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. 2013 Sep 23;7:172. doi: 10.3389/fnins.2013.00172

Figure 1.

Figure 1

System overview. The red arrow indicates the flow of the SSVEP-based BCI system and the blue arrow indicates the flow of a combined BCI system based on both P300 and SSVEP. In this study, we focused on use of the SSVEP-based BCI system to control upper limb movements asynchronously by means of BOTAS.