Interest (emotion)

Interest is a feeling or emotion that causes attention to focus on an object, event, or process. In contemporary psychology of interest,^[1] the term is used as a general concept that may encompass other more specific psychological terms, such as curiosity and to a much lesser degree surprise.^{[citation needed]}

The emotion of interest does have its own facial expression, of which the most prominent component is having dilated pupils.^[2]^[3]

^ Silvia, Paul (2006) Exploring the Psychology of Interest. University of Oxford
^ "We cannot help but reveal our interest in (and attraction to) others through the size of our pupils."--Satoshi Kanazawa, PhD, an evolutionary psychologist, Reader in Management at the London School of Economics and Political Science, and Honorary Research Fellow in the Department of Psychology at University College London, and in the Department of Psychology at Birkbeck College, University of London, in his blog Scientific Fundamentalist
^ Why Meeting Anothers Gaze Is So Powerful, BBC, Christian Jarrett, 8 January 2019

[1] Silvia, Paul (2006) Exploring the Psychology of Interest. University of Oxford

[2] "We cannot help but reveal our interest in (and attraction to) others through the size of our pupils."--Satoshi Kanazawa, PhD, an evolutionary psychologist, Reader in Management at the London School of Economics and Political Science, and Honorary Research Fellow in the Department of Psychology at University College London, and in the Department of Psychology at Birkbeck College, University of London, in his blog Scientific Fundamentalist

[3] Why Meeting Anothers Gaze Is So Powerful, BBC, Christian Jarrett, 8 January 2019

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