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ERIC Number: EJ906779
Record Type: Journal
Publication Date: 2011-Feb
Pages: 15
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0023-9690
Context-Outcome Associations Mediate Context-Switch Effects in a Human Predictive Learning Task
Leon, Samuel P.; Abad, Maria J. F.; Rosas, Juan M.
Learning and Motivation, v42 n1 p84-98 Feb 2011
Four experiments explored the role of contexts in information retrieval after different levels of acquisition training in human predictive learning. Participants were trained where cue (X) was followed by an outcome in context A while a different cue (Y) was followed by the absence of the outcome in context B. When 4 training trials with each cue were conducted, testing the stimuli in the alternative contexts decreased predictive judgments to X and increased predictive judgments to Y. These effects disappeared both when training was increased up to 18 trials (Experiments 1a and 1b), and when the outcome was presented in both contexts A and B (Experiments 2 and 4). When the outcome was presented in both contexts, the nonreinforced cue Y, trained in the presumably excitatory context B, became a conditioned inhibitor (Experiment 3). Additional experience with one of the contexts, but not with both, made the context-switch effect reappear (Experiment 4). These results suggest that irrelevant contexts may enter into direct associations with the outcome before prolonged training leads participants to discard them as predictors. (Contains 4 figures and 1 table.)
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A