Key result
Implicit induction of self-control reduced late positive potential amplitude to negative pictures and enhanced theta-band connectivity within cognitive control brain networks.
Why the study?
It was unknown whether neural mechanisms involved in cognitive control for explicit self-control and explicit emotion regulation strategies also operate in an implicit self-control task acting as a covert emotion regulation strategy.
Implicit self-control enhances cognitive control network connectivity in the theta band, suggesting common neural mechanisms for cognitive and implicit emotional control.
Answers are grounded in this paper and cite their sources.
Implicit self-control induction may aid emotion regulation; leaves open clinical translation and behavioral benefits.
Self-control is a core aspect of adaptive human behavior. It allows the attainment of personal goals by regulating unwanted thoughts, emotions, and behavior. Previous research highlighted the crucial role of cognitive control for explicitly pursued self-control and explicit emotion regulation strategies (such as cognitive reappraisal or attentional distraction). The present study investigated whether similar neural mechanisms would be involved in an implicit self-control task that acted as a covert emotion regulation strategy. Thirty-six female participants unscrambled sentences of either neutral (no-regulation condition) or neutral and self-control-related content (regulation condition) before passively viewing negative and neutral pictures. Compared with the no-regulation condition, implicit induction of self-control reduced the amplitude of the late positive potential to negative pictures, indicating successful emotion downregulation. Crucially, implicit self-control enhanced connectivity within the two cognitive control brain networks in the theta frequency band. Specifically, for the frontoparietal network, increased connectivity from the dorsolateral PFC to the intraparietal cortex was observed. For the cingulo-opercular network, increased connectivity from dorsal anterior cingulate cortex to the left anterior insula/frontal operculum and from the right anterior insula/frontal operculum to the dorsal anterior cingulate cortex was observed. These effects were accompanied by a decrease in prestimulus alpha power in the right primary visual cortex, suggesting adjustment of attentional and perceptual processes in preparation for the upcoming affective stimulation. Together, our results indicate that self-control enhances cognitive control that is necessary for setting, maintaining, and monitoring the achievement of self-control behavior, as well as regulation of attentional and emotional processes.
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Adamczyk et al. (2023) studied this question. Implicit induction of self-control vs. No-regulation condition (neutral sentences) was evaluated on Amplitude of the late positive potential to negative pictures and theta-band connectivity. Implicit induction of self-control reduced late positive potential amplitude to negative pictures and enhanced theta-band connectivity within cognitive control brain networks.
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