3-fold use of emotions: expressive behaviour
“...emotions defined primarily by their object …have no characteristic facial expression and ... their presence cannot be recognized by means of expressive behavior alone” (N.Frijda)
- action expression problem as particular problem in architectures based solely on the second principle(e.g., the OCC Model)
Action tendencies are tied tocharacteristic expressive behavior
- Behavior classes share specific expressive characteristics
- “Emotions” as changes in action tendency