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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Behav Brain Res. 2015 Feb 23;286:71–79. doi: 10.1016/j.bbr.2015.02.033

Figure 4.

Figure 4

The effect of pup odors on changes in alloparents' activity (4A) and heart rate (4B) relative to baseline prior to pup exposure (* denotes significant difference from baseline, p < 0.05). Odors from pups ≥ PND-10 produced no significant effect on either activity of heart rate, whereas odors from PND-3 pups produced significant increases in both activity and heart rate. For the sake of comparison, the effects of a pup across a barrier in a Divided Cage are reproduced from [5] and the Live Pup data is reproduced from Experiment 1. Note that free access to a Live Pup produced a significant decrease in activity.