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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Neurobiol Learn Mem. 2013 Sep 18;113:35–40. doi: 10.1016/j.nlm.2013.09.005

Fig. 1.

Fig. 1

Extinction after CR or PR training paradigms with intra-hippocampal drug infusions. NR2A blockade with NVP prevented extinction after CR (A), whereas NR2A or NR2B inhibition enhanced extinction after PR (B). * NVP vs. vehicle p < 0.05. ** NVP vs. vehicle p < 0.01. ## Ro vs. vehicle p < 0.05. ## Ro vs. vehicle p < 0.01. Arrows indicate intra-hippocampal infusions.