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A, CI-1017 had no significant effect on the percent of trials with apparent CRs during 15 behavioral control sessions that presented unpaired tones and air puffs, i.e., there was no pseudoconditioning. B, CI-1017 had no significant effect on the rate of learning when the same rabbits were subsequently switched to the delay conditioning paradigm for five daily sessions. D, Drug at 5 mg/ml; V, vehicle control.
