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. Author manuscript; available in PMC: 2008 Jan 25.
Published in final edited form as: Behav Brain Res. 2006 Nov 17;176(2):333–343. doi: 10.1016/j.bbr.2006.10.023

Fig. 4.

Fig. 4

Mean numbers of ZENK-labeled cells counted in (A) POM, (B) LSc.vl, (C) BSTm(v), (D) GCt, and (E) VTA. Black bars are breeding condition males with nestboxes; gray bars, breeding condition males without nestboxes; white bars, non-breeding condition males. Asterisk indicates significant differences between breeding condition males with nestboxes and those without nestboxes (p<0.05; Student’s t-tests). Data from non-breeding condition males were not statistically compared to breeding condition males due to methodological differences.