It's a dream for many transhumanists :-) and I reckon it will be
possible to the extent that external observers can no longer tell the difference, even if the copied mind itself new it wasn't the original.
A more interesting question is:Can you reconstruct one?
Assuming you had enough prior knowledge of (relevant) starting
conditions, would the simulation give rise to the same mind in each instance?
Or, assuming you had collected all possible information at point A, and
based on information of A + n, could work backwards and determine A - n. In such a case, could you reconstruct the mind itself if you had the ability to simulate the matter, matter location, and biological instances of matter combinations.
You would have to not only have the information, but all the predispostions ofhow the information is viewed. We all have our biases. and we all have our way of deciding what pieces of information to pay attention to in what light etc.
To build from scratch, would be pretty sketchy. Unless you made an exact duplicate, via some new technology to could analze the postion and form of each neuron. Then that would propably be a way of rebuilding it. But given that... I don't see why not. If we knew with out a doubt, how information was stored, by the forms of pathways, and the chemicals used within them, etc. I don't see why you wouldn't be able to rebuild it. But if we are missing something delicate, like pinpoint percision of placement, who knows, we may end up with a vegitable, or a genious.
Some cool things would be if we could figure out how to rebuild the mind, and then add in some new things. Like the way we process information. Sensory allocation. The ability to control hormone releasing. (that could be a great cure for us bald guys out there :) )
Even better...if we could find the similarities with reptiles, and figure out how to activate or construct that part of the brain that knows how to reconstruct lost limbs.
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