Jg3kids, brilliant about your son and the coats. It's the small things that really make a difference, I found.
Why do we use the word 'cure'? Because it's a word used a lot by the companies and groups who are promoting particular products for parents who want their child to be the same as other children. If you google those two words - autism cure - you get one and a half million hits (!)
What I found really interesting for this debate was the information from the top autism brain scientist, who told us that babies' brains are nearly complete when they're only about 20+ weeks old in the womb. Some bits build themselves before week 13, so that's often before mum even knows she's pregnant. When children/adults with autism have died, they've sometimes been able to look at how the brain was built and they've noticed it's built totally differently from other brains.
Imagine your brain is like an onion (heck, I sound like Shrek!). It has layers. When it's building, it starts with the middle bits, and then sends cells up to build the next layer round those bit, then the next one, then the next one, then the next one. Each layer does a different thing and has its own sort of cells linked in its own sort of way. Layers, like an onion. Well, that's what happens in most brains anyway.
In ours, from what they're seeing, the brain cells don't stop moving when they're supposed to. So the ones meant for the middle layers just keep going to the top, etc. And the bits that are supposed to be a neat layer aren't. They're all sorts of different shapes and linked bits. This is why we can sometimes be amazing at putting together information you don't expect. We link up bits in our brain that you don't.
When we look at faces, our brains don't use the same bit to see them as you do. That ultra-fast 'people-spotting-bit' in our brains is used for our favourite hobby, not for people. We're fantastic at spotting the tiny differences between (say) train 1 and train 2, but can't tell the difference between Auntie Doris from Auntie Jo because our brains don't use the same bit, the same filing cabinet for people-information. So, we can't identify faces as fast as you can, but we can tell if a bridge is about to fall down because we can see the tiny, tiny engineering details that you'd miss completely. Your brain is so busy looking for people that it's using the slower bits for details like engineering. Ours looks for the details first, and people afterwards.
Most interestingly, they've just realised that the brains of people with an ASD keep changing not just in childhood, but right through life to 30s and 40s+, so even if you try to straighten it out somehow at age 5, you'd probably find it would unstraighten itself later on and you'd have to do something else to put it back as it was. It doesn't want to be straight in neat layers. It wants to be an ASD brain. Somehow that's its building instructions, and they're built in from the very beginning of life.
Really, really interesting stuff. Much more research to be done.