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. 2021 Apr 23;15:620958. doi: 10.3389/fnhum.2021.620958

FIGURE 3.

FIGURE 3

(A) Mean oxygenated hemoglobin concentration in the left DLPFC in the pre-training and post-training periods of the control and HIIT groups. (B) Mean oxygenated hemoglobin concentration in the left OFC in the pre-training and post-training periods of the control and HIIT groups. Error bars represent standard deviations. *p < 0.05.