One more thing on this point. There is actually an exact interpenetration between the "theories" of contemporary mathematics as they are applied to the human sciences and paranoid schizophrenia. I'm talking about "game theory", who's inventor was highly paranoid. I'm not going to go into detail but I'd point to this documentary which studies it in detail (among other things):
Episode 1: http://video.google.com/videoplay?docid=404227395387111085
Episode 2: http://video.google.com/videosearch?q=the+trap+2&emb=0#
Episode 3: http://video.google.com/videosearch?q=the+trap+2&emb=0#q=the+trap+3&emb=0
Wikipedia: http://en.wikipedia.org/wiki/The_Trap_(television_documentary_series)
Best documentary series ever. All his stuff is on the internet at the moment. I can't recommend it enough...... lets get a discussion going...