Besides the obvious thing that WP is focused in asperger/autism, there's some ambient differences too.
I would account some differences:
# The conversation is more logical and straight (I really like that).
# It's usually much more polite.
# It usually lacks of sense of humour.
# It doesn't feel like a competition.
The only conversation I had with a NT man here was absolutely annoying.
However, NT women use to adapt very well to the spirit in this forum. This is something I find quite interesting, since asperger/autism increases the male characteristics of the brain (less ability to deal with emotions, tendency to isolate in their cave, more 'geeky' personality, and so), so it ends up being just the opposite of what you would expect...
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1 part of Asperger | 1 part of OCD | 2 parts of ADHD / APD / GT-LD / 2e
And finally, another part of secret spices :^)