Tickling -

: A light, feather-like touch that produces a localized tingling or itchy sensation. It rarely causes laughter and can be self-induced. Gargalesis

Tickling is a complex physiological and psychological phenomenon characterized by involuntary laughter and movement in response to specific types of touch tickling

Science distinguishes between two fundamentally different types of ticklish sensations, first categorized in 1897: : A light, feather-like touch that produces a

The next time a finger darts toward your ribs, remember: Your brain is about to engage in a 200-million-year-old primate ritual of trust, surprise, and reflexive bonding. Whether you laugh or scream depends entirely on who is doing the tickling—and whether your cerebellum predicted the attack. Whether you laugh or scream depends entirely on

No article on tickling is complete without addressing the reality of non-consensual tickling. Because tickling produces laughter, it is frequently perceived as harmless. However, victim testimonies reveal that forced tickling can be a form of physical abuse.

To understand tickling, one must first understand that not all tickles are created equal. Scientists categorize the sensation into two distinct types, each processed differently by the brain.