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Using a P300 Brain-Computer Interface in an Immersive Virtual Environment

Donnerer, M; Steed, A; (2010) Using a P300 Brain-Computer Interface in an Immersive Virtual Environment. PRESENCE-TELEOP VIRT , 19 (1) 12 - 24.

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Abstract

Brain-computer interfaces (BCIs) provide a novel form of human-computer interaction. The purpose of these systems is to aid disabled people by affording them the possibility of communication and environment control. In this study, we present experiments using a P300 based BCI in a fully immersive virtual environment (IVE). P300 BCIs depend on presenting several stimuli to the user. We propose two ways of embedding the stimuli in the virtual environment: one that uses 3D objects as targets, and a second that uses a virtual overlay. Both ways have been shown to work effectively with no significant difference in selection accuracy. The results suggest that P300 BCIs can be used successfully in a 3D environment, and this suggests some novel ways of using BCIs in real world environments.

Type:Article
Title:Using a P300 Brain-Computer Interface in an Immersive Virtual Environment
Keywords:AUDITORY SIGNAL-DETECTION, COMMUNICATION, POTENTIALS
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Computer Science

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