A hearty, belly laugh means the same thing on every continent: joy. But when we laugh with someone else, our chuckles may divulge more than we realize.
每一个大洲,发自肺腑的捧腹大笑都意味着同一件事,即快乐。但也许我们不曾留意,我们和他人一同笑的时候,笑声会出卖我们。
Scientists have found that people around the world can tell whether folks are friends or strangers by listening to them laughing together. And the ability transcends culture and language.
科学家们发现,世界各地的人都可以辨别出一起笑的人是友人还是陌生人。而这一能力跨越文化与语言。
The study, published in the Proceedings of the National Academy of Sciences, used a simple experiment. Psychologist Gregory Bryant recorded pairs of college students having conversations. Some were friends. Some hardly knew each other. He then isolated out just the parts in which the two people were laughing. Each cut was only about one second long.
这一研究做了一项简单的实验,发布在美国的国家科学院学报上。心理学家格里戈尔·布莱恩特记录了对话中的一组大学生,有些是朋友,有些彼此几乎不认识。然后,把笑声部分单独区分出来,每一段截取音频仅历时一秒。
Then Bryant and his colleagues at the University of California, Los Angeles, had volunteers listen to the clips of laughter and guess whether the people were friends or strangers. They ran the experiment in 24 societies around the globe, including indigenous tribes in New Guinea, tiny villages in Peru and cities in India and China.
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