HMM: New research shows why you don’t need to be perfect to get the job done. “When neuroscientists think about the strategy an animal might use to carry out a task—like finding food, hunting prey, or navigating a maze—they often propose a single model that lays out the best way for the animal to accomplish the job. But in the real world, animals—and humans—may not use the optimal way, which can be resource-intensive. Instead, they use a strategy that’s good enough to do the job but takes a lot less brain power.”

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