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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Psychol Rev. 2014 Jul;121(3):526–558. doi: 10.1037/a0037018

Figure 15.

Figure 15

Experimental data (left) and simulated results (right) of an experiment by Gonzalez, Quinn and Fanselow (2003) on asymmetrical generalization decrements after the addition and subtraction of stimuli from a training compound. Note that responding to the training stimulus is represented by the black bar in the “Training A” condition, but by the grey bar in the “Training AB” condition. The only statistically significant reduction in responding in the experimental data is for stimulus A after training with AB. Responding to all other test stimuli is not statistically different from responding to the training stimuli. The simulation qualitatively reproduces this pattern of results.