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. Author manuscript; available in PMC: 2016 Sep 10.
Published in final edited form as: Neuroscience. 2015 Jun 30;303:189–199. doi: 10.1016/j.neuroscience.2015.06.050

Figure 2. Effect of age on learning and spatial memory retention.

Figure 2

Upper panels show escape hole latency throughout training (upper left panel) and in probe trials (upper right panel). Lower panels show the number of errors during training (left lower panel) and probe trials (right lower panel). Learning ability was assessed by performing six acquisition trials during three days (2 AT per day). Note that young rats show the greatest overall reduction in primary errors (errors made before the first exploration of hole 0) during acquisition. All data are represented as mean ∀ SEM. Comparisons are made versus the corresponding young data point. *: P<0.05; Number of young, old and senescent rats for AT was 30, 20 and 15 and was 42, 20 and 37 for PT, respectively.