The Integration of Task-set Components Into Cognitive Task Representations

Authors: Philipp, Andrea M.; Koch, Iring

Source: Psychologica Belgica, Volume 50, Numbers 3-4, 2010 , pp. 383-411(29)

Publisher: Academia Press

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Abstract:

The present study examined the cognitive representation of tasks ("task sets") using the task-switching paradigm. To do so, we manipulated the task-set components "judgment" (i. e., stimulus categories) and "response modality" orthogonally in two-componential switching experiments. In Experiment 1, we additionally manipulated the type of cues, whereas we manipulated the cue-stimulus interval (CSI) in Experiments 2 and 3. We found that the two task-set components were not represented independently but interacted. Furthermore, preparation was substantially better when both task-set components were cued simultaneously with a long CSI than when only one task-set component could be prepared. Therefore, we suppose that both task-set components were integrated into a single task representation and that task-set integration is necessary prior to response selection. Thus, even components that have been classified as motor-related so far (e. g., the response modality) need to be specified and integrated into a task representation before the selection of a response.

Document Type: Research article

Publication date: 2010-10-01

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Psychologica Belgica is the flagship journal of the Belgian Association for Psychological Science. It appears quarterly and publishes peer-reviewed scientific contributions to all domains of psychology as well as book reviews. Contributions take the form of full-length articles or short reports. Psychologica Belgica is listed in all major indexes, including Current Contents and Psychological Abstracts.
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