Abstract
Steady-state visual evoked potentials (SSVEPs) are responses to repetitive stimuli modulated at a constant temporal frequency on the central retina [1]. Using SSVEPs, Brain-computer interface (BCI) is an interactive system with high potentials. And brain-display interactive (BDI) systems can be regarded as a special type of exogenous BCIs, in which images appear on the displays are used as stimuli to evoke electroencephalographic (EEG) responses from viewers’ visual cortices. For the practical purpose of inducing strong responses, most SSVEP-BCIs employ visual stimuli in the low-frequency band, which causes visual fatigue, migraine headaches and occasionally seizures.
© 2014 Japan Society of Applied Physics, Optical Society of America
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