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. 2013 Oct 31;8(10):e78598. doi: 10.1371/journal.pone.0078598

Figure 5. Open field test.

Figure 5

Spontaneous activity and exploratory behaviour of CTR (black, n = 17), HET (half tone, n = 16) and cKO mice (white, n = 18) was recorded over a time period of 20 min in the open field arena. Means + SEM are shown. (A) Total distance of movement during the habitation period in the open field (P = 0.138). (B) Illustration of two representative sample tracks from a CTR (left) and cKO (right) animal. (C) Percentage of total time spent in the inner squares of the open field. (D) Average speed of mice during movement within the central (left) and peripheral (right) area. ### P<0.01; *** P<0.001 (Kruskal-Wallis one way ANOVA on ranks & Dunn's post hoc test)