[ELI5] Why aren’t brain transplants possible?

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If there is a brain dead patient and a person with multiple failing organs, why is it not possible to transfer the brain to from patient to patient? I understand there are many ethical reasons to give somebody another’s body, but if both had given consent then would it be possible and if not why?

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Anonymous 0 Comments

Because, even if all brains look similar from a distance, upon closer inspection they are all different. Moving a brain from one head to another would be like trying to fit an Intel processor into an AMD socket (or vice versa). It would require a massively complex layer in between that could interface both parts.

By the way I believe this is the same reason why we won’t be able to “inject” someone’s mind into another brain any time soon. Running your “mind” in a computer seems much more feasible (even if far beyond our current technology).

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