基弗为首的科学家们能从头成立“反应回路”（feedback loop），即可按照老鼠的血糖浓度自动调度胰岛素水平的下降或着落。所以，即使被喂食了少量的糖，老鼠依然能贯穿连接普通的血糖水平。
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位于瑞典首都著名脑研究中心的科研人员同样发现，在男同性恋者与女异性恋者的脑部，与情感反应有关的大脑神经回路一模一样。
Scientists at the prestigious Stockholm Brain Institute in Sweden also found certain brain circuits linked to emotional responses were the same in gay men and straight women.
它们引起了细胞内的生物化学变化，并最终改变了大脑回路中对愉快的经历和记忆的反应方式。
They trigger intracellular biochemical events that eventually modify brain circuits that mediate the experience and memory of pleasure.
这种基因往往会抑制他们大脑的恐惧回路，加剧大脑对赚钱前景的反应。
That tends to damp their brains' fear circuitry and to intensify their brains' reaction to the prospect of making money.
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