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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: Hippocampus. 2016 Apr 4;26(8):1008–1020. doi: 10.1002/hipo.22583

Figure 1.

Figure 1

Aged rats are impaired in the spatial version of the Morris swim task. A. Over 4 days of training, adult rats took a significantly shorter path length to reach the hidden platform than did the aged rats. B. On the probe trial, aged rats spent significantly less time in the target quadrant than did adult rats (*p = 0.035). C. During cued trials, in which the escape platform was visible, both adult and aged rats showed improvement in performance over 2 days of training. There was no significant effect of age on either day.