Edg, regarding natural phenomena, these days some systems use the sound of natural water, like the ocean, a stream or rain, to quiet the brain. I think visual stimuli tend to be create more excitation in the brain. My former SO felt he could transcend on the sense of taste.
On Sunday, April 27, 2014 9:05 AM, Duveyoung <no_re...@yahoogroups.com> wrote: Seems to me placing the attention on a natural phenomenon as one would attend the mantra has to be at least as calming as TM. Dunno. Just wondering these days about how ancient meditation has to be.