This one I stumbled upon about autism is interesting. There was this girl who had severe autism and everyone assumed she was what is clinically referred to as “low functioning”, “non-communicative”, but it turns out she was understanding everything around her, she just couldn’t speak
So she communicated through a computer, and gave a look into how severe/acute autism affects the brain. I think I remember her mentioning that stimuli to her is like her brain is trying to take millions of pictures every second, and it just is constantly overwhelmed by the bombardment of stimuli so she has to hit something or herself because her brain is like, burning…
https://m.youtube.com/watch?v=