= 27d567bc2d48d9f40e9ccc20ea370b15)
Desrtopa comments on Rationality Quotes September 2013 - Less Wrong
You are viewing a comment permalink. View the original post to see all comments and the full post content.
= 783df68a0f980790206b9ea87794c5b6)
Loading…= b715d02e85f7b3b4ae65ca3d3e450868)
Subscribe to RSS Feed
Powered by Reddit
= f037147d6e6c911a85753b9abdedda8d)
You are viewing a comment permalink. View the original post to see all comments and the full post content.
Comments (456)
When I experienced a "totally dead arm," I didn't just not have control over it, I couldn't even wiggle my fingers. It was pretty frightening, since as far as I knew the arm might have experienced extensive cell death from blood deprivation; after all, I had no sign of it being operational at all. My circulation was poor enough that I couldn't even tell if it was still warm, beyond residual heat from my lying on it.
It's happened twice again since then though, and the successive occasions were not particularly distressing.
IIRC the numbness is caused by nerve compression, not blood-flow cutoff.
edit: Apparently it can be either way: http://www.wisegeek.org/what-are-the-most-common-causes-of-numbness-while-sleeping.htm
edit2: And another source claims it's due to nerves, so I dunno. I do find the nerve explanation more plausible than the blood-flow one.
I couldn't do anything with the arm either, it just felt as if it wasn't there. It was decades ago, but I think I used my shoulder muscles to try and move it. I was probably scared too, but that part of the memory is quite vague.