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. Author manuscript; available in PMC: 2007 May 1.
Published in final edited form as: Learn Motiv. 2007 May;38(2):155–171. doi: 10.1016/j.lmot.2006.09.001

Figure 1.

Figure 1

Experiment 1: CS X means are ANCOVA adjusted with pre-CS as the covariant. The Blk groups were those in which blocking was expected due to prior training of the competing cue in Phase 1. Higher bars indicate stronger suppression and lower bars indicate weaker suppression. Group Acq-Con served as a basic acquisition control. Enhanced blocking is evident in the lower responding to the target stimulus X in the same condition (Group Blk-Same) than in the different condition (Groups Blk-DiffA1 and Blk-DiffA2 pooled) and the control group.