酒精依赖个体比对照组更倾向于低估性行为的发生概率。
Alcohol-dependent individuals discount sex at higher rates than controls.
机构信息
Department of Applied Behavioral Science, University of Kansas, 1000 Sunnyside Ave., Lawrence, KS 66045, United States.
出版信息
Drug Alcohol Depend. 2013 Aug 1;131(3):320-3. doi: 10.1016/j.drugalcdep.2012.12.014. Epub 2013 Jan 9.
Abstract
BACKGROUND
Research on delay discounting has expanded our understanding of substance dependence in many ways. Recently, orderly discounting of sexual rewards has been demonstrated in both substance-dependent individuals, and healthy controls. Less clear, however, is if rates of sexual discounting are higher than controls in alcohol-dependent-individuals.
METHODS
20 alcohol-dependent individuals and 21 healthy control participants completed two delay-discounting tasks. One task involved monetary rewards, whereas the other involved the discounting of sexual rewards (i.e., number of sex acts).
RESULTS
Alcohol dependent individuals discounted sexual rewards at significantly higher rates than did controls. There was a trend toward, but not a similarly significant relation for the discounting of monetary rewards.
CONCLUSIONS
Rates of sexual discounting are elevated in alcohol dependent individuals. If this relation is replicated in other at risk populations, the rapid devaluation of sexual rewards may be a laboratory marker of impulsive sexual choices.
摘要
背景
关于延迟折扣的研究从多个方面拓展了我们对物质依赖的理解。最近，物质依赖个体和健康对照者都表现出了有序的性奖励折扣。然而，在酒精依赖个体中，性折扣的速度是否高于对照组还不太清楚。
方法
20 名酒精依赖个体和 21 名健康对照参与者完成了两个延迟折扣任务。一个任务涉及货币奖励，另一个任务涉及性奖励（即性行为次数）的折扣。
结果
酒精依赖个体的性奖励折扣率明显高于对照组。对于货币奖励的折扣，虽然有趋势但没有达到同样显著的关系。
结论
酒精依赖个体的性折扣率较高。如果这种关系在其他高危人群中得到复制，那么性奖励的快速贬值可能是冲动性性选择的实验室标志物。
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