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this post was submitted on 27 Jan 2024
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CW execution talk
It's fucked up but guillotines really are the best execution method invented from a pain standpoint. I guess nobody "really knows" but we're pretty damn sure consciousness ends immediately - it's because it looks really barbaric that we wanted to replace it with something "scientific" and clean, first the electric chair then lethal injection, both of which are known to potentially cause lots of unnecessary pain to their victims.
spoiler
I thought the opposite was true, that heads have been observed to be alive for a couple seconds after.
But yeah, anything involving mutilation or destruction of the head is just so uncomfortable to me.
I could be wrong but I remember reading that was a myth.
CW description of animal testing on rats, dogs, and other animals
I think a lot of accounts are exaggerated and/or mistake muscle contractions for consciousness. But the brain is intact and still has oxygen in it for a few seconds, so there's no reason it should die instantaneously. The idea of a "head in a jar" or a head transplant does have some possibility to it, albeit very difficult and extremely likely to fail. But theoretically if you can reconnect the head to the relevant arteries or whatever in the few seconds before total oxygen deprivation and brain death, it could work.It's a contentious topic, but there have been multiple studies indicating it could be true.
— https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9930870
(Emphasis mine)
If a head can be transplanted as those studies indicate, it must be alive for at least a few seconds.
The same paper gives arguments against the idea of retained consciousness (right under the section I quoted), but the studies mentioned in that section still seem to indicate about 3 seconds before unconsciousness in rats.
Like I said above, from a logical perspective it makes sense. The brain is kind of the only thing that directly matters in regards to death. Every form of death besides direct damage to the brain is ultimately the brain dying because some system required to keep it alive failed. Since the brain isn't damaged and still has oxygen in it, it should be alive for those few seconds before the oxygen runs out. I think direct and widespread destruction of the brain is probably the only way to truly guarantee near or effectively instantaneous death.
continuing from the last block, but getting kind of off topic and into very dubious unscientific speculation on my part
That's possibly why destruction of the brain makes me more uncomfortable than other forms of death, immediate cessation of the self feels wrong, like the brain should be allowed to have a couple seconds to process the fact that it's over.I've seen a (non-scientific) theory that the idea of "heaven" could actually be the brain releasing endorphins upon death to make those final moments blissful. If true (and again it's a completely non-scientific theory with no real evidence to back it up afaik), I think everyone would deserve to experience that instead of dying immediately. It could explain some people who have near death experiences claiming to have seen heaven. But I don't know if the short time the brain is alive is really enough for that theory to be true.