Document Detail

Updating Expected Action Outcome in the Medial Frontal Cortex Involves an Evaluation of Error Type.
MedLine Citation:
PMID:  24089478     Owner:  NLM     Status:  Publisher    
Forming expectations about the outcome of an action is an important prerequisite for action control and reinforcement learning in the human brain. The medial frontal cortex (MFC) has been shown to play an important role in the representation of outcome expectations, particularly when an update of expected outcome becomes necessary because an error is detected. However, error detection alone is not always sufficient to compute expected outcome because errors can occur in various ways and different types of errors may be associated with different outcomes. In the present study, we therefore investigate whether updating expected outcome in the human MFC is based on an evaluation of error type. Our approach was to consider an electrophysiological correlate of MFC activity on errors, the error-related negativity (Ne/ERN), in a task in which two types of errors could occur. Because the two error types were associated with different amounts of monetary loss, updating expected outcomes on error trials required an evaluation of error type. Our data revealed a pattern of Ne/ERN amplitudes that closely mirrored the amount of monetary loss associated with each error type, suggesting that outcome expectations are updated based on an evaluation of error type. We propose that this is achieved by a proactive evaluation process that anticipates error types by continuously monitoring error sources or by dynamically representing possible response-outcome relations.
Martin E Maier; Marco Steinhauser
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Publication Detail:
Journal Detail:
Title:  The Journal of neuroscience : the official journal of the Society for Neuroscience     Volume:  33     ISSN:  1529-2401     ISO Abbreviation:  J. Neurosci.     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-10-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8102140     Medline TA:  J Neurosci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  15705-15709     Citation Subset:  -    
Catholic University of Eichstätt-Ingolstadt, 85072 Eichstätt, Germany, and Centro Studi e Ricerche in Neuroscienze Cognitive, 47023 Cesena, Italy.
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