Butterfly I have read all I need to now about Neurotheology. Basically that religion and religious symbols can induce a biochemical reaction in the brain. Funnily enough you can conversely it seems also produce a religious experience (what people perceive as religious through millenia of indoctrination - bright lights etc) by playing with the brain's chemistry.

I have no problem with any of these facts. They do not however mean that god resides in the brain. Don't have time to write more.