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. Author manuscript; available in PMC: 2013 Jun 15.
Published in final edited form as: Behav Brain Res. 2012 Apr 4;232(1):202–209. doi: 10.1016/j.bbr.2012.03.042

Figure 3.

Figure 3

Length of the mean delay per session for Group 1 mice from 9 to 24 months of age. Each data point represents the mean ± S.E. There was not a significant overall effect between the two lines (F(1,15)=2.093, p>0.05), nor was there a significant effect between the months (F(1,15)=0.842, p>0.05); there was a significant interaction between line and month (F(1,15)=2.214, p<0.05). A significant difference (p<0.05) between the two lines on specific months is indicated by *. The values for the n in the legend indicate the number of animals included in the data points at 9 months of age before the arrow, and the number of animals included in the data points at 24 months of age after the arrow.