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Brain wave analysis system using amplitude-modulated steady-state visual evoked potential visual stimulus
Brain wave analysis system using amplitude-modulated steady-state visual evoked potential visual stimulus
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机译:使用振幅调制的稳态视觉诱发电位视觉刺激的脑电波分析系统
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摘要
The present invention, analyze the EEG caused by visual stimuli and brain-computer interface applied to BCI (Brin Computer Interface) system to build a steady-state visual evoked potentials for generating device (steady-state visual evoked potential, SSVEP) and EEG analysis using this method on that, according to the present invention, the conventional steady-state visual evoked potential ( SSVEP) based brain-computer interface (BCI) is used because the low frequency stimulation of 7 ~ 20Hz in order to give the user a visual stimulus is easy to feel fatigue, photosensitivity to solve the problems that could cause the user to fit, 30Hz or more analyzing brain waves resulting from the use of a high-frequency amplitude-modulated visual stimuli, and brain-computer interface by applying, to a more stable system by using the BCI peak occurring in two or more frequency when making a final decision to reduce user fatigue EEG analysis method using the steady state visually evoked potential generated by the device, and this amplitude-modulated visual stimulus is provided that can be deployed. ; 展开▼