yawning is a normal physiological reaction. When the body is particularly fatigue or feels particularly sleepy, it is easy to yawn.
Many people have experienced such experiences, then when others yawn, they will also feel like yawning. This is a relatively common yawning phenomenon.
Why do you yawn?
When a person is in a particularly sleepy or tired state, it is easy to yawn.In the case, the yawn is about 6 seconds. In the process, the whole body can be relaxed.
and can also make a good rest physiological and psychological, so yawning has a very good protective effect on the body, and it is also a relaxation method for the human body.
However, some people think that yawning is a manifestation of the brain hypoxia, and yawning can be moved by deep breathing to allow the oxygen in the blood to get the oxygen in blood obtainedImprovement can also improve the blood supply of brain cells.
In addition, yawning can also excrete excess carbon dioxide in the body, so that it can make peoples energy more abundant for a long time.And it will also make the feelings of sleepy, so yawning is also a self -protection mechanism of the body.
Why is it "infected"?
1. From the psychology
yawning inacheThe so -called psychology refers to a sense of perception, judgment, and recognition that the individual is influenced by the behavior of the outside world, and it is simply a manifestation of the behavior of the behavior of the public or most people.
From a psychological point of view, humans are easily hinted by the surrounding information, and use the publics words and deeds as a reference for their own actions.So when a bunch of people yawn, then those who did not feel yawn around him might not be able to bear the yawn with him.
2. Emotional expression
from the perspective of psychologyIt may be a psychological resonance emotional expression.
From a practical point of view, yawn is infected, and the probability of occurring between loved ones is the highest. In addition, it is friends, acquaintances and strangers.In most cases, people who are easily affected by others are often sensitive and very delicate, so they are affected by others.
3, imitation behavior
Yawn belongs to an unconscious behavior, but yawning may be an imitation behavior of the brain.
In short, humans have the tendency to imitate the potential consciousness of others. Human cerebral cortex is hidden in a special nerve cell.It is activated during a certain action and then imitating the behavior of others, which is also a fundamental reason for yawning.
4. Condition reflection
conditional reflection is a kindUnconscious behavior, it is easy to occur when encountering some sudden situations.As a non -random reflexual action, you cant help it once you appear, so when you see others yawn, even if you want to hold back, you cant do it.
The reason for yawning is introduced above, and the inherent reasons for yawning. From a physiological perspectiveBoarding, the people around you will also yawn, the reason is that human imitation, empathy, and conditional reflection are monsters.