Psychology & Psychiatry

Acute stress leads to dynamic changes in the brain

Did math problems make you stressed at school? That's what happened to participants in a study of the brain's reaction to stress. For the first time, researchers looked at the entire duration of such a situation. They found ...

Neuroscience

Slow, steady waves keep brain humming

If you keep a close eye on an MRI scan of the brain, you'll see a wave pass through the entire brain like a heartbeat once every few seconds. This ultra-slow rhythm was recognized decades ago, but no one quite knew what to ...

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