Maternal aggression in Wistar rats: effect of 5-HT2A/2C receptor agonist and antagonist microinjected into the dorsal periaqueductal gray matter and medial septum. R.M.M. de Almeida, M. Giovenardi, S.P. da Silva, V.P. de Oliveira and D.J. Stein. Brazilian Journal of Medical and Biological Research, 38 (3): 597, 2005.

 

Figure 1. Effects of a-methyl- 5-hydroxytryptamine maleate (5-HT2A/2C), ketanserine and/or saline microinjected into the dorsal periaqueductal gray matter (DPAG) in a dose range of 0.2-1.0 g/0.2 l. Data are reported as the mean frequency SEM of lateral threats, attacks and bites during a 10-min test against an intruder male by lactating female rats. N = number of animals. P < 0.05 compared to the saline group; bP < 0.05 compared to the ketanserin group (ANOVA followed by the Newman-Keuls test).