Figure 6.

Influence of (A) aminergic blockers and (B) agonists on the enhancing effect of prior male-AS on fights between losers against winners matched 15 min after a previous fight (labels as in Figure 5, but for different animals). Asterisks indicate statistically significant differences between data sets (U-test: ^*p < 0.05, ^**p < 0.01, ^***p < 0.001, n.s., not significant). All data are given in Table 3.