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研究：寒冷也会传染

科学家认为，这种现象的背后是大脑中的“镜像神经元”在起作用。

Dr Harrison explained: ‘Mirror neurons found in very specific parts of the brain are known to fire when we perform an action or observe a similar action in others – it has been proposed that more general mirror properties may also exist across many other brain areas.'

哈里森博士解释道，“仅在大脑特定部分存在的镜像神经元在我们完成一个动作或是观察到他人做出相似动作时会发挥作用，有人提出，大脑其他区域可能存在更多的镜像特质。”

And the more naturally empathetic the person, the more likely they are to mimic another person’s responses, he added.

他补充道，“一个人越容易与他人产生同感，就越有可能模仿他人的反应。”

For the study, which was published in the Plos One journal, researchers asked 36 participants to watch eight videos that showed actors with one of their hands in visibly warm or cold water.

这一研究刊登于公共科学图书馆期刊（The Plos One journal），研究者让36名参加者观看八段视频，视频中演员将一只手放入明显温暖或是冰冷的水中。

In the four 'warm' videos, the first 40 seconds showed the actor gradually adding hot water from a steaming kettle into the container, checking the temperature of the water every few seconds.