Using MRIs — detailed snapshots of the brain — researchers found that women taking estrogen show significantly more activity in brain areas associated with memory than women on a placebo.

利用磁共振成像波谱(MRIs)——能够拍到大脑各细节部位的快照——研究人员发现在跟记忆相关的大脑活动区域，服用雌激素的妇女明显比服用安慰剂的妇女活跃。

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Short-term stress lasting as little as a few hours can impair brain-cell communication in areas associated with learning and memory, University of California, Irvine researchers have found.

加州大学欧文分校研究人员发现，即使只是几小时的短期压力也扰乱脑细胞间的正常运作，而这些运作正关系到学习和记忆。

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A study by the University of California, Irvine, shows that even short-term stress can temporarily impair brain-cell communication in areas associated with learning and memory.

加州大学欧文分校研究人员发现，即使只是几小时的短期压力也会扰乱脑细胞间的正常运作，而这些运作正关系到学习和记忆。

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