I'm slowly coming to terms with the possibility that technical routes above about 12000' are not realistic for me. Despite my best attempts at acclimatization, usually by 13000' I'm moving extremely slowly. Scrambling and snow-climbing seems to work out, if I schedule enough time .. but I can't imagine trying to lead, say, 5.7 feeling like that.
I've read that the autonomic nervous system is routed through the upper spinal cord, above T6 (my injury ...