translation.en: The reptilian part of our brain, which sits in the center of our brain, when it's threatened, it shuts down everything else, it shuts down the prefrontal cortex, the parts which learn, it shuts all of that down.
translation.zh: 位于我们大脑中央位置的爬行动物脑， 当它受到威胁时会使其他部分停工， 它会关闭负责学习的额叶皮质， 把它完全关闭。