Answering personal questions activates unique brain activity pattern, study suggests

April 8, 2015 4:10 PM

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Answering personal questions activates unique brain activity pattern, study suggests

The brain consumes 20 percent of the body’s energy while awake and at rest, yet scientists historically have viewed the organ’s activity during sleep as useless “noise.” But in a study published online Wednesday in the journal Neuron, Stanford University researchers argue that, regardless of whether the body is resting, various organized brain networks coordinate with one another to retrieve personal memories and make future decisions.

Functional magnetic resonance imaging (fMRI) scans conducted over the past decade have allowed scientists to study blood flow in the brain. This technique, though indirect, has aided in identification of clustered networks responsible for specific tasks, some of which remain active during resting st...

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