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. Author manuscript; available in PMC: 2012 Sep 6.
Published in final edited form as: Int J Neuropsychopharmacol. 2010 Dec 15;14(9):1195–1207. doi: 10.1017/S1461145710001483

Fig. 4.

Fig. 4

MAOA KO mice display a marked reduction in fear-related behaviours in the presence of an anaesthetized rat. (a, b) MAOA KO mice exhibit a significant decrease in the latency to emerge and the percent time in the start chamber compared to WT mice. (c, d) Similarly, MAOA KO mice show an increase in the percent time in the open chamber, but no significant alterations in locomotor activity. (e, f) Moreover, MAOA-deficient mice engaged in significantly more predator sniffing behaviour than their WT counterparts. All values are represented as means ± S.E.M. * p < 0.05, ** p < 0.01 compared to WT mice.