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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: Int J Dev Neurosci. 2008 Apr 18;26(6):599–610. doi: 10.1016/j.ijdevneu.2008.04.002

Fig. 4.

Fig. 4

Morris water maze performance during the 3 phases of hidden platform learning shown separately by rearing conditions (standard vs. pE (partial enrichment)). Data are (mean ± SEM) for cumulative distance from the platform measured every 0.1 s and averaged across trials, days, and sexes. A: acquisition (10 × 10 cm platform; B: reversal (10 × 10 cm platform), C: shifted-reduced platform trials (5 × 5 cm platform). For each phase, there were 4 trials/d for 5 consecutive days. **P < 0.01 vs. SAL. Rearing condition was a significant main effect but did not interact with drug treatment during acquisition. With males and females combined, groups sizes are for standard/pE rearing: Saline = 39/40, MA-10 = 39/39, MA-15 = 38/34, MA-20 = 37/38, MA-25 = 32/31.