It’s a fascinating topic to me. I got introduced to this fact as an argument for an afterlife, but I’m more interested in the biological aspect. What happens in the brain?
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It doesn’t function in the way you may think. It’s just the neurons (the cells of the brain) slowly suffocating. I am an electroneurodiagnostic technologist and I’ve done brain death studies and I’ve had people on EEG (a test that looks at your brain waves) while they passed away. You’re brain communicates to itself and your body through electrical impulses. So when you are dying and your heart is no longer pumping blood to your brain, your brain waves slow down like when you are asleep but they drop in amplitude so they are very flat and then they stop completely. It’s just because your organs don’t die right when your heart stops beating. They die when your heart stops supplying them oxygenated blood.
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