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Old 01-27-2018, 05:07 PM
RaftPeople is offline
Join Date: Jan 2003
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Originally Posted by wolfpup View Post
The brain is "all computation" in the trivial sense of electrochemical signaling. No one disputes that the brain is a mechanistic physical device, but that has never been a question in any creditable field of study. In the actually interesting and formal meaning of computation in computer science and cognition, the essence of computation -- the essence of how computers interpret the world -- is that algorithms perform syntactic operations on abstract symbolic representations, and thereby computationally derive the semantics of how they understand the world.
Sure, at the higher level/functional level there are very interesting and difficult questions about how to model the brain.

But from the perspective of physical simulation, it's possible to be successful without understanding how the higher level computation happens. Determining what level of physical detail to simulate is clearly a non-trivial issue, and getting accurate state of that level of detail is non-trivial.