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[Note that, if you are only interested in Advaita-related aspects, you can safely ignore this part and the next and wait for Part 8.]
Q: One can envisage that scientific advances will soon enable the possibility of keeping the severed head (or extracted brain) of a human alive and able to communicate (perhaps electronically to a computer rather than by speech). What have Western philosophers said about the status of such an entity in respect of consciousness?
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A: Great question — it sits at the intersection of metaphysics, personal identity, and applied ethics, and philosophers have discussed closely related thought-experiments for decades. Below I summarise the main Western philosophical positions that bear on the scenario you sketch (a severed head or extracted brain kept alive and able to communicate), give the ethical implications each view highlights, and point to accessible sources you can read next.
I’ll give a short roadmap first, then the positions, then the ethical consequences and a brief practical summary.
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