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. 2014 Jun 11;9(6):e99235. doi: 10.1371/journal.pone.0099235

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© 2014 Nakanishi et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Time series sequences of (A) flickering signal, (B) real stimulus signal and (C) elicited SSVEPs by 10 Hz stimuli presented on a CRT monitor with a 75 Hz refresh rate, and (D) flickering signal, (E) real stimulus signal and (F) elicited SSVEPs by 10 Hz stimuli under a 120 Hz refresh rate. Amplitude spectra of (G) flickering signal, (H) real stimulus signal and (I) elicited SSVEPs by 10 Hz stimuli under the 75 Hz and 120 Hz refresh rates.