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Why do humans (and possibly, animals) have positive emotions?  Positive emotions are unique adaptations in the scheme of evolution. Seemingly, they do not provide inherent sustenance or protection.  Some theorists have argued that positive emotions are markers of well-being or that they trigger approach behavior.  Others have thought that positive emotions are merely offsets to negative emotions to make life more bearable!  However, these explanations are not truly complete and leave many questions unanswered.  Professor Fredrickson’s research program challenges the assumptions of traditional models of emotion and provides a unique viewpoint on the function of positive emotions.


Here are some of the research lines within our laboratory. Please note that these links provide only a brief synopsis. For the sources of the ideas, please see our publications:


The Broaden-and-Build Theory of Positive Emotions
The Broaden Hypothesis
The Build Hypothesis
The Undoing Hypothesis