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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2016 Jul 13;25(6):704–714. doi: 10.1109/TNSRE.2016.2590959

Fig. 3.

Fig. 3

Sequential coding tree (NX = 2,NM = 7) and corresponding codebook. ci,j denotes the brain symbols assigned to task symbol mi in query j of a decision sequence.