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From Jonathan D. Lettvin

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Stay tuned for content after the September 2019 HPEC Boston conference[1].

The brain is made of matter. Matter is subject to the laws of physics. Newtonian mechanics is sufficient. Operations appear to be properties of material arrangements. Knowledge of signals and systems is useful. If it seems not obvious how to make a brain, it is because the patterns by which the laws of physics are employed to make a brain have not been published and turned into laws of brain physics.

Only this and nothing more. (Edgar Allen Poe)

A robot can have a synthetic brain made of different material than an animal brain. The complexity of that synthetic brain is unbounded. There is nothing to impede that except the lack of knowledge about what makes a brain a brain.


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