One of the known possible consciousness transfers is a gradual replacement of brain regions with artificial blocks. To me a problem with this approach is that even if the regions are small, there still must be the scanning procedure to extract not only functionality but the memory as well, because the brain has memory and it is stored in its network connections. Another problem in my opinion is that all this seems very unrealistic: keeping the brain alive and properly functioning with embedded artificial circuits.
There must be a simpler procedure to transfer the consciousness into the artificial brain. Start with a conscious but fairly empty artificial brain which is associated with a body similar to human, a robot. Now connect all sensory inputs from the robot to the real brain. At the same time shut down (or force to ignore) the sensory inputs of the real body keeping the real brain alive. Attach motor functions of the real brain to the robot. The artificial body of the robot is now governed by two independent minds: the artificial and the real. The artificial mind would be quite passive because of learning, so mostly the real mind would be responsible for the behaviour of the robot. After some short time the real mind starts to associate itself with a robot – with all its sensory inputs coming from and motoric functions acting through the robots body. After longer time the memory of life experience builds up synchronously in both minds the real and the artificial; although the real mind has its own memory baggage – the life before the connection. After even longer time, the percentage of pre-connection experience decreases. It might be possible to revoke older memories like it happens with a repeating recollection which overrides the older memory, hence moving the surrogate memories of older life to the artificial mind. At some moment the old memories of the real brain can be shutdown. Once this is done the system represents two identical minds one of which is real and the other is artificial. After this, switching off the real mind will not change the conscious state because that state is the same in both minds.
The net effect of all this process is a gradual transfer of the mind from the real brain into the artificial without conscious experience being interrupted. Obviously you would loose all your real memories obtained prior to connection. Is it worth it to live forever?
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