Fatigue-associated alterations of cognitive function and electroencephalographic power densities.

Although the percent errors of Task 1 ( Figure 2A ) and Task 2 for non-Stroop trials ( Figure 2D ) did not reach statistical significance (Spearman's correlation coefficient = 0.386; p = 0.126; Spearman's correlation coefficient = 0.391; p = 0.121, respectively), Task 2 showed a trend toward a positive association (Spearman's correlation coefficient = 0.478; p = 0.052) ( Figure 2B ).

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