1. Introduction: Why a new theory of communication? (by Wachsmuth, Ipke) 2. Methodological paradigms in interaction research (by Ruiter, Jan de) 3. A multidimensional activity based approach to communication (by Allwood, Jens) 4. On making syntax dynamic: The challenge of compound utterances and the architecture of the grammar (by Gregoromichelaki, Eleni) 5. Automatic and strategic alignment of co-verbal gestures in dialogue (by Kopp, Stefan) 6. Interaction phonology - A temporal co-ordination component enabling representational alignment within a model of communication (by Wagner, Petra) 7. Communication as moving target tracking: Dynamic Bayesian inference with an action-perception-learning cycle (by Zhang, Byoung-Tak) 8. Language variation and mutual adaptation in interactive communication: Putting together psycholinguistic and sociolinguistic perspectives (by Vorwerg, Constanze) 9. "The hand is no banana!" On communicating natural kind terms to a robot (by Peltason, Julia) 10. Interactive alignment and prediction in dialogue (by Garrod, Simon) 11. What is the link between emotional and communicative alignment in interaction? (by Jaecks, Petra) 12. Index 13. Contributors