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. Author manuscript; available in PMC: 2008 Mar 10.
Published in final edited form as: Behav Pharmacol. 2006 May;17(3):213–222. doi: 10.1097/00008877-200605000-00002

Fig. 3.

Fig. 3

Operant responding is suppressed only by cue exposure on the Test Day following 4 weekly Conditioning Sessions in Experiment 2. Operant responding during the Pre-CS interval did not differ between Unpaired and Paired groups. Responding during the CS 1–10 interval were suppressed equally in both Paired groups relative to their corresponding Unpaired control groups (*p < 0.05 vs. Unpaired control), and relative to Pre-CS responding in the same Paired group (†p < 0.05 vs. Pre-CS in same group). Responding during the CS 11–20 interval session were still suppressed in the Paired-Mor group relative to Pre-CS responding in the same group (†p < 0.05), and relative to the Unpaired-Mor group (*p < 0.05 vs. Unpaired control in same CS interval). Both Paired-Mor and Paired-Veh groups showed significant extinction of the conditioned suppression response in the CS 11–20 interval ($p < 0.05 vs. same group in CS 1–10 interval).