Mice in lab coats train,
Vagus nerve's pulse locks in skills—
Blood flows with each step.
Vagus nerve's pulse locks in skills—
Blood flows with each step.
Stimulating the vagus nerve after practice helped mice develop stronger long-term motor learning, revealing a potentially important window when the brain is still locking in a new skill. The effect was linked to rhythmic changes in brain blood vessels, hinting that body-to-brain signals may help…