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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Neuroimage. 2011 Dec 17;60(1):728–737. doi: 10.1016/j.neuroimage.2011.12.013

Fig. 7.

Fig. 7

Comparisons of histogram plots of correlation coefficients over all subjects in the analyzed ROIs. Blue bins = data for minimal fatigue stage, red bins = data for significant fatigue stage. Voxels with very-low correlation (r<0.001) were excluded for better visualization of coefficient distribution of the voxels in each ROI. In the significant fatigue stage, a larger number of voxels (red bins) can be seen with higher correlation (FC with seed area) values especially in the PFC.