I am not remotely convinced that "transplanting consciousness" is a thing that is even possible
At best we may eventually be able to copy a consciousness, but that isn't the same thing
At best we may eventually be able to copy a consciousness, but that isn't the same thing
I don't think it is immortality. It is just cloning
Any theoretical scheme that could let you exist at the same time as a clone of yourself means the clone is clearly not you. It's a different independent individual that only appears to be you