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. Author manuscript; available in PMC: 2011 Mar 17.
Published in final edited form as: Behav Brain Res. 2009 Nov 13;208(1):270. doi: 10.1016/j.bbr.2009.11.014

Figure 1.

Figure 1

Effects of five different doses of amphetamine and saline control on SIGN-CR and GOAL-CR behavior. Significant differences between saline and individual amphetamine doses are indicated by *, p<.05. A) Number of responses as a function of dose. B) Number of trials during which at least one response occurred. C) Head entries per second for intertrial interval periods (ITI), during the conditioned stimulus (CS), and during presentation of the unconditioned stimulus (US), as a function of amphetamine dose.