BioCrystal: An Ambient Tool for Emotion and Communication

Asta Roseway, Yuliya Lutchyn, Paul Johns, Elizabeth Mynatt and Mary Czerwinski
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Asta Roseway: Microsoft Research, Redmond, WA, USA
Yuliya Lutchyn: Microsoft Research, Redmond, WA, USA
Paul Johns: Microsoft Research, Redmond, WA, USA
Elizabeth Mynatt: Georgia Institute of Technology, Atlanta, GA, USA
Mary Czerwinski: Microsoft Research, Redmond, WA, USA

International Journal of Mobile Human Computer Interaction (IJMHCI), 2015, vol. 7, issue 3, 20-41

Abstract: In this paper the authors present the BioCrystal – a biofeedback device that uses physiological data to evaluate user's affective states in real-time and signals the states via an ambient display. The authors evaluated the BioCrystal during a 2-week, in situ multi-method study during which ten users collected over 115 hours of usable data. Users' comments suggested high utility of such a biofeedback device for self-awareness, stress-management and interpersonal communication. Quantitative data confirmed that the BioCrystal met the criteria of an ambient display, and significantly improved users' ability to control their stress. The authors discuss practical applications and suggest directions for future development.

Date: 2015
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