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打哈欠为什么会传染？—Claudia Aguirre
2,441,529 views |
Claudia Aguirre |
TED-Ed
• November 2013
Read transcript
完整视频：http://ed.ted.com/lessons/why-is-yawning-contagious-claudia-aguirre 你是否会因为仅仅看到“哈欠”二字就想打哈欠呢？这就是传染性哈欠，这种现象的产生被认为是由生理和心理两个方面的原因所导致的。这种现象不仅在4岁的孩子身上发生，甚至是在狗的身上也会发生。Claudia Aguirre探寻了众多可能解释该种现象的理论。 课程提供：Claudia Aguirre 动画制作：TED-Ed
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