Enjoyment has been identified as a central component of the player experience (PX), but
various, overlap** concepts within PX make it difficult to develop valid measures and a …

Providing an appropriate difficulty level in a game is critical for kee** players engaged.
Dynamic Difficulty Adjustment (DDA) is a common approach for optimizing player …

Contact-free camera-based measurement of cognitive stress opens up new possibilities for
human-computer interaction with applications in remote learning, stress monitoring, and …

This study assessed the efficacy of using visual and auditory biofeedback while immersed in
a tridimensional videogame to practice a stress management skill (tactical breathing). All 41 …

It has been extensively argued that individualizing a serious game to the characteristics of its
players is a major contributing factor to its effectiveness. To realize this individualization, the …

In the last years, there has been an increasing interest in the design of video games as a
tool for education, training, health promotion, socialization, etc. Usability, which is a key …

In order to differentiate the affective state of a computer user as it changes from relaxation to
stress, features derived from pupil dilation and periorbital temperature can be utilized …

We present HeatWave, a system that uses digital thermal imaging cameras to detect, track,
and support user interaction on arbitrary surfaces. Thermal sensing has had limited …

Players can get stuck in video games, which impedes their process to their goal and results
in unfavorable outcomes like negative emotions, impediments of flow, and obstacles for …

Automatic recognition of frustration, by analysing facial and vocal expressions, can help user
experience designers to identify interaction obstacles. To encourage the development of …