When you're very curious about a topic, that curiosity affects the chemistry of your brain. It prompts the release of dopamine, activates the reward system, and ups your motivation to learn. Not only that, but it increases your capacity to learn, too. A 2014 study found that curiosity primed subjects' brains to both enjoy and remember learning information. The improved memory even applied to information that wasn't relevant-simply by studying a topic they were interested in, participants could more easily remember a random face that was shown during the learning process.
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