The Key to Smarter AI: Copy the Brain

Justin Sanchez of the Defense Advanced Research Projects Agency is developing brain-computer interfaces to teach machines to think like us.

Everyday life is incredibly complex—filled with unexpected events, nuanced problems and new skills to be mastered. Fortunately for us, the brain is very good at processing new information. AI, on the other hand, isn’t. A computer can teach itself to master a narrow, predetermined skill, such as identifying dogs in photos or translating from English to French. But that same machine would be at a loss when faced with even the simplest unexpected task outside its area of expertise. That’s because AI lacks the brain’s plasticity—its remarkable ability to adapt and evolve.

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