Much appreciated! I was hoping that I might be able to get some meta-analysis out of one of the meditation advocates, but unfortunately it has not been offered up.

I do not even know what enlightenment is (or if it is even an actual phenomenon, beyond placebo) in terms of physiology/brain chemistry. It sounds like a threshold dose of LSD, judging by the subjective definitions. Because of this, I am not interested in enlightenment, but I am interested on any known enhancing effects of meditation techniques.