Understand AI use at MyPTSD: all AI use is explained in our AI help page. AI use is by choice here. It exists if you want it, but does nothing unless you choose to use it.
Interesting thread. I also came here by googling for 'sensation of expanding' which I been having since late childhood.
Kers linked an article on the subject, but the link got broken. I've managed finding a new one :
https://scholarsbank.uoregon.edu/xmlui/handle/1794/1617?show=full
Other than...