highly significantp < 0.001
On the second day after a 10-day session of electric shocks in Context 1, the context conditioning was observed as a highly significant difference of behavioral response amplitudes in two contexts in all groups (panel “after learning”, Figure 3B , p < 0.001 for all groups, Wilcoxon Signed Rank Test, z = 3.6 for G1, z = 3.9 for G2, z = 3.5 for G3).