Cognitive Control: Dynamic, Sustained, and Voluntary Influences

Abstract

The cost of incongruent stimuli is reduced when conflict is expected. This series of experiments tested whether this improved performance is due to repetition priming or to enhanced cognitive control. Using a paradigm in which Word and Number Stroop alternated every trial, Experiment 1 assessed dynamic trial-to-trial changes. Incongruent trials led to task-specific reduction of conflict (trial n ϩ 2) without cross-task modulation (trial n ϩ 1), but this was fully explained by repetition priming. In contrast, an increased ratio of incongruent words did lead to sustained task-specific enhancement, above and beyond..

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References found in this work

Studies of Interference in Serial Verbal Reactions.J. R. Stroop - 1935 - Journal of Experimental Psychology 18 (6):643.
Toward an Instance Theory of Automatization.Gordon D. Logan - 1988 - Psychological Review 95 (4):492-527.
Toward an Instance Theory of Automatization.G. D. Logan - 1987 - Bulletin of the Psychonomic Society 25 (5):342-342.

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