Performance monitoring and the causal attribution of errors |
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Authors: | Marco Steinhauser Andrea Kiesel |
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Institution: | Fachbereich Psychologie, University of Konstanz, Germany. Marco.Steinhauser@uni-konstanz.de |
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Abstract: | The present study investigated the role of causal attribution for performance monitoring in the medial frontal cortex. To
this end, we compared internally and externally-caused errors in a selective attention task with respect to error-related
EEG activity and error-induced adjustments of speed and attentional selectivity. Both error types evoked early negativities
and later positivities in the response-locked event-related potential. However, whereas internally-caused errors caused posterror
slowing, externally-caused errors were followed by reduced attentional selectivity. Moreover, the amount of reduced attentional
selectivity was related to the amplitude of the early negativity on externally-caused errors. This suggests that posterror
adjustments are initiated on the basis of perceived causality and, thus, causal attribution of errors. |
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