![]() ![]() Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. This supports the idea that ticklishness is a reflex-like response. It might explain why some people recoil in response to tickling, and why many tickling games involve chasing someone who is trying to get away.Īnother 2013 fMRI study found that the brain responded differently depending on whether laughter resulted from tickling or from joking with friends. The authors also noticed that the brain might process tickling as a painful experience. This suggests that the tickle response is involuntary. They found that an area of the brain related to involuntary responses (the hypothalamus) was active when tickling generated laughter. In 2013, a group of scientists placed people in a brain scanner and then tickled their feet. However, in the same way that a person may cry when cutting onions without necessarily feeling sad, laughter does not always indicate enjoyment. Some people do not enjoy being tickled, but it can still cause a laughter reflex. An automatic reflex-like response to push away the cause of the tickle could help protect these sensitive areas. ![]() The most ticklish body parts are also the most vulnerable, such as the abdomen and throat. Some people believe that the tickle response might be protective. People cannot tickle themselves in this way. ![]() Gargalesis is more intense tickling, the kind that causes people to laugh when someone repeatedly touches a sensitive area of the body.A person can tickle themselves in this way. Some believe this response may protect against insect bites. Knismesis is when a light skin irritation, such as a bug walking on the skin, triggers an urge to brush it away.There are two types of tickling, with different causes: Researchers do not fully understand why people are ticklish and what evolutionary benefit tickling might offer, although there are several possible explanations. Share on Pinterest Some people are more ticklish than others. ![]()
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