主持这次研究的拉特格斯大学的海伦·费希尔博士说：“我们认为浪漫的爱情是一种基本脑神经网络的展开形式，它与另外两种基本脑神经网络共同进化从而支配哺乳动物的繁殖。”

• Dr Helen Fisher, of Rutgers University, who led the research, said: "We believe romantic love is a developed form of one of three primary brain networks that evolved to direct mammalian reproduction.