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Challenging the role of implicit processes in probabilistic category learning

Newell, BR and Lagnado, DA and Shanks, DR (2007) Challenging the role of implicit processes in probabilistic category learning. PSYCHON B REV , 14 (3) 505 - 511.

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Abstract

Considerable interest in the hypothesis that different cognitive tasks recruit qualitatively distinct processing systems has led to the proposal of separate explicit (declarative) and implicit (procedural) systems. A popular probabilistic category learning task known as the weather prediction task is said to be ideally suited to examine this distinction because its two versions, '' observation '' and '' feedback,'' are claimed to recruit the declarative and procedural systems, respectively. In two experiments, we found results that were inconsistent with this interpretation. In Experiment 1, a concurrent memory task had a detrimental effect on the implicit (feedback) version of the task. In Experiment 2, participants displayed comparable and accurate insight into the task and their judgment processes in the feedback and observation versions. These findings have important implications for the study of probabilistic category learning in both normal and patient populations.

Type:Article
Title:Challenging the role of implicit processes in probabilistic category learning
Open access status:An open access version is available from UCL Discovery
Keywords:MEMORY-SYSTEMS, TASK INTERFERENCE, AMNESIA, BRAIN
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Psychology and Language Sciences (Division of) > Cognitive, Perceptual and Brain Sciences

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