Why You Can't Tickle Yourself

Try it right now. Wiggle your fingers against your own ribs. Nothing happens. But when someone else does the exact same thing, you can barely breathe from laughing. So why can't you tickle yourself? The answer reveals one of the brain's most clever tricks: it is constantly predicting the future, including what your own body is about to feel. In this episode: The tickling robot experiment How a tiny delay makes self-tickling work again Your brain's hidden prediction machine Why fights escalate, according to neuroscience Why rats laugh when you tickle them Sources: Blakemore, Wolpert & Frith, Nature Neuroscience (1998) Blakemore, Frith & Wolpert, Journal of Cognitive Neuroscience (1999) Shergill et al., "Two eyes for an eye", Science (2003) Grab a blanket, and let's get into it. #psychology #neuroscience #brain #tickle #science #animatedexplainer #didyouknow