Bodily Engagement in Multimodal Interaction

The creative processes of interaction design operate in terms we generally use for conceptualising human-computer interaction (HCI). Therefore the prevailing design paradigm provides a framework that essentially affects and guides the design process. We argue that the current mainstream design paradigm for multimodal user-interfaces takes human sensory-motor modalities and the related userinterface technologies as separate channels of communication between user and an application. Within such a conceptualisation, multimodality implies the use of different technical devices in interaction design. This chapter outlines an alternative design paradigm, which is based on an action-oriented perspective on human perception and meaning creation process. The proposed perspective stresses the integrated sensory-motor experience and the active embodied involvement of a subject in perception coupled as a natural part of interaction. The outlined paradigm provides a new conceptual framework for the design of multimodal user interfaces. A key motivation for this new framework is in acknowledging multimodality as an inevitable quality of interaction and interaction design, the existence of which does not depend on, for example, the number of implemented presentation modes in an HCI application. We see that the need for such an interaction- and experience-derived perspective is amplified within the trend for computing to be moving into smaller devices of various forms which are being embedded into our everyday life. As a brief illustration of the proposed framework in practice, one case study of sonic interaction design is presented.