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SSS 2010-04-21

时间:2010-06-11 02:28来源:互联网 提供网友:swalloer   字体: [ ]
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A New York Times reporter recently wrote this sentence: “Like most – heck, all – of the women I know, my relationship to food, to my weight, to my body is…complicated.” That relationship is now visible in our brains.

When anorexic and bulimic women see images of overweight women, an area of the brain, the medial prefrontal cortex, lights up in a functional1 MRI. This region is associated with

Researchers at Brigham Young University studied women who seemed to have no major body image issues, based on a standard psychological assessment2. This group was supposed to be the healthy controls. The scientists showed the apparently3 healthy women images of both overweight and thin female bodies. And their medial prefrontal cortex lit up, particularly at images of overweight women.

When a group of men looked at images of overweight men, there was no medial prefrontal cortex activity. So apparently women, unlike men, see photos of heavy women and think “me too.” The authors say that this finding may mean that even apparently healthy women have, under the surface, issues related to food, weight and body image.

Thanks for the minute for Scientific American's 60-Second Science. I'm Cynthia Graber.
 


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1 functional 5hMxa     
adj.为实用而设计的,具备功能的,起作用的
参考例句:
  • The telephone was out of order,but is functional now.电话刚才坏了,但现在可以用了。
  • The furniture is not fancy,just functional.这些家具不是摆着好看的,只是为了实用。
2 assessment vO7yu     
n.评价;评估;对财产的估价,被估定的金额
参考例句:
  • This is a very perceptive assessment of the situation.这是一个对该情况的极富洞察力的评价。
  • What is your assessment of the situation?你对时局的看法如何?
3 apparently tMmyQ     
adv.显然地;表面上,似乎
参考例句:
  • An apparently blind alley leads suddenly into an open space.山穷水尽,豁然开朗。
  • He was apparently much surprised at the news.他对那个消息显然感到十分惊异。
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