The enduring mystery of why we can't tickle ourselves

TL;DR
Despite over a century of research, scientists still don't fully understand why certain body parts are more ticklish, why we can't tickle ourselves, or the purpose of tickling, highlighting gaps in knowledge about sensory processing, self-awareness, and human behavior. The review emphasizes the need for standardized methods and advanced technology to explore this universal yet mysterious sensation.
- Why You Can’t Tickle Yourself: Scientists Tackle One of Life’s Weirdest Mysteries Study Finds
- The extraordinary enigma of ordinary tickle behavior: Why gargalesis still puzzles neuroscience Science | AAAS
- Scientists call for more serious research into how and why tickling works The Independent
- After centuries of debate, we still don't know how tickling works Earth.com
- The tickling enigma: Why we still don't know how it works after 2,000 years Medical Xpress
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