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Pages: 80-80
Year: Issue:  2
Journal: Knowledge is Power

Keyword:  知识学“传染性”哈欠指甲月牙;
Abstract: 问:为什么打哈欠会传染?答:不少人知道打哈欠会传染。研究发现.这种传染要看相互间的关系亲疏,关系越近,“传染性”越强。直系亲属间打哈欠最容易传染,随后是朋友间.相识但不熟的人和陌生人间打哈欠最不易传染。哈欠可能暗示着疲乏、压力或厌烦。看见他人打哈欠会激活自己大脑中与运动、
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