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Gnaw-y by nature: Researchers discover neural circuit that rewards gnawing behavior in rodents
- March 10, 2026 at 9:00 PM
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Researchers at the University of Michigan have discovered that the constant gnawing of rodents isn't just a reflex or a consequence of a tough diet. It also triggers a release of dopamine in the brain—which acts as a biochemical reward or incentive—through a newly identified neural circuit.
Originally published at Phys.org