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163. Neurophysiological Measures of Social Feedback Processing Predict Real-World Experience of Emotions in Social Settings
Event-related potentials (ERPs) have been shown to be reliable measures of social and emotional processing. However, little is known regarding relations between lab-based ERP measures and emotions experienced in daily life. The present study aimed to examine how individual differences in processing and response to social feedback are related to emotions experienced in the real-world. Twenty-nine young adults (Mage=19.36, SD=1.22) completed a social interaction task where participants voted to accept/reject simulated peers and received acceptance/rejection feedback to measure ERPs to social feedback. Participants also completed one week of ecological momentary assessment, answering surveys sent to their phone 8 times per day to assess in-the-moment activities and emotions. Principal component analysis identified ERPs modulated by social feedback (i.e., N1, P2, late positive potential [LPP]). Enhanced early attentional allocation to rejection (N1) and acceptance (P2) cues were associated with decreased positive affect experienced while with friends/peers (ps=.018 and .024, respectively). Enhanced attention towards rejection feedback at later stages of processing (LPP) was also associated with decreased positive affect while with friends/peers (p=.014). Results suggest individual differences in neural processing of social feedback impact experience of emotional processing in real-world social interactions, and highlight potential neural mechanisms to examine in developmental psychopathology research.