Research Article

Collective Housing of Mice of Different Age Groups before Maturity Affects Mouse Behavior

Figure 6

Effect of group housing condition on depressive-like behavior. Graphs showing the proportion of total time spent immobile (a) and the proportion of time spent immobile in each 1 min period (b) in the tail-suspension test. Graphs showing the proportion of total time spent immobile (c) and the proportion of time spent immobile in each 1 min period (d) in the Porsolt forced-swim test. All data are presented as box plots. Significant difference in comparison with controls (). The values were calculated using the two-way ANOVA in (a) and (c), and two-way repeated measures ANOVA in (b) and (d).