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SSS 2010-02-24

时间:2010-05-20 03:18来源:互联网 提供网友:mark@li   字体: [ ]
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    (单词翻译:双击或拖选)

Wanna be lazy and productive at the same time? Try a nap—because napping can improve learning. So said U.C. Berkeley’s Matthew Walker February 21st at the meeting of the American Association for the Advancement1 of Science in San Diego.

He followed two groups of adults who went through rigorous memory exercises. Then one group took a 90-minute snooze. In follow up tests, the nappers performed even better than their first tries. The nonnappers got worse.

This evidence supports the hypothesis that sleep, specifically the first 70-to-90-minute stage of sleep—the length of a common nap—clears out the hippocampus, the area for short-term memory. Says Walker: “Your memories do not remain in the same location, they are actually transferred from one storage site to a different storage site. And the one storage site where they begin is a structure  hippocampus. And the end site where they may go is up into the cortex, this large hard drive reservoir of information.”

After a nap, “Your hippocampal informational inbox of memory email is now cleared out.” Definitely not a tired argument.

 

—Christie Nicholson

 


点击收听单词发音收听单词发音  

1 advancement tzgziL     
n.前进,促进,提升
参考例句:
  • His new contribution to the advancement of physiology was well appreciated.他对生理学发展的新贡献获得高度赞赏。
  • The aim of a university should be the advancement of learning.大学的目标应是促进学术。
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TAG标签:   SSS  hippocampus
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