In 2000, Andreas Bartels and Semir Zeki of University College, London, located the areas of the brain activated by romantic love.

• “引人注意的是，结果显示，”两位学者推断说，“美丽的面容是通过控制一个有限区域的大脑皮层来实现‘一顾倾人城，再顾倾人国’的。”