https://www.healthinsideinfo.com/neuro-24/

Neuro 24 life support. Regardless, if you are brain dead, you are mind dead. If there was something non-physical about mental activity then presumably the mind could still be ticking over inside a dead brain. Why does that strike me as being unlikely in the extreme? Maybe that's because it is unlikely in the extreme. What's the Meaning of Consciousness? Consciousness has meaning, or at least meaning in an evolutionary sense; in a survival-of-the-fittest sense; as a consequence of natural selection. Consciousness is awareness. If you are not conscious then you have no awareness, and if you have no awareness or consciousness of what's going on around you, then the odds are pretty high that you are not going to be passing on your genes to the next generation. Consciousness might have started out as a random accident; but that consciousness should still exist today means you don't need philosophical jargon or metaphysical waffle to explain consciousness. Charles Darwin did...