What you see is a bump up in activation in this nucleus accumbens in this area right when people see the product long before they are going to make a decision which continues.

这张图是受试者在见到商品之后,这一区域的伏隔核活动骤然攀升,而这种情况早在受试者作出决定之前,就已经发生，而且持续了下来。

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The reason for that I think is that the early times in which these civilizations arose saw all kinds of dangers coming, and the most--the swiftest, the least suspected, the one that could come upon you overnight came from the sea.

在我看来原因是,在这些文明所诞生的早期世界危机四伏,而来的最迅速,最难以预测,最可能,一夜之间骤然降临的灾难,正来自于海上

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