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When your primitive brain senses a threat, it sets off the fight or flight cascade of hormones.

当你的原脑感觉到危险的时候，它会发出打或逃的激素链。

youdao

When your primitive brain senses a threat, it sets off the 'fight or flight' cascade of hormones.

当你的原脑感受到危险的时辰，它会发出“打或逃”的激素链。

youdao

Bargmann of Rockefeller University studies a primitive worm, C. elegans, which has only 302 neurons in its brain.

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Deep-learning software tries to emulate, albeit in a still primitive way, the activity in layers of neurons in the neocortex, the part of the human brain where thinking occurs.

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