The elusive link between conflict and conflict adaptation |
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Authors: | Ulrich Mayr Edward Awh |
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Institution: | (1) Department of Psychology, University of Oregon, Eugene, OR 97403-1227, USA |
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Abstract: | A core tenet of the original conflict-monitoring model is that regulation is triggered automatically when conflict is present
and that the same regulation mechanism explains both trial-to-trial adaptation effects as well as effects of block-wise conflict
manipulations. We present here results from two experiments using the Stroop task that show (a) that adaptation effects in
the absence of response repetitions may occur only at the beginning of testing and that (b) robust block-wise effects can
be found even in the absence of trial-by-trial effects. Furthermore, we show that the failure to eliminate target-to-distractor
repetitions can produce artificial trial-to-trial adaptation effects. Based on the evidence of a weak link between conflict
and conflict adaptation, we argue that a wider range of possible reasons for conflict adaptation effects needs to be taken
into consideration. |
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