So I am rather novice at the book aspect of the brain. I am rather experienced through trial and error and environmental factors. I think I would make an excellent lab rat for those interested, though I have not used any illicit substance in a rather long timeframe :)

I do not remember what I searched for to find it, but here is a short article on Serotonin, LSD, and MDMA.
Human Psychopharmacology: Serotonin and the hallucinogens