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Experiment 3: performance on the heterogeneous chain of instrumental actions presented as actions per opportunity in each second after performance of either the lever press or chain pull actions presented separately for each of the possible orders of these responses and for animals in group Sham (left panel) and group BLA (right panel). For half of the rats in each group, A1 was lever pressing and A2 was chain pulling, whereas for the remaining rats these assignments were reversed.
