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date: 15 December 2019

Abstract and Keywords

This chapter is from the forthcoming The Oxford Handbook of Affective Computing edited by Rafael Calvo, Sidney K. D'Mello, Jonathan Gratch, and Arvid Kappas. This chapter addresses the bodily expression of emotion, specifically, how people communicate emotion through body posture and gesture and how they make inferences about someone else’s emotional state based on perceived posture and gesture. A range of empirical, methodological, and theoretical issues are identified that arise in studying the bodily expression of emotion. Then, an overview of some of the key psychological studies of the expressive elements of posture and gesture is presented. The last section describes computational models of bodily expression that have been designed for embodied conversational agents (ECAs). ECAs are animated virtual humans capable of social interaction with people through dialogue and nonverbal behaviors, using the same modalities such as voice, facial expression, postural shifts, and gestures that people use in face-to-face interaction.

Keywords: emotion, posture, gesture, expressive posture and gesture, embodied conversational agent, virtual human, computational model, nonverbal behaviors

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