Neurons pull together as a brain learns

Neurons pull together as a brain learns

Populations of neurons firing together are linked to learning and memory

By Bethany Brookshire, 15:29 PM June 16, 2014

When a cartoon character gets an idea, you know it. A lightbulb goes on over Wile E. Coyote’s head, or a ding sounds as Goofy puts two and two together.

While the lightbulb and sound effects are the stuff of cartoons, scientists can, in a way, watch learning in action. In a new study, a learning task in rats was linked to increases in activity patterns in groups of brain cells. The results might help scientists pin down what learning looks like at the nerve cell level, and give us a clue about...

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