Using cannabis seemed to help. Don't know if they were that way before they started toking or not. Got a little bit of info for you to help with the paper (I'm a teacher's aide/ tutor and like to help).

Increased cannabinoid receptor density in the posterior cingulate cortex in schizophrenia.

UKCIA forum :: Research :: Symptoms of schizotypy precede cannabis use.
Clinical Studies and Case Reports

They're all on schizophrenia and cannabis. One is titled "Symptoms of schizotypy precede cannabis use" - sounds like it is right down your alley! :thumbsup: (Hope the URLs work OK- they were copied into another document and then cut and pasted to here- I'm a bit of a computer dummy, but I try! lol) Good luck on the paper, Zak!- Granny:hippy: