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16. Persons / E. Self as Mind / 5. Split Consciousness

[problems with the possibility of dividing consciousness or brain]

4 ideas
I can't even conceive of my brain being split in two [Nagel]
If we split like amoeba, we would be two people, neither of them being us [Parfit]
It is fine to save two dying twins by merging parts of their bodies into one, and identity is irrelevant [Parfit]
If two humans are merged surgically, the new identity is a purely verbal problem [Parfit]