In experiments with dogs, they determined that cutting nerves between the brain and its frontal lobe - the so-called "seat of reason" - left the animals quiet.

他们在狗身上做实验后，判断通过切断连接大脑和额叶——所谓的“理性之所在”——的神经，动物就会变得安静。

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Notice that there is a variation in the brain perfusion since the left frontal lobe is supplied by the right internal carotid artery.

但是灌注后发现左额叶却是由右侧颈内动脉分支供血。

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The results suggest that these emotions are handled in the medial prefrontal cortex (the middle of the front of the frontal lobe), the left posterior superior temporal sulcus (one of the furrows towards the side of the brain) and the visual cortex (towards the back of the brain).

ECONOMIST: Emotion is essential to human survival