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Some of the founders and leading lights in the fields of artificial intelligence and cognitive science gave a harsh assessment last night of the lack of progress in AI over the last few decades.

During a panel discussion—moderated by linguist and cognitive scientist Steven Pinker—that kicked off MIT’s Brains, Minds, and Machines symposium, panelists called for a return to the style of research that marked the early years of the field, one driven more by curiosity rather than narrow applications.

“You might wonder why aren’t there any robots that you can send in to fix the Japanese reactors,” said Marvin Minsky, who pioneered neural networks in the 1950s and went on to make significant early advances in AI and robotics. “The answer is that there was a lot of progress in the 1960s and 1970s. Then something went wrong. [Today] you’ll find students excited over robots that play basketball or soccer or dance or make funny faces at you. [But] they’re not making them smarter.”

Patrick Winston, director of MIT’s Artificial Intelligence Laboratory from 1972 to 1997, echoed Minsky. “Many people would protest the view that there’s been no progress, but I don’t think anyone would protest that there could have been more progress in the past 20 years. What went wrong went wrong in the ’80s.”

Winston blamed the stagnation in part on the decline in funding after the end of the Cold War and on early attempts to commercialize AI. But the biggest culprit, he said, was the “mechanistic balkanization” of the field, with research focusing on ever-narrower specialties such as neural networks or genetic algorithms. “When you dedicate your conferences to mechanisms, there’s a tendency to not work on fundamental problems, but rather [just] those problems that the mechanisms can deal with,” said Winston.

Winston said he believes researchers should instead focus on those things that make humans distinct from other primates, or even what made them distinct from Neanderthals. Once researchers think they have identified the things that make humans unique, he said, they should develop computational models of these properties, implementing them in real systems so they can discover the gaps in their models, and refine them as needed. Winston speculated that the magic ingredient that makes humans unique is our ability to create and understand stories using the faculties that support language: “Once you have stories, you have the kind of creativity that makes the species different to any other.”

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Credit: Technology Review

Tagged: Computing, MIT, neuroscience, AI, artificial intelligence

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