Communicative function of eye blinks of virtual avatars may not translate onto physical platforms
New York, NY : Association for Computing Machinery (ACM)
InHRI '21 Companion: Companion of the 2021 ACM/IEEE International Conference on Human-Robot Interaction, pp. 94-98
HRI '21: ACM/IEEE International Conference on Human-Robot Interaction (March 2021)
Article in monograph or in proceedings
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SW OZ DCC AI
HRI '21 Companion: Companion of the 2021 ACM/IEEE International Conference on Human-Robot Interaction
SubjectCognitive artificial intelligence
Eye behaviour is one of the main modalities used to regulate face-to-face conversation. Gaze aversion and mutual gaze, for example, serve to signal cognitive load, interest or turns during a conversation. While eye blinking is mainly thought to have a physiological function, the rate of blinking is known to increase during conversation suggesting a communicative function for the eye. Recently, it has been shown that a virtual avatar, acting as the receiver in a conversation, could use blinking as a kind of conversational marker influencing the speaker's communicative behaviour. In particular, it has been demonstrated that long eye blinks resulted in shorter answers by the speaker compared with short ones. Here, we set out to investigate this effect when using a humanoid robot as interaction partner, given that robots have both a physical and social presence. Interestingly, however, we could not replicate the result: short or long blinks did not modulate the length of the responses by the human interactant.
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