When people say computer here they mean computation as computer scientists conceive of it. Abstract mathematical operations that can be modeled by boolean circuits or Turing machines, and embodied in physical processes. Computers in the sense you’re talking about (computer hardware) are one method of embodying these operations.
However, my contention is that the material constraints of how those processes are embodied are going to have a significant effect on how the system works
Sure, but that’s no basis to think that a group of logic gates could not eventually be made to emulate a neuron. The neuron has a finite number of things it can do because of the same material constraints, and while one would probably end up larger than the other, increasing the physical distances between the thinking parts, that would surely only limit the speed of an emulated thought rather than its substance?
What stops me from doing the same thing that neurons do with a sufficiently sized hunk of silicon? Assuming that some amount of abstraction is fine.
If the answer is “nothing”, then that demonstrates the point. If you can build an artificial brain, that does all of the things a brain does, then there is nothing special about our brains.
But can you actually build an artificial brain with a hunk of silicon? We don’t know enough about brains or consciousness to do that, so the point is kinda moot
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When people say computer here they mean computation as computer scientists conceive of it. Abstract mathematical operations that can be modeled by boolean circuits or Turing machines, and embodied in physical processes. Computers in the sense you’re talking about (computer hardware) are one method of embodying these operations.
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Sure, but that’s no basis to think that a group of logic gates could not eventually be made to emulate a neuron. The neuron has a finite number of things it can do because of the same material constraints, and while one would probably end up larger than the other, increasing the physical distances between the thinking parts, that would surely only limit the speed of an emulated thought rather than its substance?
What stops me from doing the same thing that neurons do with a sufficiently sized hunk of silicon? Assuming that some amount of abstraction is fine.
If the answer is “nothing”, then that demonstrates the point. If you can build an artificial brain, that does all of the things a brain does, then there is nothing special about our brains.
But can you actually build an artificial brain with a hunk of silicon? We don’t know enough about brains or consciousness to do that, so the point is kinda moot