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在生活中,我们都有这样的经历:乘车或与朋友在一起时,只要身边的人打哈欠,自己也往往会跟着打哈欠。难道,打哈欠会“传染”?事实上,有三种理论认为打哈欠有感染力,它们分别是生理理论、厌倦理论和进化理论,但其中只有生理理论最有说服力。生理理论认为,打哈欠是大脑需要补充氧气的一种反应。它之所以能“传
In life, we all have this experience: when traveling with friends or with friends, as long as the people around him yawn, they tend to follow the yawn. Are yawning ”contagious?“ In fact, there are three theories that treat yawning as contagious. They are physiological theory, tired theory and evolutionary theory, but only the theory of physiology is the most convincing. Physiological theories argue that yawning is a response to the brain’s need for oxygen. It can ”pass