Fig. 4.
Means of Experiment 2 (retardation test). The CI groups were those in which retardation of conditioned inhibition was expected due to inhibition training and posttraining inflation of companion stimulus A. The Cntl groups served as controls for the retardation test. Enhanced conditioned inhibition is evident in the lower responding to the target stimulus X in groups Inflate-CI than in group NoInfl-CI relative to each of their controls, group Inflate-CI and group NoInfl-Cntl, respectively.