Division of Clinical Psychology, University of Liverpool, Liverpool, United Kingdom.
Alcohol Clin Exp Res. 2012 Feb;36(2):361-8. doi: 10.1111/j.1530-0277.2011.01620.x. Epub 2011 Sep 6.
BACKGROUND: Motivational conflict is central to alcohol dependence, with patients reporting motivation to limit their drinking at the same time as urges to drink alcohol. In addition, dual process models of addiction emphasise the power of automatic cognitive processes, particularly automatic approach responses elicited by alcohol-related cues, as determinants of drinking behavior. We aimed to examine the strength of automatic and self-reported alcohol approach and avoidance tendencies among alcohol-dependent inpatients relative to matched controls. METHODS: A total of 63 alcohol-dependent patients undergoing detoxification and 64 light-drinking controls completed a stimulus-response compatibility (SRC) task, which assesses the speed of categorization of alcohol-related pictures by making symbolic approach and avoidance movements. We also included modified versions of the SRC task to assess automatic motivational conflict, that is, strong approach and avoidance tendencies elicited simultaneously by alcohol-related cues. RESULTS: There were no differences between alcohol-dependent patients and controls on the SRC task, although individual differences in the quantity of alcohol consumed before entering treatment were significantly positively correlated with the strength of approach (but not avoidance) tendencies elicited by alcohol-related cues. Automatic approach tendencies were also positively correlated with self-reported "approach" inclinations and negatively correlated with self-reported "avoidance" inclinations. CONCLUSIONS: Although alcohol-dependent patients and matched controls did not differ on automatic approach and avoidance tendencies elicited by alcohol-related cues, individual differences in the quantity of alcohol consumed before entering treatment were associated with the strength of automatic approach tendencies elicited by alcohol cues.
背景:动机冲突是酒精依赖的核心,患者同时报告限制饮酒和饮酒的欲望。此外,成瘾的双重过程模型强调自动认知过程的力量,特别是与酒精相关的线索引起的自动接近反应,作为饮酒行为的决定因素。我们旨在检查酒精依赖住院患者相对于匹配对照组的自动和自我报告的酒精接近和回避倾向的强度。
方法:共有 63 名接受解毒治疗的酒精依赖患者和 64 名轻度饮酒对照者完成了刺激反应相容性(SRC)任务,该任务通过进行象征性的接近和回避运动来评估对与酒精相关的图片进行分类的速度。我们还包括 SRC 任务的修改版本,以评估自动动机冲突,即同时由与酒精相关的线索引起的强烈的接近和回避倾向。
结果:酒精依赖患者和对照组在 SRC 任务上没有差异,尽管进入治疗前饮酒量的个体差异与酒精相关线索引起的接近(但不是回避)倾向的强度呈显著正相关。自动接近倾向也与自我报告的“接近”倾向呈正相关,与自我报告的“回避”倾向呈负相关。
结论:尽管酒精依赖患者和匹配对照组在与酒精相关的线索引起的自动接近和回避倾向上没有差异,但进入治疗前饮酒量的个体差异与酒精线索引起的自动接近倾向的强度有关。
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