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KMID : 1009020190170010080
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Clinical Psychopharmacology and Neuroscience
2019 Volume.17 No. 1 p.80 ~ p.92
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An Event-related Potential Study of Error-monitoring Deficits in Female College Students Who Participate in Binge Drinking
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Kim Eun-Hui
Kim Myung-Sun
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Abstract
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Objective: This study investigated error-monitoring deficits in female college students with binge drinking (BD) using event-related potentials (ERPs) and the modified Flanker task.
Methods: Participants were categorized into BD (n=25) and non-BD (n=25) groups based on the scores of the Korean-version of the Alcohol Use Disorder Identification Test (AUDIT-K) and the Alcohol Use Questionnaire (AUQ). The modified Flanker task, consisting of congruent (target and flanker stimuli are the same) and incongruent (target and flanker stimuli are different) conditions, was used to evaluate error-monitoring abilities.
Results: The BD group exhibited significantly shorter response times and more error rates on the Flanker task, as well as reduced error-related negativity (ERN) amplitudes compared with the non-BD group. Additionally, ERN amplitudes measured at FCz and Cz were significantly correlated with scores on the AUDIT-K and AUQ in the whole participants. The BD and non-BD groups did not show any significant differences in error positivity amplitudes.
Conclusion: The present results indicate that college students with BD have deficits in error-monitoring, and that reduced ERN amplitudes may serve as a biological marker or risk factor of alcohol use disorder.
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KEYWORD
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Alcohol drinking, Error positivity, Error negativity, Event-related potentials, Inhibition, Young adult
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