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Emergent Model of Emotion

Emergent Model of Emotion. Mei Yii Lim, Ruth Aylett, Christian Martyn Jones Heriot-Watt University. Existing Emotion Models. Inspired by appraisal theory Focus on agent’s cognitive behavior Most of these models

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Emergent Model of Emotion

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  1. Emergent Model of Emotion Mei Yii Lim, Ruth Aylett, Christian Martyn Jones Heriot-Watt University

  2. Existing Emotion Models • Inspired by appraisal theory • Focus on agent’s cognitive behavior • Most of these models • simulate a limited picture of the links between lower-level and higher-level functionalities • Trigger expressions according to one emotion

  3. High-cognitive level models • OCC taxonomy – key reference in the domain of ECA • OZ Project • Affective Reasoner • VICTEC, etc • Appraisal Model by Scherer

  4. Low-level models • Cathexis model by Velásquez • Cañamero • etc.

  5. An Emergent Emotion Model • ‘PSI’ model of emotion, by psychologist Dietrich Dörner • Framework for agents • Emotional modulation, perception, action-selection, planning and memory access • Integrated level-bridging model of emotion

  6. Continued … • Emotions emerge from modulation of information processing and action selection • Become apparent when agents reflect their interaction with the environment

  7. Modulators • Each modulators lie within a range of intensity • Resolution level • Selection threshold • Activation • Rate of updating

  8. Built-in motivators • Together with the modulators produce complex behavior • Level of competence • Knowledge • Urgency of motives • Importance of motive • Uncertainty level

  9. Internal Structure of ‘PSI’

  10. Possible advantages • Adaptive agent • Reflect mixture of emotions • For example, gradual change of emotional expression • More colour and variation to the type of emotions that can be experienced

  11. Sample Implementation • The Island Game

  12. Questions???

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