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. Author manuscript; available in PMC: 2017 May 15.
Published in final edited form as: Behav Brain Res. 2016 Feb 22;305:23–29. doi: 10.1016/j.bbr.2016.02.021

Figure 3.

Figure 3

A schematic of the maze used in Experiments 2 and 3. In the study phase, two randomly selected locations provide chocolate (shown in dark grey) – one encountered via self-exploration (self-generated chocolate location) and the other encountered through placement by the experimenter (experimenter-generated chocolate location; indicated by the hand icon). The experimenter-generated chocolate location replenished after a retention interval, whereas the self-generated chocolate location did not replenish. Other locations were baited with standard chow-flavored food, which never replenished.