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. 2010 Nov 10;278(1707):898–905. doi: 10.1098/rspb.2010.1891

Figure 2.

Figure 2.

Experiment 1. (a) Example of the conditioning and testing procedure. Half of the bees were rewarded on the ‘target above bar’ relation whereas the other half was rewarded on the ‘target below bar’ relation. The transfer test was not rewarded. (b) Acquisition curve during training (percentage of correct choices as a function of blocks of five trials) and performance (cumulative choices during 45 s test) in the non-rewarded transfer test (white bar). Data shown are means and s.e.m. (n = 8). Bees succeeded in learning the rule based on the above versus below relationship and in transferring the concept to novel stimuli (*p < 0.05; ***p < 0.001).