Traditional Culture Encyclopedia - Photography and portraiture - What kind of experience is it that the soles of your feet are ticklish?
What kind of experience is it that the soles of your feet are ticklish?
Generally speaking, people have two kinds of itchy feelings. One is the itchy feeling that something similar to a bug crawls gently on the skin. This itching is mild, just like the feeling of a feather sweeping the skin, which makes people feel depressed.
Another situation is caused by strong scratching of a certain part of the body, such as tickling armpits and soles of feet. This kind of touch is more powerful, but it can make people laugh.
Scratching the soles of your feet is harmless contact. When we realize it, the alarm of the body is lifted, resulting in a relaxed psychological state, which can often be resisted by laughing or taking the initiative to avoid it.
The reason why the soles of feet are ticklish:
In fact, itching is a defense mechanism. From the evolutionary point of view, in ancient times, in order to resist the stimulation of the external environment, the human body must maintain a sensitive state, even if it was slightly itchy.
Some people think that people with very good itching reflex become the best survivors in nature, while those who do not respond to itching are gradually eliminated. Therefore, in the long run, it has become a reaction of people.
Modern research has found that itch receptors are widely distributed on human skin, and everyone's nerve endings respond differently to external stimuli, so some people are particularly afraid of itching.
In addition, nerve endings in armpits, soles and other places are more abundant than other parts, so they are more sensitive to external stimuli, so they will feel itchy when scratching the soles of their feet and creaking their nests.
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