, Volume 41, Issue 3-4, pp 341-365
Date: 22 Feb 2008

A case study of gesture expressivity breaks

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In this paper we propose a study of co-verbal gesture expressivity during a conversational interaction. The work is based on the analysis of gesture expressivity over time, that we have conducted on two clips of 2D animations. The first results point out two types of modulations in gesture expressivity that we relate to the rhetorical functions of the discourse. These results extend the knowledge about gesture expressivity from emotion and personality issues to pragmatical ones. An evaluation study is proposed to measure the effects of the modulations.