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A review of cross-commodity delay discounting research with relevance to addiction
Behavioural Processes ( IF 1.3 ) Pub Date : 2021-02-02 , DOI: 10.1016/j.beproc.2021.104339
Ricarda K. Pritschmann , Ali M. Yurasek , Richard Yi

Delay discounting (DD) refers to the decrease in the subjective value of a reward as the delay to its receipt increases. As high rates of DD are consistently associated with measures of substance misuse, DD is an important construct in current conceptualizations of addiction. High rates of DD appear to model preference for the immediate rewards provided by substance use, resulting in the interpretation that individuals with substance use disorder are generally unable or unwilling to delay gratification to obtain larger but delayed rewards. This interpretation is largely based on literature implementing binary choice tasks using differing amounts of the same commodity (i.e., single-commodity), in which high rates of DD can result from relative preference for the immediate outcome or relative dispreference for the delayed outcome. We propose that tasks using different commodities (i.e., cross-commodity) for the immediate and delayed outcomes offer potential in disentangling these dissociable and consequentially distinct interpretations. Our review suggests that cross-commodity DD tasks provide unique insights into understanding addiction not captured by single-commodity designs. We conclude that more research implementing cross-commodity DD tasks is needed to better understand the role of intertemporal choice in addiction and recovery.



中文翻译:

与成瘾相关的跨商品延迟贴现研究综述

延迟贴现(DD)是指奖励的主观价值随着其收到的延迟的增加而降低。由于DD的高发生率一直与滥用药物的措施有关,因此DD是当前成瘾概念中的重要构成。DD的高发生率似乎是对药物滥用提供的立即奖励的偏好建模,导致人们解释为药物滥用障碍患者通常无法或不愿意延迟满足以获得更大但延迟的回报。这种解释主要是基于使用不同数量的同一商品(即单一商品)来执行二元选择任务的文献,其中较高的DD率可能是由于对即时结果的相对偏爱或对延迟结果的相对偏爱所致。我们建议,将不同商品(即交叉商品)用于即时和延迟结果的任务提供了解开这些可分离且因此不同的解释的潜力。我们的评论表明,跨商品DD任务可提供独特的见解,以了解单一商品设计无法捕获的成瘾问题。我们得出结论,需要开展更多的研究来实施跨商品DD任务,以更好地理解跨期选择在成瘾和康复中的作用。

更新日期:2021-03-07
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