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。
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。
Fear hits primitive brain areas to produce reflexive reactions before the situation is even consciously perceived.
甚至在我们有意识的去了解情况之前，恐惧就已经攻击我们的大脑使它产生了条件反射了。
Because games are fun and appeal to the primitive brain in all of us that wants constant rewards, social recognition and adventure.
因为，游戏很有意思，而且人们的原脑本能地需要持续的奖励，社会认可和冒险际遇。
"When people make financial decisions, their emotional, primitive brain is very much involved," said Camelia M. Kuhnen, an assistant professor of finance at Northwestern University.
“人们进行金融决策的时候，他们的大脑变得既原始又冲动，”西北大学金融学助理教授Camelia m .Kuhnen说。
Over the next few days they could see the cells migrating along the scaffolding made by the PLGA particles and forming into primitive brain tissue that interacts with the host brain.
接下来几天内，他们观察到细胞沿着PLGA颗粒材料生长并深入到原来的脑组织中，与大脑沟通了起来。
It had a brain that might have been even smaller than that of a modern lemur, a primate with primitive traits.
它的大脑甚至可能比具有原始特征的现代狐猴还要小。
Scientists have identified a primitive area of the brain that makes us adventurous — a finding which may help explain why people routinely fall for "new" products when shopping.
科学家发现，大脑内有一个原始的区域能使我们爱上冒险——这项发现也许可以解释，为什么购物时人们总是喜欢买“新”产品。
But, the love photo acted in a totally different area of the brain-the primitive reward system region that lights up where addictive drugs work, and where pain-relieving opioids do their magic.
但是，爱人的照片是在大脑内完全不同的区域里发生作用的——大脑原始的回报机制区域会发光，而那里正是上瘾药物发作时大脑会发光的区域，这也是为何类鸦片止痛药会发挥奇效。
"This results in us being motivated to go grab that potentially rewarding thing, be it food (or any other primitive reward) or money, " said Kuhnen, who studies how risk plays out in the brain.
“这将刺激我们去追逐那些具有潜在回报的事情，比如食物（或者其它原始奖励）或金钱，”Kuhnen说，她从事大脑如何处理风险方面的研究。
It's challenging because the primitive mammalian brain doesn't run on logic or vows. You may have noticed that you can't use willpower to force yourself to fall in love — or stay in love.
这是个挑战，因为原始的哺乳动物大脑并不受制于逻辑和婚约，就象你或许已发现的，你不可能靠意志力使自己爱上某人，或是让爱情保鲜。
But sometimes, as with the crisis now or the irrational exuberance that led to it, "the voice of reason cannot be heard, since our primitive, emotional brain takes over."
但是，就这次危机或者导致这次危机的无数非理性的行为来说，“理性的声音淹没在原始冲动之中。”
Progress in brain science will also force a confrontation with the fact that the common interpretation of pathological behavior is often informed by a primitive form of dualism.
脑科学的进步还将和我们通常对病理行为的二元论阐述发生冲突。
Scientists have identified a primitive area of the brain that makesus adventurous -- a finding which may help explain why peopleroutinely fall for "new" products when shopping.
科学家发现，大脑内有一个原始的区域能使我们爱上冒险——这项发现也许可以解释，为什么购物时人们总是喜欢买“新”产品。
"When a woman gives birth she needs to lose herself in the primitive or limbic part of her brain," Dr Odent said.
奥登特医生说：“当一位女性生产时，她需要自我迷失于她大脑原始的或边缘部分之中。”
They can also arise in endochondral bone; or primitive mesenchymal cells in the brain, meninges, membranous bone, or soft tissue.
它们可以起源于软骨内骨、或者脑内的间充质细胞、脑膜、膜内成骨或者软组织。
The brain stem is also the centre from which primitive reflexes are mediated.
此外，脑干还是原始反射的控制与调解中心。
The brain stem is also the centre from which primitive reflexes are mediated.
此外，脑干还是原始反射的控制与调解中心。
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