a trend toward significanceP = 0.06
A two‐way ANOVA performed in all groups showed a nonsignificant effect of drug (F1, 36) = 0.1) but a significant effect of stress (F(1, 36) = 11.3; P = 0.01) and a trend toward significance on the interaction between factors (F(2, 36) = 3.59; P = 0.06).