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  • Title: Affective context-induced modulation of the error-related negativity.
    Author: Larson MJ, Perlstein WM, Stigge-Kaufman D, Kelly KG, Dotson VM.
    Journal: Neuroreport; 2006 Feb 27; 17(3):329-33. PubMed ID: 16462607.
    Abstract:
    The error-related negativity putatively reflects the activity of performance-monitoring processes influenced by motivational factors, and is overactive in certain anxiety states, suggesting that affective factors affect its generation. We examined the effects of emotionally arousing and neutral task-irrelevant backgrounds on the error-related negativity to determine whether an affective context 'mismatch' alters error-related neural processing. Event-related potentials were acquired while healthy participants performed a modified Eriksen flanker task wherein flanker stimuli were superimposed on neutral, pleasant, and unpleasant pictures. The error-related negativity varied as a function of picture valence, peaking both earlier and larger in the context of pleasant backgrounds than neutral or unpleasant backgrounds. Findings support the hypothesis that affective factors influence the error-related negativity, potentially reflecting an affective mismatch associated with performance monitoring.
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