Why You Can't Tickle Yourself—Your Brain Cancels It

Your cerebellum predicts the exact touch you're about to make and damps the signal before it can feel like a real tickle—so self-tickling is a window into how the brain tells self from world.It's a universal party-trick mystery with hard lab evidence, schizophrenia and robot-delay twists, and endless short-form demo potential—perfect evergreen science that still surprises adults.Edward…