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Physiopucks: Increasing User Motivation by Combining Tangible and Implicit Physiological Interaction
University of Pompeu Fabra, Spain.
University of Pompeu Fabra, Spain.
Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences. Tallinn University, Estonia.
2016 (English)In: ACM Transactions on Computer-Human Interaction, ISSN 1073-0516, E-ISSN 1557-7325, Vol. 23, no 1, 4- p.Article in journal (Refereed) PublishedText
Abstract [en]

In this article, we evaluate b-Reactable, a digital music instrument that combines implicit physiology-based interaction through EEG and ECG, and explicit gestural interaction for sound generation and control. This multimodality is embodied in tangible objects named physiopucks, which are driven by biosignals. We hypothesize that multimodality increases users motivation in a musical task, compared to the use of a gesture-only tabletop system (the Reactable). We compared motivational aspects in dyads collaborating in three experimental groups (N = 56): the Physio group (one physiology- and one gesture-based user), the Sham group (one prerecorded physiology- and one gesture-based user), and the Control group (two gesture users). Between-group comparisons showed that motivation dimensions of Confidence and Satisfaction were higher in b-Reactable than in the gesture-only tangible interface, and that fake physiology-based feedback significantly reduced these effects. Our study also shows the potential of combined implicit and explicit interaction modes in multiuser HCI scenarios.

Place, publisher, year, edition, pages
ACM Press, 2016. Vol. 23, no 1, 4- p.
Keyword [en]
Brain computer interfaces; Brain tangible user interface; computer supported cooperative work; implicit interaction; human-computer interaction; multimodal interfaces; musical collaboration; physiological computing; physiopucks; tabletops
National Category
URN: urn:nbn:se:liu:diva-127581DOI: 10.1145/2838732ISI: 000373522400005OAI: diva2:925996

Funding Agencies|European Unions Horizon research and innovation programme through the RAPID-MIX Project [644862]; Marie Curie Actions of the European Unions Seventh Framework Programme [REA GA-303172]; [TEC2010-11599-E]

Available from: 2016-05-03 Created: 2016-05-03 Last updated: 2016-05-03

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Vaeljamaee, A.
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Department of Behavioural Sciences and LearningFaculty of Arts and Sciences
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