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

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

FORBES: Is What We Need From Leaders Prewired Into Our Brains?

Africa shouldn't just focus on local problems but needs to aspire to be at the core of global science to stop the brain drain and make the best of its talent.

BBC: What if Africa were to become the hub for global science?