If I were you: double appraisal in affective agents

  • Authors:
  • Ruth Aylett;Sandy Louchart

  • Affiliations:
  • Heriot-Watt University, Edinburgh, UK;Heriot-Watt University, Edinburgh, UK

  • Venue:
  • Proceedings of the 7th international joint conference on Autonomous agents and multiagent systems - Volume 3
  • Year:
  • 2008

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Abstract

We report the implementation and evaluation of a Simulation Theory (ST) approach to the Theory of Mind in intelligent graphical agents driven by an affective agent architecture FAtiMA. The existing cognitive appraisal mechanism is adapted to produce a second appraisal cycle, a double appraisal, in order to evaluate the emotional impact of possible actions. The action with the greatest emotional impact is selected as a means of producing more interesting dramatic actions. A variant in which the actual minds of characters present are used is also implemented and evaluated. Results show that these mechanisms do produce more interesting stories.