If intelligence is not the result of a very particular brain architecture, but evolves naturally in response to the pressure to solve control problems, then most complex ecosystems will evolve general intelligence over a long enough time scale. Perhaps Lovelock was right!
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What other explanation can there be? (noting the defn of intelligence is broad here)
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Intelligence is the ability to make models, usually in the service of control. Every cell contains a universal Turing Machine. Every organism with controlled cellular structure can implement arbitrary control software, by passing chemical messages through lattices of cells.
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Replying to @Plinz @DoqxaScott and
Usually, this process is going to be slow (millimeters per second). Nervous systems can speed up the transmission of information processing signals over long distances like a telegraph, but require a specific architecture.
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I like this idea a lot and I agree it is right to describe individual cells as intelligent. I'd like to hear why you think every cell is a UTM.
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I don't think that individual cells can form scalable models of their environment. They have very little intelligence, and certainly no general intelligence. But the DNA is literally a tape with a program that encodes state transition rules and is accessed with a read/write head.
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I see where you're going there. Perhaps a limtied (or parochial) turning machine if we consider an individual cell. But if we consider the system of evolution of that "species" of cell... Wow. Nice idea.
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No, the individual cell can really *run* arbitrary code! The problem is just that the invidual cell does not have a very rich interface to the universe, and no universal function approximator. For that, you need an organism.
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Replying to @Plinz @DoqxaScott and
Part of the reason that individual cells cannot implement efficient general learning algorithms is the lack of parallel execution btw.
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I can imagine how this is true. Please point me at a nice pop-sci book if available?
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Sorry I don't have a reference for this, I may have to write a nice pop-sci book :)
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OK well then... that makes it all the more exciting.
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