Affective virtual environments : a psychophysiological HCI system concept (original) (raw)

The recent “resurrection” of interest in Virtual Reality has stimulated interest in the quest for true “immersion” in computer-generated worlds. True immersion may only ever be achieved through advanced BCI systems, but, until that day arrives, it is important to understand how it may be possible to measure human engagement and emotions within virtual worlds using psychophysiological techniques. This study aims to design an affective computing system, capable of responding to human emotions, within virtual environments. Based on the development of a Valence/Arousal model, a controllable affective VR, capable of evoking multiple emotions, has been constructed. Multiple variations of the VR have been evaluated subjectively using over 68 participants. More objective, physiologically-based experiments have been executed, in which the EEG, GSR and heart rates of 45 participants have been recorded during exposure to the most powerful affective environments, identified in the earlier study...

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