Foundations of human computing: facial expression and emotion
Many people believe that emotions and subjective feelings are one and the same and that a goal of human centered computing is emotion recognition. The first belief is outdated; the second mistaken. For human centered computing to succeed, a different way of thinking is needed.Emotions are species typical patterns that evolved because of their value in addressing fundamental life tasks[19] Emotions consist of multiple components that may include intentions, action tendencies, appraisals, other cognitions, central and peripheral changes in physiology, and subjective feelings. Emotions are not directly observable, but are inferred from expressive behavior, self report, physiological indicators, and context. I focus on expressive behavior because of its coherence with other indicators and the depth of research on the facial expression of emotion in behavioral and computer science. In this paper, among the topics I include are approaches to measurement, timing or dynamics, individual differences, dyadic interaction, and inference. I propose that design and implementation of perceptual user interfaces may be better informed by considering the complexity of emotion, its various indicators, measurement, individual differences, dyadic interaction, and problems of inference.
ICMI '06