We present Chill-Out, an adaptive biofeedback game that teaches relaxation skills by monitoring the breathing rate of the player. The game uses a positive feedback loop that penalizes fast breathing by means of a proportional derivative control law: rapid (and/or increasing) breathing rates increase game difficulty and reduce the final score of the game. We evaluated Chill-Out against a conventional non-biofeedback game and traditional relaxation based on deep breathing. Measurements of breathing rate, electrodermal activity, and heart rate variability show that playing Chill-Out leads to lower arousal during a subsequent task designed to induce stress.
CITATION STYLE
Parnandi, A., Ahmed, B., Shipp, E., & Gutierrez-Osuna, R. (2014). Chill-out: Relaxation training through respiratory biofeedback in a mobile casual game. In Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST (Vol. 130, pp. 252–260). Springer Verlag. https://doi.org/10.1007/978-3-319-05452-0_18
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