Her main interests are in the field of interpersonal interaction and interaction with and through digital objects. She recently works on different aspects of interaction in videogame sessions.Affiliation: université Lyon Lumière, laboratoire Icar, UMR 5191 (interactions, corpus, apprentissage, représentations), équipe Interactions, situations, pratiques et outils (InSitu), France.Email: heike.baldauf@univ-lyon2.frAddress: laboratoire Icar, École normale supérieure de Lyon, 15 parvis René Descartes, BP 7000, 69342 Lyon Cedex 07, France.