Mice in the 'Matrix' reveal the brain's volume control
Medical Xpress
March 5, 2026
Imagine a friend meets you at the train station and shows you the way to their house. You need to find your way back on your own. If, afterwards, you only remember the smell of a freshly baked bun from a kiosk or the noise from a building site, that won't help you find your way. So, what happens in the brain when it must prioritize among the flood of impressions it receives? In a new study published in Nature Communications, researchers at the University of Oslo reveal that brain cells have a kind of volume control. It can be turned up to prioritize and amplify certain signals over others when we concentrate on a task.
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Originally published on Medical Xpress on 3/5/2026