Neurotwitter: A major AI stakeholder recently asked me if neuro understanding has advanced enough that we could simulate a human brain. I said no, but we do have confidence in relevant "known unknowns," and we mostly now have the tools needed to fill those knowledge gaps. Agree?
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Replying to @tarinziyaee
There's quite a lot we know we don't understand. E.g. relationship between neural activity and behavior, neural connectivity, local plasticity rules, receptor/ion channel expression/distribution, neuromodulation, role of glia in regulating neural activity and plasticity, etc.
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Replying to @neurowitz @tarinziyaee
That's 100 years of work ahead, for sure. But if someone gave you today's tools, along with infinite money and time, do you feel like we'd be able to fill in the major blanks?
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Replying to @neurowitz @tarinziyaee
I think you want to find/validate computational / learning primitives and principles at mouse brain level, while understanding how such primitives can bootstrap human-like intelligence constructively through neuroscience-inspired AI. With such understanding, might be <100 years.
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Simulating an individual human brain is a much less interesting proxy for understanding than creating an artifact which functions similarly at a computational level to a generic human brain, a computational analog of an infant.
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Replying to @james_ough @AdamMarblestone and
Thanks
@james_ough, yes lots of research I can recommend -- will make a thread.0 replies 0 retweets 2 likes
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