Dual-frequency steady-state visual evoked potential for brain computer interface

被引：75

作者：

Shyu, Kuo-Kai ^{[1
]}

Lee, Po-Lei ^{[1
]}

Liu, Yu-Ju ^{[1
]}

Sie, Jyun-Jie ^{[1
]}

机构：

[1] Natl Cent Univ, Dept Elect Engn, Zhongli 320, Taoyuan County, Taiwan

来源：

NEUROSCIENCE LETTERS | 2010年 / 483卷 / 01期

关键词：

Brain computer interface; Steady-state visual evoked potential; Electroencephalography (EEG); Symmetric harmonic phenomenon; SSVEP-BASED BCI; PROSTHESIS;

D O I：

10.1016/j.neulet.2010.07.043

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

This study presents a new steady-state visual evoked potential (SSVEP) for brain computer interface (BCI) systems. The goal of this study is to increase the number of selections using fewer stimulation frequencies. This study analyzes the SSVEPs induced by six groups of light-emitting diodes (LEDs). The proposed method produces more selections than the number of stimulation frequencies through a suitable combination of dual frequencies for stimulation. Further, the six groups of LEDs are generated by four frequencies. The symmetric harmonic phenomena in this study helps increase recognition efficiency. This study tests seven subjects to verify the feasibility of the proposed method. (C) 2010 Elsevier Ireland Ltd. All rights reserved.

引用

页码：28 / 31

页数：4

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