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. 2023 Aug 17;22(5):e12862. doi: 10.1111/gbb.12862

FIGURE 1.

FIGURE 1

EEG Electrodes and Coherence Pairs used for Electrophysiological Recordings and Analyses in COGA. (A) Sixty‐one scalp electrodes are used to record EEG and ERPs in frontal (F), central (C), parietal (P), occipital (O), left‐temporal (LT) and right‐temporal (RT) regions. Even numbers signify the right side of the head, while odd numbers signify the left side, and Z signifies the center; the numbers indicate coordinates ascending from the center to the periphery of the scalp. (B) Bipolar electrode pairs used as the coherence measures of resting state EEG.