考研英語閱讀理解考前沖刺練習題及答案(編輯修改稿)
2025-04-14 02:44 本頁面
【文章內(nèi)容簡介】 e asked if anything looked familiar. During each stage of the test——as the women encoded， stored and retrieved data——researchers took pictures of their brains. The 46 women underwent the test twice——once while taking a standard daily dose of estrogen and again while taking a placebo. Beyond the power of estrogen， the difference in MRIs suggests that the adult brain maintains “plasticity”——the ability to rewire itself——even as it ages. There is still plenty of research to be done. Scientists cant yet be sure estrogen is directly responsible for better memory performance. Despite the difference in brain activity on and off estrogen， participants scores did not change. Researchers say that is probably because the tasks were so simple (the women got more than 90 percent correct overall)。 Other studies on estrogen and cogni
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