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Steady-state visual evoked response (SSVER) has been widely used in cognitive research and engineering applications due to its high signal-to-noise ratio (SNR). Previous studies on SSVER explored its properties in the low and medium frequency bands (< 40 Hz), without any concern of the high frequency band (40-60 Hz). High-frequency SSVER has a considerable potential in BCI applications for its...
Modulation of steady-state visual evoked potential (SSVEP) by directing gaze to targets flickering at different frequencies has been utilized in many brain-computer interface (BCI) studies. However, this paradigm may not work with patients suffering from complete locked-in syndrome or other severe motor disabilities that do not allow conscious control of gaze direction. In this paper, we present a...
A novel stimulation pattern has been designed for brain-computer interface (BCI) using steady-state visual evoked potential (SSVEP) signals. Each target is composed of two flickers placed on right-and-left visual fields. The user is expected to concentrate his or her sight on the fixation point which is located in the middle of the two flickers modulated at specific frequencies respectively. Considering...
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