![]() ![]() But the point is, you can’t get to that state without top-down causation. Once that has happened, then it is reasonably plausible that a totally identical brain with totally identical strengths and totally identical excitations at that instant might experience the same thoughts. ![]() But, you see, what is true is once these ideas have been incorporated in the brain and we learn them, then they get built into the connection strengths in the neuron. And so, in my view point, it’s absolutely clear: strong emergence occurs and has physical causes.ĭavid: And so that phrase that Rosenberg uses, where he says the physical facts fix everything? For instance, I just believe, as I have made very clear, the mind can emerge and that requires top-down causation and you can explain all of the properties of the brain in terms of the physics of the molecules, the neurons and all the rest of it, but you can’t explain the ideas in there. Which one do you believe in? You believe in strong emergence? Roughly speaking, weak emergence is where new powers come in but you can explain them in terms of the lower level, and strong emergence is where you can’t.ĭavid: Right. And so just as an example: each of us are made out of atoms, of protons, neutrons, electrons, but what we get at the level of the body, the mind, is completely different from what you had at lower levels. So new kinds of behaviours emerge at the higher level structures you create out of these simple things. GE: Okay, emergence is when you put simple things together to create much more complicated things which have got behaviour which is completely different from the simple things which you put together. David: Can I ask about… various people have mentioned to us, they’ve said there’s weak emergence and strong emergence. ![]()
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