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The oxygenation values for pre- and post-exercise 2-Back sessions in left (A), center (B) and right (C) areas of PFC in high and low performance groups. Within group significances are marked with “*” (where “*” denotes p < 0.05, “**” denotes p < 0.01, and “***” denotes p < 0.001); between group significances are marked with “#” (where “#” denotes p < 0.05).
