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In this paper we present StimCards: an interactive game for cognitive training exercises. To increase the impact of this game we experiment four kinds of interfaces: a basic computer, an embodied conversational agent and a robot with two different appearances. The report of these experiments shows that the robot is the best positive feedback for cognitive game.

Abstract-This article presents the evaluation of the emotional expressiveness of EmI companion robot in the EmotiRob project. We describe iGrace emotional computational model of emotion to generate an emotional response based on the speech of the interlocutor, the mechanical design and implementation of EmI, and experimentation to evaluate the expressiveness of EmI with 52 school children aged 7 to 9 years.