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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Behav Neurosci. 2012 Aug 13;126(5):670–680. doi: 10.1037/a0029600

Figure 2.

Figure 2

Results of Experiment 1. As in previous studies, rats with CeA lesions showed deficits in the acquisition of conditioned orienting responses (activity; Panel A) but not conditioned food-related responses (food cup; Panel B) to the reinforced noise (N+) conditioned stimulus (CS) during the initial acquisition phase of Experiment 1. Most important, discrimination of food cup responding between reinforced noise (N+) and nonreinforced light + noise (LN−) compound trials in feature negative discrimination training was unaffected by the lesions (Panel C). The abscissa points labeled “pre” refer to responding in the periods immediately prior to CS presentations. The designations CeA and sham refer to rats with neurotoxic or sham lesions of the amygdala central nucleus (CeA), respectively.