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. Author manuscript; available in PMC: 2010 Apr 15.
Published in final edited form as: J Exp Psychol Anim Behav Process. 2008 Jan;34(1):119–132. doi: 10.1037/0097-7403.34.1.119

Figure 4.

Figure 4

Food cup responding on trials with the minimally- and extensively-trained conditioned stimuli (CSs) in in the test session of Experiment 1. The original sucrose reinforcer had been devalued by immediate pairings with lithium chloride injections in the Devalue (Dev) groups, but its value was maintained in the Maintain (Main) groups. Responding is shown separately for the successive periods prior to the CS (pre-CS), during the CS alone, and during the CS while water was delivered to the food cup. The top panel shows responding in the first half of the test session and the bottom panel shows responding in the second half of the session.