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  The shielding function of task sets and its relaxation during task switching

Dreisbach, G., & Wenke, D. (2011). The shielding function of task sets and its relaxation during task switching. Journal of Experimental Psychology: Learning, Memory, and Cognition, 37(6), 1540-1546. doi:10.1037/a0024077.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-2A48-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-C3A2-6
Genre: Journal Article

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 Creators:
Dreisbach, Gesine1, Author
Wenke, Dorit2, 3, Author              
Affiliations:
1Department of Experimental Psychology, University of Regensburg, Germany, ou_persistent22              
2Department Psychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634564              
3Department of Psychology, Humboldt University Berlin, Germany, ou_persistent22              

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Free keywords: Task switching; Task shielding; Repetition effect; Task set; Flexibility
 Abstract: The goal of the presented experiments was to investigate the dynamic interplay of task shielding and its relaxation during task switching. Task shielding refers to the finding that single task sets in terms of 2-choice categorization rules help shielding against distraction from irrelevant stimulus attributes. During task switching, this shielding should temporarily be relaxed to prevent the perseveration of the previous task, on the downside making the system more vulnerable toward the intrusion of irrelevant information. Participants had to switch between a digit and a letter categorization task. An irrelevant stimulus feature (Experiment 1: color, Experiment 2: font) varied randomly, orthogonal to the task. The presence or absence of an interaction of the irrelevant feature (switch vs. repetition) and the response (switch vs. repetition) was taken as evidence for the absence or presence of task shielding, respectively. Replicating previous results, irrelevant feature and response did not interact on task repetitions, indicating successful shielding. On task switches, however, the irrelevant feature interacted with the response, supporting the assumption that task shielding is temporarily relaxed during task switching.

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Language(s): eng - English
 Dates: 20112011-11
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1037/a0024077
 Degree: -

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Title: Journal of Experimental Psychology: Learning, Memory, and Cognition
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Psychological Association (PsycARTICLES)
Pages: - Volume / Issue: 37 (6) Sequence Number: - Start / End Page: 1540 - 1546 Identifier: ISSN: 0278-7393
CoNE: https://pure.mpg.de/cone/journals/resource/954927606766