years? For example, any accidents?

It is possible that these conditions are possible contributory factors.

For example, in my own particular circumstance, I was born prematurely.
When i was born, the placenta was extremely thin, according to the doctor and midwife who performed the birth, the placenta would not normally have been thick or healthy enough to keep a kitten alive.

Then, when i was born, I was born discolored due to oxygen starvation and during the birth I stopped breathing for over 2 minutes. This would have caused brain damage as well as damage to my lungs.

Also, during the early years, as i was a toddler, i had an accident where i landed on my head.
When i was 3, i also had an accident falling down the stairs in the house we lived in.

So all the above are the types of things that may be factors, although, my mum has many ASD traits which are common to me, but she had a normal birth and up bringing.

So.... it is possible that we are purely genetic mutations. Although this is still is unknown.

It's all to do with the neuro-biologics in the human brain.

I am personally under the impression the cause of my autism could be the umbilical cord was tangled around my neck when I was given birth.

I had heard this from the few others and this isn't proven at all.

A review from 2021 claims "there is strong evidence pointing to mid-fetal prefrontal cortical development as one nexus of vulnerability for some of the largest-effect ASD risk genes" (https://ajp.psychiatryonline.org/doi/fu ... 0.20111608).

This doesn't give exact causes but is consistent with some other replies here that ASD is a disorder of how the brain develops. It seems like there are many potential causes, a lot related to genetics, so it's difficult to narrow things down to specific causes.

Look up gene expression particularity on the H1N1 gene . Just offering a piece of information .

Every human has a brain disorder. There is no normal human. Humans are defective. god is defective.

What is the salary of a brain disorder specialist. I declare myself a brain disorder specialist. I declare every human on earth with a brain disorder. I should be a billionaire.

The etiology of autism has yet to be discovered scientifically but for practical purposes it doesn't matter

Think of “deviation” as being “standard deviation.”

The brain is part of the nervous system. From my understanding, autism are differences in functioning of the brain and nervous system, to an extent that causes difficulties with functioning in society, to a lesser or greater degree.

I expect there are many different causes, just as there are many different variations of autism and levels of functioning.

I think some autism may be caused by damage, but in other cases differences in functioning may be just a normal genetic variation.