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. Author manuscript; available in PMC: 2008 Apr 30.
Published in final edited form as: Neurobiol Learn Mem. 2007 Jan 26;87(4):644–658. doi: 10.1016/j.nlm.2006.12.007

Figure 1. Effect of post-training injections of amphetamine on PCA behavior.

Figure 1

a) Experimental design

b) PCA behavior during the training sessions expressed as a mean difference score (the number of port entries during the CS+ minus the number of port entries during the CS−) ± SEM (vehicle, n=15; AMPH – imm, n=12; AMPH – 3 hrs, n=7).

c) PCA behavior during Training Session 2 expressed as a mean difference score ± SEM (vehicle, n=15; AMPH – imm, n=12; AMPH – 3 hrs, n=7). The data from the session is separated into 3 bins that each consist of 5 individual trials. *P<.05