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Development of 16-channels Compact EEG System Using Real-time High-speed Wireless Transmission

 B. R. Myung  ;  S. K. Yoo 
 ENGINEERING, Vol.5(5B) : 93-97, 2013-05 
Journal Title
Issue Date
Electroencephalography ; High-speed Wireless Transmission ; Real-time
For the convenience of people with disability and for normal people, a demand for intelligent interfaces is ever increas-ing and therefore related studies are actively being conducted. Recently a study is being conducted to develop an inter-face through face expression, movement of the body and eye movements, and further more active attempts to use elec-trical signals(brainwave, electrocardiogram, electromyogram) measured from the human body is also actively being progressed. In addition, the development and the usage of mobile devices and smart devices are promoting these re-search activities even more. The brainwave is measured by electrical activities between nerve cells in the cerebral cor-tex using scalp electrodes. The brainwave is mainly used for diagnosis and treatment of diseases such as epilepsy, en-cephalitis, brain tumors and brain damage. As a result, the brainwave measurement methods and analytical methods were developed. Interface using the brainwave will not go through language or body behavior which is the result of the information processed by the brain but will pass directly to the system providing a brain-computer interface (BCI). This is possible because a variety of the brainwave appears depending on the human’s physical and mental state. Using the brainwave with the intelligent brain-computer interface or combining it with mobile devices and smart devices, regard-less of space constraints, the brainwave measurement should be possible.[4,7] In this study, in order to measure the brainwave without spatial constraint, 16 channel compact brainwave measurements system using a high-speed wireless communications were designed. It was designed with a 16 channel to classify the various brainwave patterns that appear and for estimating the location of the nerve cells that triggered the brainwave. And in order to transmit the brainwave data within the channel without loss, a high-speed wireless communication must be possible that can enable a high-speed wireless transmission more sufficient than the Bluetooth, therefore, 802.11 compliant Wi-Fi communication methods were used to transfer the data to the PC. In addition, by using an analog front-end IC having a single-chip con-figuration with real-time digital filters, the miniaturization of the system was implemented and in order to verify the system Eye-blocking was used to observe the changes in the EEG signal.
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1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
Yonsei Authors
Yoo, Sun Kook(유선국) ORCID logo https://orcid.org/0000-0002-6032-4686
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