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Rats were exposed to a radial maze containing six black smooth arms and six wire-grid-covered arms and a striped exit arm in experiment1. The probability of a black or grid arm being baited (5/6 vs 1/6) with sunflower seeds was associated with its proximal cue for some rats (the Relevant Arm Cue group) but not for others (the Irrelevant Arm Cue group). All rats could terminate a trial and receive...