The facilitating effect of frontal P3 amplitude regulation on emotion regulation

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Key Points

This research aims to explore the causal role of frontal P3 amplitude modulation on emotion regulation through neurofeedback.
67 participants were randomly assigned to either an experimental group (upregulating P3, n=34) or a control group (downregulating P3, n=33).
Participants completed emotion regulation tasks before and after neurofeedback training to assess changes in frontal P3 amplitude and emotion regulation effectiveness.
Neurofeedback training was used to actively modulate frontal P3 amplitude during cognitive reappraisal tasks.
The experimental group successfully upregulated frontal P3 amplitude after neurofeedback, leading to better outcomes in emotion regulation tasks (lower negative emotion self-reports and decreased LPP amplitude).
The control group experienced a decrease in frontal P3 amplitude after neurofeedback training, resulting in poorer emotion regulation.
P3-NF training primarily enhanced emotion regulation effects via increased frontal P3 amplitude during cognitive reappraisal.

Demonstrates improved emotion regulation through frontal P3 amplitude modulation, indicating potential clinical applications.

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Li et al. (2026) studied this question.

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