Can't remember what you just read? Take a nap

日期:2019-03-02 10:20:06 作者:覃象烃 阅读:

By Andy Coghlan Going night after night without sleep makes us absent-minded, and now we may know why. In rats, sleep deprivation causes stress hormones to accumulate in a part of the brain called the hippocampus, which in turn stunts the growth of cells that lay down new memories. “This decrease in neuron production coincided with an increase in the major rodent stress hormone, corticosterone,” says Elizabeth Gould, head of the team at Princeton University that made the discovery. When Gould stopped production of the hormone in rats by removing their adrenal glands,