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. Author manuscript; available in PMC: 2008 Nov 1.
Published in final edited form as: Neurobiol Learn Mem. 2007 Sep 14;88(4):393–408. doi: 10.1016/j.nlm.2007.07.015

Fig. 1.

Fig. 1

Time spent with the objects during the choice phase of the object recognition task conducted 24 hrs (A-C) or 48 hrs (D-F) after the sample phase. Chance performance is indicated by the dotted line at 15 sec. *p < 0.05 relative to chance. Each bar represents the mean ± standard error of the mean (SEM) of each group for a single phase of testing. Std-Veh = Standard-Vehicle, Std-E2 = Standard-E2, Enr-Veh = Enriched-Vehicle; Enr-E2 = Enriched-E2.