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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: J Exp Psychol Anim Learn Cogn. 2015 Mar 23;41(2):179–192. doi: 10.1037/xan0000061

Figure 2.

Figure 2

Results of Experiment 2. The upper panels summarize mean R1 responding (± SEM) during its acquisition (left), extinction (middle), and during resurgence testing compared with the final Phase 2 session (right; note changed y-axis). Corresponding R2 rates are summarized in the lower panels.