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. 2015 Dec;22(12):589–593. doi: 10.1101/lm.039479.115

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© 2015 Coelho et al.; Published by Cold Spring Harbor Laboratory Press

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Figure 2. — Effect of compound extinction of an extinguished CS on spontaneous recovery. Mean differential SCR score (CSA or CSA/CSB minus CS−) during late Acquisition, late Extinction 1 and 2, early Recall and early Reinstatement test of the experimental groups (CTL, N = 26, and DE, N = 25). Acquisition in both groups was significantly higher than in both Extinction blocks. Spontaneous Recovery was found in the CTL group but not in DE group, as shown by comparison of Recall with Extinction 2. Error bars represent standard error, “*” shows difference between CTL and DE groups, P < 0.05, “**” shows difference between Recall and Extinction 2 in the same group, P < 0.05, “#” shows difference between Acquisition and Extinction, P < 0.01.