The word "tickling" is spelled with two "l's" and not one, despite the fact that it may sound like it has only one "l" when pronounced. The International Phonetic Alphabet (IPA) phonetic transcription of the word is /ˈtɪklɪŋ/. The two "l's" in the spelling represent the presence of a "dark l" sound at the end of the word. This sound is pronounced by touching the back of the tongue against the roof of the mouth and releasing air, creating a sound that is prolonged and darker than the typical "l" sound.
Tickling is an intriguing sensation that evokes laughter and sometimes discomfort, typically caused by light touching or stroking of sensitive areas of the body. It can best be described as an involuntary and reflexive response to the sensation of being tickled. While the exact mechanism of why tickling leads to laughter is still a subject of study, it is widely believed to involve a mix of physical and psychological factors.
Physically, tickling primarily stimulates nerve endings, especially those close to the surface of the skin. The most ticklish areas tend to be places with heightened sensitivity, such as the soles of the feet, underarms, or sides of the torso. When gentle touches, tingling movements, or even the anticipation of being tickled occur, the nerves send signals to the brain that trigger laughter as a reflexive response.
Psychologically, tickling can be influenced by one's anticipation, expectations, and the element of surprise. It often induces feelings of vulnerability, playfulness, or a combination of both. Tickling is typically associated with joy, amusement, and social bonding, often observed during playful interactions between friends, siblings, or even parents and their children.
While tickling is often a lighthearted and pleasurable experience, it can vary greatly from person to person. The level of sensitivity to tickling and the response to it can differ, with some individuals being exceptionally ticklish while others may not be affected at all. Additionally, some individuals may even find tickling to be uncomfortable, painful, or overwhelming, detracting from the laughter-inducing quality that many associate with tickling.
Titillation; a peculiar disagreeable sensation, caused by repeated light stimulation of the cutaneous nerve-endings; it is accompanied by reflex involuntary laughing, sometimes followed, if the irritation is continued, by convulsions.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
A light touch that causes one to twitch or feel a peculiar sensation provocative to laughter.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
The word "tickling" is derived from the Middle English word "tikelen", which comes from the Old English word "ticlian". It is thought to be related to the Middle Dutch word "kietelen" and the Old High German word "kichilon", all of which convey the notion of light touches or strokes that cause a tingling or delightfully sensitive sensation. The exact origin of these words is uncertain, but they likely have Germanic roots.