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. 2014 Jul 8;4(7):e410. doi: 10.1038/tp.2014.54

Figure 2.

Figure 2

Open field and novel object tests. Rats exposed to the entire stress protocol (Full PPS or Peripubertal Stress) showed no differences in the entries in the center zone (exploration area) during the OF test (a). Juvenile Stress animals performed fewer entries in the center as compared with their corresponding CTRL rats (b). Puberty Stress rats showed no differences for their entries into the center zone compared with CTRL Puberty rats (c). When an object was placed in the exploration area of the OF, Full PPS animals spent more time in the center of the arena (d), less time in the periphery (e) and an increased distance traveled in the arena compared with CTRL Full animals (f), suggesting an increase in object exploration. However Juvenile Stress (g–i) and Puberty Stress (j–l) animals showed no differences in the parameters of the novel object exploration test compared with their CTRL cohorts. (N: CTRL Full=14, Full PPS=16, CTRL Juvenile=10, Juvenile Stress=20, CTRL Puberty=16, Puberty Stress=16), *P<0.05, **P<0.01 versus CTRL, results are the mean±s.e.m.