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Fig. 3. Results of Experiment 1 in a real environment. (A) Only the area under the white cylinder was baited. Shown are the percentages of visits under each cylinder (shading of bar represents the colour of the cylinders in the experiments). Animals learned the task in four sessions, with three runs per day and per session. Animals practically stopped visiting unbaited cylinders (one-way RM-ANOVA, F_3,11=8.34, P<0.0001; post-hoc Bonferroni multiple comparison test, ^*P<0.01; N=6). (B) Time needed by animals to find the target area below the white cylinder was reduced over sessions (P<0.001). (C) Reversal-learning task. The black cylinder was baited. Animals learned to visit the black cylinder and practically stopped visiting the white cylinder (one-way ANOVA, F_3,11=6.67, P<0.001; post-hoc Bonferroni multiple comparison test, ^*P<0.01, N=6). (D) Time needed by animals to visit the black cylinder was reduced over the course of the trials (P=0.002). The lines over the bars depict the significance between bars/data sets and which data set was found significant compared with which other data set in the experiments.

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