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Peer reviewed
Direct linkEffting, Marieke; Vervliet, Bram; Beckers, Tom; Kindt, Merel – Learning and Motivation, 2013
Extinction is generally more context specific than acquisition, as illustrated by the renewal effect. While most strategies to counteract renewal focus on decreasing the context specificity of extinction, the present work aimed at increasing the context specificity of acquisition learning. Two experiments examined whether presenting cued…
Descriptors: Stimuli, Cues, Learning Processes, Prediction
Vervliet, Bram; Iberico, Carlos; Vervoort, Ellen; Baeyens, Frank – Learning and Motivation, 2011
Generalization gradients have been investigated widely in animal conditioning experiments, but much less so in human predictive learning tasks. Here, we apply the experimental design of a recent study on conditioned fear generalization in humans (Lissek et al., 2008) to a predictive learning task, and examine the effects of a number of relevant…
Descriptors: Animals, Research Design, Testing, Conditioning
Meulders, Ann; Vervliet, Bram; Vansteenwegen, Debora; Hermans, Dirk; Baeyens, Frank – Learning and Motivation, 2011
Unpredictability of an unconditioned stimulus (US) typically produces context conditioning in animals and humans. We modified the Martians task--a computer game measuring learning of Pavlovian associations through conditioned suppression--for assessing context conditioning in humans. One between-subjects and one within-subjects study are reported.…
Descriptors: Animals, Stimuli, Classical Conditioning, Games
Vervliet, Bram; Vansteenwegen, Deb; Hermans, Dirk – Learning and Motivation, 2010
Extinction is generally more fragile than conditioning, as illustrated by the contextual renewal effect. The traditional extinction procedure entails isolated presentations of the conditioned stimulus. Extinction may be boosted by adding isolated presentations of the unconditioned stimulus, as this should augment breaking the contingency between…
Descriptors: Conditioning, Learning Processes, Context Effect, Stimuli
Effting, Marieke; Vervliet, Bram; Kindt, Merel – Learning and Motivation, 2010
Using a conditioned suppression task, two experiments examined retrospective revaluation effects after serial compound training in a release from overshadowing design. In Experiment 1, serial X [right arrow] A+ training produced suppression to target A, which was enhanced when preceded by feature X, whereas X by itself elicited no suppression.…
Descriptors: Experiments, Task Analysis, Evaluation Methods, Cues
Baeyens, Frank; Vervliet, Bram; Vansteenwegen, Debora; Beckers, Tom; Hermans, Dirk; Eelen, Paul – Learning and Motivation, 2004
Using a conditioned suppression task, we investigated simultaneous (XA-/A+) vs. sequential (X [right arrow] A-/A+) Feature Negative (FN) discrimination learning in humans. We expected the simultaneous discrimination to result in X (or alternatively the XA configuration) becoming an inhibitor acting directly on the US, and the sequential…
Descriptors: Classical Conditioning, Discrimination Learning, Experiments, Inhibition
