h+ magazine recently had a chance to sit down with Ray Kurzweil at the Singularity Summit 2009 in New York City and pick his brain for his latest thinking on quantum computing in the brain, the future of artificial intelligence, and the role of technology to change us humans. Kurzweil, for those that don’t know, is a prolific inventor and futurist that came up with the “singularity” concept of an upcoming technological future that fundamentally transforms the nature of human life.
A snippet from the interview:
One area I commented on was the question of a possible link between quantum computing and the brain. Do we need quantum computing to create human level AI? My conclusion is no, mainly because we don‘t see any quantum computing in the brain. Roger Penrose‘s conjecture that there was quantum computing in tubules does not seem to have been verified by any experimental evidence.
Quantum computing is a specialized form of computing where you examine in parallel every possible combination of qubits. So it‘s very good at certain kinds of problems, the classical one being cracking encryption codes by factoring large numbers. But the types of problems that would be vastly accelerated by quantum computing are not things that the human brain is very good at. When it comes to the kinds of problems I just mentioned, the human brain isn‘t even as good as classical computing. So in terms of what we can do with our brains there‘s no indication that it involves quantum computing. Do we need quantum computing for consciousness? The only justification for that conjecture from Roger Penrose and Stuart Hameroff is that consciousness is mysterious and quantum mechanics is mysterious, so there must be a link between the two.
I get very excited about discussions about the true nature of consciousness, because I‘ve been thinking about this issue for literally 50 years, going back to junior high school. And it‘s a very difficult subject. When some article purports to present the neurological basis of consciousness… I read it. And the articles usually start out, “Well, we think that consciousness is caused by…” You know, fill in the blank. And then it goes on with a big extensive examination of that phenomenon. And at the end of the article, I inevitably find myself thinking… where is the link to consciousness? Where is any justification for believing that this phenomenon should cause consciousness? Why would it cause consciousness?
Read on: Ray Kurzweil: The h+ Interview…
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