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. 2016 May 23;10:95. doi: 10.3389/fnbeh.2016.00095

Figure 5.

Figure 5

Main variables that are correlated with SRTT (A) and Go-NoGo variables (B). Each line represents a significant correlation (r coefficient and p values written closed to the lines) between two variables. The strength of the relationship is symbolized by the thickness of the arrow. Thin arrows represent weak but significant correlations (p < 0.05) and thicker arrows symbolize more significant ones (p < 0.01 and p < 0.001). Blue lines represent correlations between test (or MWT latencies) variables and age of subjects. Green lines represent correlations between test variables and MWT latencies. Red lines represent correlations between variables inside each cognitive test; SRTT (A) and Go-NoGo task (B). Black lines represent correlations between test variables and morning α-amylase concentrations in saliva samples.