Extinction of drug cue reactivity in methamphetamine-dependent individuals.

Extinction of drug cue reactivity in methamphetamine-dependent individuals.
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甲基苯丙胺依赖个体的药物提示反应性消失。

DOI:
10.1016/j.brat.2010.05.010
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发表时间:
2010
影响因子:
4.1
通讯作者:
Brady,KathleenT
Brady,KathleenT
中科院分区:
心理学2区
文献类型:
--
作者:
Price,KimberL;Saladin,MichaelE;Baker,NathanielL;Tolliver,BryanK;DeSantis,StaciaM;McRae-Clark,AimeeL;Brady,KathleenT

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对与药物相关的环境因素(如渴望)的条件反应在吸毒复发中发挥着关键作用。动物模型表明,在不给予药物的情况下重复暴露于与药物相关的线索会导致条件反应的消失,但现有的少数临床试验集中于药物依赖个体对药物相关线索的条件反应的消失,结果却模棱两可。目前的研究在实验室环境中检查了甲基苯丙胺依赖个体与药物相关的线索反应性和反应消退。甲基苯丙胺提示引起的渴望在两次重复(3)疗程内暴露于多模式(图片、视频和体内)线索的过程中消失,没有证据表明疗程之间有自发恢复。注意到有一个趋势,即会话间隔较长(4-7 天)的参与者的反应衰减更大。这些结果表明,药物线索条件反应的消退发生在甲基苯丙胺依赖的个体中,这为开发基于消退的治疗策略提供了希望。
Conditioned responses to drug-related environmental cues (such as craving) play a critical role in relapse to drug use. Animal models demonstrate that repeated exposure to drug-associated cues in the absence of drug administration leads to the extinction of conditioned responses, but the few existing clinical trials focused on extinction of conditioned responses to drug-related cues in drug-dependent individuals show equivocal results. The current study examined drug-related cue reactivity and response extinction in a laboratory setting in methamphetamine-dependent individuals. Methamphetamine cue-elicited craving was extinguished during two sessions of repeated (3) within-session exposures to multi-modal (picture, video, and in-vivo) cues, with no evidence of spontaneous recovery between sessions. A trend was noted for a greater attenuation of response in participants with longer (4–7 day) inter-session intervals. These results indicate that extinction of drug cue conditioned responding occurs in methamphetamine-dependent individuals, offering promise for the development of extinction- based treatment strategies.
条件性恐惧的消失是强化百分比的函数。
DOI: --
发表时间: 1967
期刊: Journal of Comparative and Physiological Psychology
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期刊: LIFE SCIENCES
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