As Pharrell Williams put it in the opening line of his "Happy" song, "It might seem crazy what I'm about to say." Because believe it or not researchers at University College London have developed an actual equation for happiness. The research, described in a paper entitled "A Computational and Neural Model of Momentary Subjective Well-Being," was published in the August 4 edition of the Proceedings of the National Academy of Sciences. The authors of the paper are Robb B. Rutledge, Nikolina Skandali, Peter Dayan, and Raymond J. Dolan, and in it they give an equation for happiness that predicts how happy people will say they are from moment to moment on the basis of expectations. As the authors write, "We built a computational model in which happiness reports were construed as an emotional reactivity to recent rewards and expectations. Using functional MRI [magnetic resonance imaging], we demonstrated that neural signals during task events account for changes in happiness." The equation is above.
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机译：正如法瑞尔·威廉姆斯（Pharrell Williams）在他的“快乐”歌曲的开头说的那样，“我要说的话似乎有些疯狂。”因为信不信由你，伦敦大学学院的研究人员已经建立了幸福的实际等式。这项研究在一篇名为“瞬间主观幸福感的计算和神经模型”的论文中进行了描述，该研究发表在8月4日的《美国国家科学院院刊》上。该论文的作者是Robb B. Rutledge，Nikolina Skandali，Peter Dayan和Raymond J. Dolan，其中给出了幸福方程，该方程预测了人们在期望的基础上会时不时说出自己多么快乐。正如作者所写，“我们建立了一个计算模型，其中幸福报告被解释为对近期奖励和期望的情感反应。使用功能性MRI（磁共振成像），我们证明了任务事件期间的神经信号可以解释幸福的变化。 ”等式在上面。
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