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When goals are missed: dealing with self-generated and externally induced failure
Markus Ullsperger1, Hiroshi Nittono, D Yves von Cramon
1Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany. markus.ullsperger@nf.mpg.de
The posterior medial frontal cortex (pMFC) monitors performance, signaling adjustments for errors. This brain region also tracks external failures, initiating compensatory actions regardless of the cause.
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Cognitive Psychology
Background:
- The posterior medial frontal cortex (pMFC) is recognized for its role in performance monitoring, particularly for self-generated errors.
- External factors, like equipment malfunctions, can also lead to missed action goals, necessitating compensatory actions.
Purpose of the Study:
- To investigate if the pMFC is engaged by failures due to external reasons.
- To compare pMFC activity between self-generated errors and externally caused failures.
- To explore how pMFC activity relates to the demands of compensatory actions.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was employed.
- A modified flanker task was used, incorporating simulated technical malfunctions.
- Participants performed tasks involving self-generated errors and externally induced failures.
Main Results:
- Both errors and malfunctions elicited increased fMRI signals in the pMFC.
- The timing of pMFC activity differed, peaking later for malfunctions than for errors.
- pMFC activity correlated with the time required for compensatory actions, suggesting increased demand.
Conclusions:
- The pMFC is crucial for initiating compensatory actions, irrespective of whether the failure is self-generated or externally caused.
- pMFC activity reflects the ambiguity and demand associated with selecting appropriate compensatory strategies.
- The findings broaden the understanding of the pMFC's role in performance monitoring and adaptive control.
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