Quote:
Originally Posted by MrTrollkien
It sounds like we should change our definition of death, rather than assume there's a "life after death." If someone's brain is still working even after their heart has stopped, I would conclude that they are alive until all brain activity has ended. It makes a good headline, but I don't think this proves anything beyond the fact that some people's brains are still somewhat active after the heart has stopped.
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Actually everyone's brain is still active for another few minutes, after the heart has stopped. The brain only dies when it runs out of oxygen, which is what happens when the heart no longer pumps blood to it. However, the oxygen doesn't run out immediately, thus the delay.