TY - CONF T1 - Interpreting Psychophysiological States Using Unobtrusive Wearable Sensors in Virtual Reality T2 - Proc. of The Seventh International Conference on Advances in Computer-Human Interactions Y1 - 2014 A1 - A. Betella A1 - Pacheco, D. A1 - R. Zucca A1 - X. D. Arsiwalla A1 - P Omedas A1 - A Lanata A1 - D. Mazzei A1 - A. Tognetti A1 - A. Greco A1 - N. Carbonaro A1 - Wagner, J. A1 - Lingenfelser, F. A1 - Andrè, E. A1 - D. De Rossi A1 - Verschure, P. AB -

One of the main challenges in the study of human be- havior is to quantitatively assess the participants? affective states by measuring their psychophysiological signals in ecologically valid conditions. The quality of the acquired data, in fact, is often poor due to artifacts generated by natural interactions such as full body movements and gestures. We created a technology to address this problem. We enhanced the eXperience Induction Machine (XIM), an immersive space we built to conduct experiments on human behavior, with unobtrusive wearable sensors that measure electrocardiogram, breathing rate and electrodermal response. We conducted an empirical validation where participants wearing these sensors were free to move in the XIM space while exposed to a series of visual stimuli taken from the International Affective Picture System (IAPS). Our main result consists in the quan- titative estimation of the arousal range of the affective stimuli through the analysis of participants? psychophysiological states. Taken together, our findings show that the XIM constitutes a novel tool to study human behavior in life-like conditions.

JF - Proc. of The Seventh International Conference on Advances in Computer-Human Interactions ER -