The scientist and engineer's guide to digital signal processing
The scientist and engineer's guide to digital signal processing
Affective effects of agent proximity in conversational systems
Proceedings of the third Nordic conference on Human-computer interaction
Emotions and heart rate while sitting on a chair
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The role of posture in the communication of affect in an immersive virtual environment
Proceedings of the 2006 ACM international conference on Virtual reality continuum and its applications
Toward an Affect-Sensitive AutoTutor
IEEE Intelligent Systems
Rotating, tilting, bouncing: using an interactive chair to promote activity in office environments
CHI '13 Extended Abstracts on Human Factors in Computing Systems
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The present aim was to study emotion related body movement responses using an unobtrusive measurement chair that is embedded with electromechanical film (EMFi) sensors. 30 participants viewed images of a male and a female computer agent while the magnitude and direction of body movements were measured. The facial expressions (i.e., frowning, neutral, smiling) and the size of the agents were varied. The results showed that participants leaned statistically significantly longer towards the agent when it displayed a frowning or a smiling expression as compared to a neutral expression. Also, their body movements were reduced while viewing the agents. The results suggest that the EMFi chair is a promising tool for detecting human activity related to social and emotional behaviour. In particular, the EMFi chair may support unobtrusive measurement of bodily responses in less strictly controlled contexts of human-computer interaction.