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. 2015 Feb 1;14(2):189–199. doi: 10.1111/gbb.12195

Figure 5.

Figure 5

Variable intertrial interval (VITI) in the 5-Choice Serial Reaction-Time Task: attention, perseveration and impulsivity. There was no main effect of colony on either %omissions or perseveration (a and b). However, %omissions were lower in NK1R-/- mice when tested in the afternoon (a) and NK1R-/- mice displayed greater perseveration than wildtype mice, overall (b). The effect of genotype on premature responses depended on colony: in the Homs colony, premature responses were greater in NK1R-/- mice compared with wildtypes, whereas this was not the case for the Het colony (c). Lines indicate comparisons between the main factors or groups. Bars show mean ± SEM. *P < 0.05, **P < 0.01; n.s., non-significant. N = 10–12 per group.