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Emotions and EMG measures of facial muscles in interactive contexts Sascha Mahlke Berlin University of Technology Center of Human-Machine-Systems User experience studies and emotion recognition EMG of facial muscles and measurement of

  1. Emotions and EMG measures of facial muscles in interactive contexts Sascha Mahlke Berlin University of Technology Center of Human-Machine-Systems

  2. User experience studies and emotion recognition EMG of facial muscles and measurement of emotions in HCI Theories of emotion

  3. User experience studies and emotion recognition � As technology matured, interactive products became not only more useful and usable, but also fashionable, fascinating things to desire. … practitioners and researchers alike, seem to � readily embrace the notion of UX as a viable alternative to traditional HCI. Hassenzahl & Tractinsky, 2006 April 2006 Emotions and EMG measures of facial muscles 3 in interactive contexts

  4. User experience studies and emotion recognition � Emotions as one important part of the user experience � Need for methods to study/ evaluate emotional user reactions while using an interactive system April 2006 Emotions and EMG measures of facial muscles 4 in interactive contexts

  5. EMG measures and the study of emotion in HCI � A theory driven approach to explore methods to measure emotions in interactive contexts � Multi-component models of emotions (e.g. Scherer, 1984) � The Face plays a role for the expressive component � EMG measures of facial muscles as one way to measure this component April 2006 Emotions and EMG measures of facial muscles 5 in interactive contexts

  6. EMG measures and the study of emotion in HCI � EMG responses from the zygomaticus major and corrugator supercilii muscle sites that control smiling and frowning � Two different simulations of a mobile phone to induce different emotional experiences: one was designed usable and the other one had various usability flaws. � Analyses of correlations with other components and differences between conditions � Data form the corrugator supercilii is consistent with presumed differences and connections to other components, not for zygomaticus major (Lang et al., 1993). From ‘Measuring Multiple Components of Emotions in Interactive Contexts’ (Poster No. 161) April 2006 Emotions and EMG measures of facial muscles 6 in interactive contexts

  7. Theories of emotion Hint for future measurement applications � Discrete vs. dimensional approaches to emotion structure (Peter & Herbon, 2006) � Some measurement methods are connected to specific emotion theories � FACS � discrete approach � EMG � dimensional approach � Important for the connection to other measurement approaches April 2006 Emotions and EMG measures of facial muscles 7 in interactive contexts

  8. Summary � Facial information to measure emotional aspects of the user experience � Expressive component of emotions measured with EMG meausres: method and results � Combination of emotion theories and measurment methods April 2006 Emotions and EMG measures of facial muscles 8 in interactive contexts

  9. Thank you! Sascha Mahlke Berlin University of Technology Centre of Human-Machine Systems sascha.mahlke@zmms.tu-berlin.de www.zmms.tu-berlin.de/ ~ sma April 2006 Emotions and EMG measures of facial muscles 9 in interactive contexts

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