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. 2021 Jul 14;15:690633. doi: 10.3389/fnins.2021.690633

FIGURE 2.

FIGURE 2

General block diagram of the proposed system. (A) Electrode position; (B) EEG signal, where the horizontal axis represents time and the vertical axis represents electrodes; (C) adjacent matrix, and the values in each cell represent PDC or DTF we calculated; (D) functional brain network.