Bits of human brain growing in a lab dish can reveal a great deal about how a disease begins and unfolds. But because the brain is also the seat of our consciousness and individuality, does disembodying it for science's sake pose bioethical challenges?
That's what Stanford Law School researcher Henry (Hank) T. Greely addressed in "Human Brain Surrogates Research: The Onrushing Ethical Dilemma" in the January issue of The American Journal of Bioethics. Will the technology reach a stage at which the brain model is perhaps too close a mimic for comfort?
"If it looks like a human brain and acts like a human brain, at what point do we have to treat it like a human brain — or a human being?" he asks.
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