I sometimes wonder - if the sensation of a "spiritual state" can be defined as a quantitative amount of some neurotransmitter in some circuit. That might be a sad day, though, for something that sounds so profound, to be reduced to numbers and probability....

The "out of body experience" ppl describe in near death always seemed to me to be a glitch of the brain's 3D perceptual space, i.e. a forced linear transform of 3D coordinates or something.