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. 2015 Mar 25;10(3):e0119025. doi: 10.1371/journal.pone.0119025

Fig 4. Salivary alpha-amylase activity during an acute mental stress test in non-stressed (NS) and stressed (S) subjects.

Fig 4

A. Salivary alpha-amylase activity assessed prior to the Stroop test (T1), immediately after the Stroop test (T2) and five minutes after the test (T3) in non-stressed and stressed males subjects. B. Salivary alpha-amylase activity assessed at T1, T2 and T3 in non-stressed and stressed females subjects. (*) Indicates significant differences, p ≤ 0.05 (One-way ANOVA).