I happened to have a look at the links which I found very intriguing. One linked back to GHMB and you..
"Thank you for drawing my attention to Shawn Thornton and the tryptamine or pineal style of art; and for citing Jung in the context of cognitive archaeology."
It is my belief that I had a pineal activation once, which resulted in what may well be the most beautiful experience of my life. Based on that experience, I conclude Descartes was on track with his description...
Clearly, you've spent time on this subject. I'd be interested in what else you might wish to share, regarding the pineal.