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Updated: Aug 10, 2026

Cross-Modal Multivariate Pattern Analysis
Published on: November 9, 2011
Relationships between the determinants of performance in serial feature-positive discriminations
Abstract:
Three experiments using an appetitive behavioral observation procedure with rats investigated the effects of various pre- and postdiscrimination treatments on learning and performance in serial feature-positive discriminations. Previous work suggests that performance in this discrimination is based on feature-unconditioned stimulus (US) associations, feature-common element associations, and a conditional occasion-setting relation. Experiment 1 examined the effects of prediscrimination reinforcement of the various components of the discrimination. Experiments 2 and 3 investigated the effects of various postdiscrimination nonreinforcement and reinforcement procedures, respectively, on performance of previously established discriminative responding. The results of the present studies and those of previous work are interpreted to show that the conditional occasion-setting relation may be independent of feature-US associations and may not be dependent on feature-common element associations. The implications of assumming that rats used conditional information independently of simple associations are discussed.
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