The Effects of Chronic Alcohol Use on Facial Emotion Processing: An Event-Related Brain Potential Study
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Facial emotion processing is central to social interaction, enabling individuals to interpret and respond to others’ emotional cues. Alcohol Use Disorder (AUD) impairs these functions, leading to social difficulties. Using electroencephalography (EEG) and event-related potentials (ERPs), this study examined the neural correlates of facial emotion recognition in individuals with varying AUD severity. Participants (n = 40) completed a visual oddball task featuring self-referential and anonymous face stimuli with neutral and smiling expressions. Results revealed significant differences in P300 responses based on AUD severity, highlighting the impact of chronic alcohol use on cognitive and emotional processing. These findings contribute to the understanding of social impairments in AUD and offer implications for targeted interventions.
