They found notable differences between anxious and non-anxious brains.

他们发现焦虑之人和不焦虑的人大脑之间有着明显差异。

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A sudden boost of cortisol that flummoxes the math-anxious has the opposite effect on the non-anxious, research shows: It pushes the person into the "performance sweet spot."

皮质醇会扰乱数学焦虑，但对于不紧张的人来说，皮质醇的突然升高反而会产生相反的作用，研究显示：皮质醇升高会让一个人进入“绩效甜蜜点”。

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She told reporters that mother rats were much better at multi-tasking than non-mothers, they were better at finding their way through mazes and they were less anxious and fearful.

她告诉记者，有孕大鼠在多任务实验中的表现要好于未育大鼠，她们在迷宫寻路中表现得更好，也更少焦虑和害怕。

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There has been plenty of off-stage sniping from non-executives anxious to protect their reputations, especially if the latest disclosure of problems raises questions about the firm's corporate governance.

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She says JPMorgan made her children feel anxious and embarrassed about being suspended for non-payment.

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But we are more anxious, too, worried about our non-existent public debt, worried about what we will do when the mining boom is over, which it will be soon.

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