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SSS 2010-11-17

时间:2010-12-07 06:53来源:互联网 提供网友:seniorboy   字体: [ ]
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    (单词翻译:双击或拖选)

We humans are pretty good at communicating with sounds other than words. But how much of this is hard-wired, and how much do we pick up from others?

To find out, researchers recorded the nonverbal sounds of people born deaf, as they responded to a range of positive and negative emotions. The idea being that if certain sounds are learned, deaf people wouldn't know how to make them.

Then they played back those recordings1 for a group of hearing individuals, to see if they could decipher the emotion behind each sound. They guessed correctly more than chance would predict—deaf people’s sounds of amusement and relief were pretty obvious, which suggests we may be born primed to laugh or sigh.

But the listeners had a tough time with these two. Those are both expressions of triumph. Here’s a hearing person’s.

So the researchers say certain nonverbal sounds may require experience to learn—just as in language. They'll present the findings at a meeting of the Acoustical2 Society of America.

Their theory fits nicely with a previous study, which found that shouts of triumph vary from culture to culture. Maybe that explains why some people can’t stand the vuvuzela.

Thanks for the minute. For Scientific American’s 60-Second Science, I’m Christopher Intagliata.


点击收听单词发音收听单词发音  

1 recordings 22f9946cd05973582e73e4e3c0239bb7     
n.记录( recording的名词复数 );录音;录像;唱片
参考例句:
  • a boxed set of original recordings 一套盒装原声录音带
  • old jazz recordings reissued on CD 以激光唱片重新发行的老爵士乐
2 acoustical acoustical     
adj. 听觉的,声学的,音响学的
参考例句:
  • This system can set up acoustical resonances. 这种系统能产生共鸣。
  • The relevance of acoustical principles is by no means limited to sound and hearing. 声学原理并不仅仅适用于声音和听觉。
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