Scientists have found the causes of yawning in response.
American scientists have found that yawning in response to evidence that the person sympathizes with another person.
According to American scientists from the Institute of Connecticut, 60-70% of people admit that yawn in response. For a long time researchers believed the unconscious yawning desire to sleep. However, after a series of surveys and experiments, have come to believe that when a person yawns in response, he sympathizes with the other person.
According to them, yawning a sign of empathy. They say, unconscious gesture suggests that people tuned in to other people’s emotions. As an example, scientists led automatic desire to smile or to be surprised at the response of the other person.
Scientists agreed on the opinion that the so-called contagious yawning begins with 4 years in that period, when the child manifested empathy.
According to another theory, this instinct is triggered due to the unconscious connection and communication. In their opinion, such method allowed our ancestors to pass a information about possible dangers before its first manifestations.
Other scientists believe that yawning in response to depend on age. For example, in one such study involved 328 people. They spent 3 minutes looking at a video in which others yawn. In the result, 82% of respondents 25 years yawned in response, 60% aged 25 to 49 also repeated this reflex, and those who are over 50 are almost never yawned.
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