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. 2015 Jul 9;10(7):e0131951. doi: 10.1371/journal.pone.0131951

Fig 4. Group mean (n = 9) cortical oxygenated (O2Hb) and deoxygenated (HHb) hemoglobin contrast maps between the voluntary (VOL) and NMES conditions at percentages of the individual maximal tolerated current intensity (MTI).

Fig 4

The vertical colored scale indicates the significance level based on the uncorrected p-values (p<0.05-p<0.0001).