From a brain transplant perspective, even if we had the technical capabilities, which we don’t, we also do not have even a fundamental understanding as to what consciousness is.
Questions we do not have answers to include: Does consciousness arise from enough neuronal complexity formed in brains? Or is consciousness primary first and foremost, and the brain is only perceived from existing consciousness?
These questions may seem far out, but the leading edge of physics has compelling evidence (see Donald Hoffman’s work) that consciousness is primary and the physical world is only perceived or manifested by such consciousness.
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