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    Conflict-specific effects of accessory stimuli on cognitive control in the Stroop task and the Simon task

    Soutschek, A. and Muller, Hermann J. and Schubert, T. (2013) Conflict-specific effects of accessory stimuli on cognitive control in the Stroop task and the Simon task. Experimental Psychology 60 (2), pp. 140-147. ISSN 1618-3169.

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    Abstract

    Both the Stroop and the Simon paradigms are often used in research on cognitive control, however, there is evidence that dissociable control processes are involved in these tasks: While conflicts in the Stroop task may be resolved mainly by enhanced task-relevant stimulus processing, conflicts in the Simon task may be resolved rather by suppressing the influence of task-irrelevant information on response selection. In the present study, we show that these control mechanisms interact in different ways with the presentation of accessory stimuli. Accessory stimuli do not affect cognitive control in the Simon task, but they impair the efficiency of cross-trial control processes in the Stroop task. Our findings underline the importance of differentiating between different types of conflicts and mechanisms of cognitive control.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): cognitive control, conflict processing, Stroop task, Simon task, accessory stimuli
    School: School of Science > Psychological Sciences
    Depositing User: Sarah Hall
    Date Deposited: 27 Oct 2015 11:48
    Last Modified: 27 Oct 2015 11:48
    URI: https://eprints.bbk.ac.uk/id/eprint/13192

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