Figure 7. (A) The updated D2 scores of the Sham and ATNx animals for the odor recognition task in the bow-tie maze. (B) The updated D2 scores for the two sample phases and the recency (test) phase of the between-block odor recency task. Data shown are group means, and the vertical bars are the standard error of the means (SEM). Zero represents chance (i.e., exploring novel and familiar items equally). SP1 = sample Phase 1; SP2 = sample Phase 2. Significantly different from chance: *p < .05. **p < .01. ***p < .001.