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      A dual‐process exploration of binge drinking: E vidence through behavioral and electrophysiological findings

      1 , 1 , 1 , 2 , 1 , 3 , 4 , 1
      Addiction Biology
      Wiley

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          Abstract

          <p class="first" id="d6320395e119">The dual-process model, describing addictive disorders as resulting from an imbalance between increased automatic approach behaviors towards the substance and reduced abilities to control these behaviors, constitutes a sound theoretical framework to understand alcohol-use disorders. The present study aimed at exploring this imbalance at behavioral and cerebral levels in binge drinking, a pattern of excessive alcohol consumption frequently observed in youth, by assessing both reflective control abilities and automatic processing of alcohol-related stimuli. For this purpose, 25 binge drinkers and 25 comparison participants performed a Go/No-Go task during electrophysiological recording. Inhibition abilities were investigated during explicit (ie, distinguishing alcoholic versus nonalcoholic drinks) and implicit (ie, distinguishing sparkling versus nonsparkling drinks, independently of their alcohol content) processing of beverage cues. Binge drinkers presented poorer inhibition for the explicit processing of beverage cues, as well as reduced N200 amplitude for the specific processing of alcohol-related stimuli. As a whole, these findings indicated inhibition impairments in binge drinkers, particularly for alcohol cues processing and at the attentional stage of the cognitive stream. In line with the dual-process model, these results support that binge drinking is already characterized by an underactivation of the reflective system combined with an overactivation of the automatic system. Results also underlined the influence of explicit processing compared with implicit ones. At the clinical level, our findings reinforce the need to develop intervention methods focusing on the inhibition of approach behaviors towards alcohol-related stimuli. </p>

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          Journal
          Addiction Biology
          Addiction Biology
          Wiley
          1355-6215
          1369-1600
          May 06 2019
          March 2020
          October 29 2018
          March 2020
          : 25
          : 2
          Affiliations
          [1 ]Laboratory for Experimental Psychopathology (LEP), Psychological Science Research InstituteUniversité catholique de Louvain Louvain‐la‐Neuve Belgium
          [2 ]Addictive and Compulsive Behaviours Lab (ACB‐Lab), Institute for Health and BehaviourUniversity of Luxembourg Esch‐sur‐Alzette Luxembourg
          [3 ]CNRS, UMR 9193‐SCALab‐Sciences Cognitives et Sciences AutomaticsUniversity of Lille Lille France
          [4 ]CHU Lille, Clinique de Psychiatrie, CURE Lille France
          Article
          10.1111/adb.12685
          30370964
          8b487e19-a226-45f0-8752-91747c896313
          © 2020

          http://onlinelibrary.wiley.com/termsAndConditions#vor

          http://doi.wiley.com/10.1002/tdm_license_1.1

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