Every time you do it for your kid to save ten seconds, their brain skips the one rep that would've taught them to do it alone.Each clumsy attempt fires an error signal through the basal ganglia and cerebellum, the brain's movement-tuning system. Dopamine encodes the distance between what the kid meant to do and what their hands actually did, and the next attempt corrects toward the target. That error signal is the only input that tunes a motor program. Take the failed reps away and there's nothi
2:02
Every time you do it for your kid to save ten seconds, their brain skips the one rep that would've taught them to do it alone.Each clumsy attempt fires an error signal through the basal ganglia and cerebellum, the brain's movement-tuning system. Dopamine encodes the distance between what the kid meant to do and what their hands actually did, and the next attempt corrects toward the target. That error signal is the only input that tunes a motor program. Take the failed reps away and there's nothi
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