poetandknowit27 Sep 2002
I don't think they are. I think they are evolving as we understand exactly what function is what. Is it serotonin? Is it monoamines? Is it norepinephirine? Whatever. The rift between Freud and Kraepelin must narrow if we are to continue to move forward. But I have my theories on this and I could share them with you at another time. This forum may not be the place.