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. 2013 Aug 16;8(8):e72006. doi: 10.1371/journal.pone.0072006

Figure 3. Effect of Zif268 gene dosage on the reconsolidation of 1 and 8 days-old CFC memories.

Figure 3

A) Experimental design. Zif268+/− mice were trained (Tr.) and retrieval sessions (Ret.1 and Ret.2) were conducted in independent groups 1 and 9 days, 2 and 9 days or 8 and 9 days after training. B) Freezing behavior was measured in Zif268+/− mice during each test session 1 and 9 days (grey circles), 2 and 9 days (grey triangles) or 8 and 9 days (grey squares) following training. The reconsolidation deficit observed in Zif268+/− mice is not observed when the memory has been encoded 8 days earlier. Data are means ± SEM; n = 9–10 mice per group. **p<0.01, present versus past retrieval.