There's no sensation quite like being tickled. Whether it's done playfully by a romantic partner or mischievously by an annoying sibling, you can't help but giggle — even if the laughter is against your will. So why can't you tickle yourself? The answer says something much larger about how your brain knows where you stop and everything else begins.
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The Brain's the Boss
Written by Ashley Hamer February 13, 2019
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