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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Behav Brain Res. 2014 Apr 18;276:59–66. doi: 10.1016/j.bbr.2014.04.002

Figure 1.

Figure 1

Pavlovian conditioned approach. Development of different conditioned responses in sign-trackers (ST, n = 28), intermediate responders (IR, n = 37), and goal-trackers (GT, n = 29) during Pavlovian pairing of a lever CS and a food US, as a function of day of training. Data points are mean ± SEM for (A) number of lever contacts, and (B) number of food cup entries during the lever presentation.