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Fig. 7 | Molecular Brain

Fig. 7

From: Increased depression-related behavior during the postpartum period in inbred BALB/c and C57BL/6 strains

Fig. 7

Replication of behavioral results in BALB/cAJcl female mice. A series of behavioral tests was performed in independent groups of nulliparous and lactating primiparous BALB/cAJcl females (n = 12, each group). a–d Open field test: a distance traveled (cm), b vertical activity, c center time (s), and d stereotypic counts during three 10-min blocks. e–i Light/dark transition test: e distance traveled (cm) in the dark chamber, f distance traveled (cm) in the light chamber, g time spent in the light chamber (s), h number of transitions between the light and dark chambers, and i latency to enter the light chamber (s). j–o Elevated plus maze test: j distance traveled (cm), k number of total arm entries, l time spent in closed arms (s), m entries into open arms (%), n time spent in open arms (%), and o time spent in center area (s). p–s Porsolt forced swim test: p immobility time (%) on day 1, q distance traveled (cm) on day 1, r immobility time (%) on day 2, and s distance traveled (cm) on day 2. t Immobility time (%) in the tail suspension test. Females showing tail-climbing behavior for more than 30 s in total during the test period were excluded from the analysis. u 1% sucrose preference (%). Values are means ± SEM. Dashed enclosures in the figure indicate the results replicated in another independent experiment (see Figs. 2, 4, and 5). *p < 0.05, compared with nulliparous females

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