{"id":10377,"date":"2007-02-01T08:01:03","date_gmt":"2007-02-01T15:01:03","guid":{"rendered":"http:\/\/hill-kleerup.org\/blog\/wp\/2007\/02\/01\/self-tickling.html"},"modified":"2007-02-01T08:01:03","modified_gmt":"2007-02-01T15:01:03","slug":"self_tickling","status":"publish","type":"post","link":"https:\/\/hill-kleerup.org\/blog\/2007\/02\/01\/self_tickling.html","title":{"rendered":"Self-tickling"},"content":{"rendered":"

Why can’t you tickle yourself?<\/a><\/p>\n

\n

The answer lies at the back of the brain in an area called the cerebellum, which is involved in monitoring movements. Our studies at University College London have shown that the cerebellum can predict sensations when your own movement causes them but not when someone else does. When you try to tickle yourself, the cerebellum predicts the sensation and this prediction is used to cancel the response of other brain areas to the tickle.<\/p>\n

Two brain regions are involved in processing how tickling feels. The somatosensory cortex processes touch and the anterior cingulate cortex processes pleasant information. We found that both these regions are less active during self-tickling than they are during tickling performed by someone else, which helps to explains why it doesn’t feel tickly and pleasant when you tickle yourself. Further studies using robots showed that the presence of a small delay between your own movement and the resulting tickle can
\nmake the sensation feel tickly. Indeed, the longer the delay, the more tickly it feels. So it might be possible to tickle yourself, if you are willing to invest in a couple of robots!<\/p>\n<\/blockquote>\n

That raises some interesting considerations about some other activities that might be considered similar to “self-ticking” (vs. being “tickled’ by someone else) and how those same neurological mechanisms might come into play.<\/p>\n

<\/p>\n

(via GeekPress<\/a>)<\/p>\n

<\/small><\/p>\n","protected":false},"excerpt":{"rendered":"

Why can’t you tickle yourself? The answer lies at the back of the brain in an area called the cerebellum, which is involved in monitoring movements. 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When you first fall in love, you are not experiencing an emotion, but...","rel":"","context":"In "Love & Marriage"","block_context":{"text":"Love & Marriage","link":"https:\/\/hill-kleerup.org\/blog\/category\/personal\/love-and-marriage"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":9205,"url":"https:\/\/hill-kleerup.org\/blog\/2006\/01\/24\/partisanship_is.html","url_meta":{"origin":10377,"position":3},"title":"Partisanship is Fun","author":"***Dave","date":"Tue 24-Jan-06 10:42am","format":false,"excerpt":"Or, more specifically, the brain rewards itself for rejecting information that contradicts what it believes. Using M.R.I. scanners, neuroscientists have now tracked what happens in the politically partisan brain when...","rel":"","context":"In "Politics & Law"","block_context":{"text":"Politics & Law","link":"https:\/\/hill-kleerup.org\/blog\/category\/politics-law"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8401,"url":"https:\/\/hill-kleerup.org\/blog\/2005\/11\/28\/body_tricks.html","url_meta":{"origin":10377,"position":4},"title":"Body tricks","author":"***Dave","date":"Mon 28-Nov-05 11:13am","format":false,"excerpt":"Various suggestions (for men, at least) on how to \"naturally\" ... ... deal with a persistent tickle in your throat. ... hear conversation or music better. ... overcome the urge...","rel":"","context":"In "Health"","block_context":{"text":"Health","link":"https:\/\/hill-kleerup.org\/blog\/category\/health"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":133044,"url":"https:\/\/hill-kleerup.org\/blog\/2017\/03\/15\/and-a-last-look-back-at-the-1991-beauty-and-the-beast.html","url_meta":{"origin":10377,"position":5},"title":"And a last look back at the 1991 "Beauty and the Beast"","author":"***Dave","date":"Wed 15-Mar-17 1:44am","format":false,"excerpt":"... before the live action version comes out this weekend:Honest Trailers: https:\/\/youtu.be\/wwu8XNTGX5oEverything Wrong With: https:\/\/youtu.be\/99SS9aZjrhYHow It Should Have Ended: https:\/\/youtu.be\/8hm9ezomDhQ(Not surprisingly, \"Stockholm Syndrome\" and \"tickling mustaches\" and queries into the nature of the Curse abound throughout all of them.) 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