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Multiple partially overlapping neural modules orchestrate conflict processing
Melinda Sabo1,2, Manuel Varlet3,4, Edmund Wascher1
1Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany.
Imaging Neuroscience (Cambridge, Mass.)
|February 25, 2026
Summary
Neural mechanisms for cognitive conflict processing involve partially overlapping systems, not purely general or specific ones. This research used electroencephalogram (EEG) data to decode conflict across different tasks.
Area of Science:
- Cognitive Neuroscience
- Neuroimaging
Background:
- Cognitive conflict is common, but its neural basis is debated.
- Theories include domain-general, specific modules, or overlapping mechanisms.
Purpose of the Study:
- To investigate neural mechanisms of cognitive conflict processing.
- To differentiate between domain-general, task-specific, and overlapping models.
Main Methods:
- Analyzed electroencephalogram (EEG) data from 507 healthy adults.
- Utilized multivariate decoding to identify conflict-related neural activity.
- Employed three distinct conflict tasks: Change Detection, Simon, and Stroop.
Main Results:
- Robust decoding of conflict within each task was observed.
- Cross-task decoding revealed shared representations only between specific task pairs.
- Findings suggest partially overlapping neural mechanisms for conflict processing.
Conclusions:
- Conflict processing is not entirely domain-general or task-specific.
- Neural mechanisms exist on a continuum of overlap and differentiation.
- Supports a model of partially overlapping systems for cognitive conflict.
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