Computational Intelligence and Neuroscience / 2008 / Article / Fig 2

Research Article

A Novel Design of 4-Class BCI Using Two Binary Classifiers and Parallel Mental Tasks

Figure 2

Experimental paradigm begins with a blank screen. After 2 seconds, a fixation cross appears and an audio tone warns the subject to prepare. At second three, an arrow appears on the screen, indicating the motor imagery the subject should perform (adapted from [1]).

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