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Wednesday, May 15, 2019

Edge: Rodney Brooks on Models of Brains

From the Edge, thoughts, podcast and transcript regarding Computation, machines and minds.

A Talk By Rodney A. Brooks [5.13.19]  in The Edge
Have we gotten into a cul-de-sac in trying to understand animals as machines from the combination of digital thinking and the crack cocaine of computation uber alles that Moore's law has provided us? What revised models of brains might we be looking at to provide new ways of thinking and studying the brain and human behavior? Did the Macy Conferences get it right? Is it time for a reboot?­­­

RODNEY BROOKS is Panasonic Professor of Robotics, emeritus, MIT; former director of the MIT Artificial Intelligence Laboratory and the MIT Computer Science & Artificial Intelligence Laboratory (CSAIL); founder, chairman, and CTO of Rethink Robotics; and author of Flesh and Machines. Rodney Brooks's Edge Bio Page

RODNEY BROOKS: I’m going to go over a wide range of things that everyone will likely find something to disagree with. I want to start out by saying that I’m a materialist reductionist. As I talk, some people might get a little worried that I’m going off like Chalmers or something, but I’m not. I’m a materialist reductionist.

I’m worried that the crack cocaine of Moore’s law, which has given us more and more computation, has lulled us into thinking that that’s all there is. When you look at Claus Pias’s introduction to the Macy Conferences book, he writes, "The common precondition of the three foundational concepts of cybernetics—switching (Boolean) algebra, information theory and feedback—is digitality." They go straight into digitality in this conference. He says, "We considered Turing’s universal machine as a 'model' for brains, employing Pitts' and McCulloch’s calculus for activity in neural nets." Anyone who has looked at the Pitts and McCulloch papers knows it's a very primitive view of what is happening in neurons. But they adopted Turing’s universal machine  .... " 

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