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. 2012 Nov 1;6:157. doi: 10.3389/fnins.2012.00157

Figure 2.

Figure 2

Salivary cortisol area under the curve with respect to increase (AUCI) by experimental group. Note, negative AUCI values (indicating a decrease in salivary cortisol over the course of the experiment) were retained as an “index of decrease” as recommended by Pruessner et al. (2003).