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Infralow frequency neurofeedback: concussion protocol. (A) Standard 10–20 EEG nomenclature diagram of scalp sites for electrode placement. (B) Diagram of selected scalp placements in concussion protocol; shaded nodes indicate all electrode placements used; shaded edges (1–5) indicate sequential positioning of consecutive bipolar lead electrodes: T4-O2, T4-FP2, T4-T3, T3-O1, and T3-FP1.
