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. Author manuscript; available in PMC: 2008 Aug 22.
Published in final edited form as: Behav Brain Res. 2007 May 22;182(1):57–66. doi: 10.1016/j.bbr.2007.05.004

Figure 2.

Figure 2

Mean appetitive responding (CS minus pre-CS) ± S.E.M. to both stimuli (CS+ and CS−) during the discrimination acquisition phase for the unrestricted (Figure 2a) and the restricted (Figure 2b) groups (8 trial blocks).