Biomedical Engineering and Mechatronics
08:30 - 10:00 | Wed 30 May | SD1 | W.1.2
In recent times, Steady State Visually Evoked Potentials (SSVEP) based BCI have gained popularity over different types of brain signals as they prove to demonstrate interesting results. It is important to understand the behavior of brain signals with the change of frequency and distance to the stimuli used to evoke them. In this paper, we have looked at the behavior of the SSVEP signals over 4 varying stimuli frequencies and 4 varying distances between the subject and the stimulus. It was found that the strongest SSVEP were elicited in the lower frequency range around 8Hz and a distance up to 100 cm can have a significant effect on the elicited SSVEP signals.
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