Bio-Feedback
 Recent innovations in the area of mobile and wearable sensors, which include wearable systems for most physiological signals, such as ECG, HRV, breath, continuous blood pressure based on pulse-transit time, or activity based on acceleration sensors, holds open the exciting possibility of incorporating imperceptible sensor technology into decision systems. Psychophysiological models provide a basis for detecting and recognising cognitive processes and emotional states by correlating them with electro-dermal activity, heart rate changes, blood pressure and so on, paving the way for augmenting training systems with effective bio-feedback tools. Given the low cost, small size, high comfort, and easy handling of currently available sensor equipment, bio-feedback becomes a viable option for learning support and even for serious game applications for consumers.
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