cross-posted from: https://lemmy.ml/post/14869314
"I want to live forever in AI"
this post was submitted on 25 Apr 2024
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I suppose I was overly vague about what I meant by "exact copy." I mean all of the knowledge, memories, and an exact map of the state of our neurons at the time of upload being uploaded to a computer, and then the functions being simulated from there. Many people believe that even if we could simulate it so perfectly that it matched a human brain's functions exactly, it still wouldn't be conscious because it's still not a real human brain. That's the point I was arguing against. My argument was that if we could mimic human brain functions closely enough, there's no reason to believe the brain is so special that a simulation could not achieve consciousness too.
And you're right, it may not be conscious in the same way. We have no reason to believe either way that it would or wouldn't be, because the only thing we can actually verify is conscious is ourself. Not humans in general, just you, individually. Therefore, how conscious something is is more of a philosophical debate than a scientific one because we simply cannot test if it's true. We couldn't even test if it was conscious at all, and my point wasn't that it would be, my point is that we have no reason to believe it's possible or impossible.
Unfortunately the physics underlying brain function are chaotic systems, meaning infinite (or “maximum”) precision is required to ensure two systems evolve to the same later states.
That level of precision cannot be achieved in measuring the state, without altering the state into something unknown after the moment of measurement.
Nothing quantum is necessary for this inability to determine state. Consider the problem of trying to map out where the eight ball is on a pool table, but you can’t see the eight ball. All you can do is throw other balls at it and observe how their velocities change. Now imagine you can’t see those balls either, because the sensing mechanism you’re using is composed of balls of equal or greater size.
Unsolvable problem. Like a box trying to contain itself.
Chaos comes into play as a state changes. The poster above you talks about copying the state. Once copied the two states will diverge because of chaos. But that doesn't preclude consciousness. It means the copy will soon have different thoughts.
Correct