Power spectrum on SSVEP in eye blinking

The BCI on SSVEP is used as a switching device. Therefore, many researchers do not focus on the SSVEP in long-term recordings. However, the SSVEP is not always generated in watching flashing visual stimuli. In this research, we focus on the SSVEP in long-term recordings and relationship between SSVEP and eye blink. In this research, we showed flashing visual stimuli. Frequencies of these stimuli are 15 [Hz]. Subjects are 3 males. The visual stimuli are shown during 120 [sec]. As results, we confirmed that SSVEPs is not always generated and the power of SSVEPs has fluctuation. Next, we confirmed relationship between powers of SSVEPs and eye blink. In 1 [sec] later from eye blink, powers of SSVEPs increased more than the power before eye blink. © 2014, Japan Soc. of Med. Electronics and Biol. Engineering. All rights reserved.