Madness video for CHI 2011 honorable mention paper Biofeedback Game Design: Using Direct and Indirect Physiological Control to Enhance Game Interaction
M. Ageev, Q. Guo, D. Lagun, and E. Agichtein. Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval, page 345--354. New York, NY, USA, ACM, (2011)