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ERIC Number: EJ860079
Record Type: Journal
Publication Date: 2009-Aug
Pages: 17
Abstractor: As Provided
Reference Count: 61
ISSN: ISSN-0096-1523
Generalized Signaling for Control: Evidence from Postconflict and Posterror Performance Adjustments
Cho, Raymond Y.; Orr, Joseph M.; Cohen, Jonathan D.; Carter, Cameron S.
Journal of Experimental Psychology: Human Perception and Performance, v35 n4 p1161-1177 Aug 2009
Goal-directed behavior requires cognitive control to effect online adjustments in response to ongoing processing demands. How signaling for these adjustments occurs has been a question of much interest. A basic question regarding the architecture of the cognitive control system is whether such signaling for control is specific to task context or generalizes across contexts. In this study, the authors explored this issue using a stimulus-response compatibility paradigm. They examined trial-to-trial adjustments, specifically, the findings that incompatible trials elicit improved performance on subsequent incompatible trials and that responses are slower after errors. The critical question was, Do such control effects--typically observed "within" a single task context--occur "across" task contexts? The paradigm involved 2 orthogonal, stimulus-response sets: Stimuli in the horizontal direction mapped only to responses in the horizontal direction, and likewise for the vertical direction. Cues indicated that either compatible (same direction as stimulus) or incompatible (opposite to stimulus) responses were required. The results showed that trial-to-trial adjustments exist for both direction-repeat and direction-switch trials, demonstrating that signaling for control adjustments can extend beyond the task context within which they arise. (Contains 3 footnotes, 14 tables and 6 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A