Neuroscientists Unravel the Mystery of Why You Can’t Tickle Yourself

WIRED

Playfulness and tickling aren’t always considered “serious” subjects, but a new study shows how they can address key questions about the brain.

INSIDE A BERLIN neuroscience lab one day last year, Subject 1 sat on a chair with their arms up and their bare toes pointed down. Hiding behind them, with full access to the soles of their feet, was Subject 2, waiting with fingers curled. At a moment of their choosing, Subject 2 was instructed to take the open shot: Tickle the hell out of their partner.

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