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This study tries to increase the effects of odors by controlling the odor emissions. We developed an olfactory feedback system to maintain user's concentration effectively based on biological information. The system presumes the level of user's concentration based on an electrocardiogram analysis. The analysis is carried out using variance of R-R intervals and frequency spectra. According to the presumed...
Brain activities in a standing posture were studied in immersing virtual environments. Electroencephalographic oscillations induced by two flickering virtual buttons were recorded for one subject. The flickering frequencies were set to be 6.9 and 4.8 Hz. Even in standing, clear steady-state visual evoked potentials were observed. Linear discriminant analysis with the single trial brain activities...
In this paper, the technology of non-invasive brain-computer interfacing (BCI) in immersing virtual environment was focused for navigation with no subject training. The common spatial patterns were for the first time applied to EEG-based BCI system in CAVE with five-screen configuration. The interfacing system was based on two brain states of left and right hand phantom movements. It was suggested...
Three-dimensional user interfaces (3D UIs) let users interact with virtual objects, environments, or information using direct 3D input in the physical and/or virtual space. In this article, the founders and organizers of the IEEE Symposium on 3D User Interfaces reflect on the state of the art in several key aspects of 3D UIs and speculate on future research.
Major challenges must be tackled for brain-computer interfaces to mature into an established communications medium for VR applications, which will range from basic neuroscience studies to developing optimal peripherals and mental gamepads and more efficient brain-signal processing techniques.
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