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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Clin Neurophysiol. 2015 Feb 7;126(11):2124–2131. doi: 10.1016/j.clinph.2015.01.013

Figure 1.

Figure 1

A. The BCI user’s monitor displayed a 6×6 matrix with the calibration word in a gray text-to-spell bar across the top. Target characters were cued one at a time in parenthesis after the word. A set of characters in the pseudo-random fashion of the CB mode is illuminated (flashed). Here, the user is asked to count the flashes of the target character “R” in the calibration word “BROWN.” B. The 16 channels of EEG collected during the evaluation and the 8-channel standard subset used for classification (dashed circles).