Higher-income students have an edge when it comes to working memory

Researchers have discovered important differences between lower and higher-income children in their ability to use working memory, a key brain function responsible for everything from remembering a phone number to doing math in your head. Using functional MRI to measure and map the brain activity of a group of middle-schoolers, the researchers physically documented that the lower-income students tested had less working memory capacity than their higher-income peers.

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