During sleep, one brain region teaches another, converting nov | EverythingScience

During sleep, one brain region teaches another, converting novel data into enduring memories

In research published in the Proceedings of the National Academy of Sciences, they show that as the brain cycles through slow-wave and rapid-eye movement (REM) sleep, which happens about five times a night, the hippocampus teaches the neocortex what it learned, transforming novel, fleeting information into enduring memory.

This is not just a model of learning in local circuits in the brain. It's how one brain region can teach another brain region during sleep, a time when there is no guidance from the external world," says Schapiro, an assistant professor in Penn's Department of Psychology. "It's also a proposal for how we learn gracefully over time as our environment changes."

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