During critical situations, especially when a threat is perceived, the outer core loses control and fails to regulate the impulses and instinctual responses coming from the primitive brain.

在危急情况下，特别是在察觉到威胁时，外核会失去控制，无法调节来自原始内核的冲动和本能反应。

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Indeed, at the core of brain research is the desire to fathom what happens when memory fails and information processing goes awry.

实际上，大脑研究的核心是弄明白，当记忆缺失，信息加工出错时，究竟发生了什么。

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As a result, their core body temperatures can rise to dangerous levels that damage the brain and can even be fatal.

因此，身体的温度可能会升高并超过警戒水平，最后伤及大脑甚至致命。

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Ms. Giffords's immediate responsiveness to commands, such as squeezing a doctor's hand, suggests that she wasn't in a coma and that her brain stem and the brain's core structures had relatively little damage.

WSJ: Rep. Gabrielle Giffords's Brain at Risk Despite Quick Aid After Shooting

The place where it is having its most profound effect is in the brain's emotional core the limbic system.

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Behaviors that we have assumed were learned through nurturing and social interaction may have at their core something that is programmed into the brain.

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