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The modified 10–20 system electrode montage was used in this study. The sites used in the data analyses are indicated using enlarged circles. Electrode columns: laterality electrodes—left (L): FP1, F3, C3, P3, O1; midline (M): FPz, Fz, Cz, Pz, Oz; right (R): FP2, F4, C4, P4, O2. Anteriority electrodes—prefrontal: FP1, FPz, FP2; frontal: F3, Fz, F4; central: C3, Cz, C4; parietal: P3, Pz, P4; occipital: O1, Oz, O2. Mastoid electrodes: A1 (left), A2 (right).
