Abstract
In this paper, we present the results of an experiment on control in an immersive virtual city using only human brain activities. Applying immersive virtual reality technology, the visual evoked potentials (VEPs), induced by a virtual panorama and two superposed flickering squares, were recorded. The discriminant analysis yielded about 80% of the average classification rate in inferring a user's eye gaze from two directions for three of four subjects. It was possible to demonstrate online control of the virtual scene according to the subject's intent. This suggests that the avatar control is achieved in an immersive virtual environment only via brain signals using visual stimuli.
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