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Posted by Michael W. Pearson on September 22, 2002 20:39:29 UTC

I do believe anatomy and physiology is under-rated as a factor in some of our experiences. This is not to dismiss spirit topics, but to find them more reliably.

"Once I tried something called 'a vertical slide'. It starts vertical, then slowly curves to a long out-run. When I tried it, the surprise of momentarily free-falling was accompanied by a 'heart-in-my-mouth' sensation. It seems that one's brain creates a model of one's body's position in 3D-space."

I note the brain and the blood in vessels have a different density than the more fibrous heart, and that the physics of the freefall causes the blood and brain to fall at a slightly different rate than the denser body parts...until the body makes an almost immediate physiological adjustment from moment to moment as well as it can I am guessing some permutation of this story is what causes the sensation you describe. So I am guessing it is hydraulic engineering encoded into our glandular system that causes the adjustment. Abstract mental models also may, or may not, be a part.
It would be neat to have someone do the homework of proving me wrong on this one.

And then I realized I had been alive the whole time!


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