Temporal Discounting in Heroin-Dependent Patients: No Sign Effect, Weaker Magnitude Effect, and the Relationship With Inhibitory Control

	Temporal Discounting in Heroin-Dependent Patients: No Sign Effect, Weaker Magnitude Effect, and the Relationship With Inhibitory Control
	Cheng, Jiuqing 1,2; Lu, Yanhong 3; Han, Xiaodong 3; Gonzalez-Vallejo, Claudia 2; Sui, Nan 1
刊名	EXPERIMENTAL AND CLINICAL PSYCHOPHARMACOLOGY
	2012-10-01
卷号	20 期号:5 页码:400-409
关键词	heroin-dependent patients temporal discounting inhibitory control impulsivity
ISSN号	1064-1297
通讯作者	Sui, N (reprint author), Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China.
产权排序	4
英文摘要	Impulsive behavior in heroin-dependent individuals and matched smokers was studied within the framework of temporal discounting. Two well-known effects were examined: the sign and magnitude effects (Kirby, 1997). The study also investigated the relationship between cognitive impulsivity and inhibitory control as measured by a Go/No-go task. Fifty-six heroin-dependent patients in the postmethadone treatment stage and an equal number of matched daily smokers participated in the study. The heroin-dependent patients showed higher discount rates in both gain and loss conditions. They also showed no sign effect by demonstrating similar discount rates in gains and losses. Heroin-dependent patients also exhibited a magnitude effect, which was weaker than that observed in smokers. Differential relationships between impulsivity and inhibitory control were found in the two groups. For smokers, decision-making and inhibitory control behaviors pertained to different psychological processes, whereas for heroin-dependent patients, the two behaviors were partially related. Finally, a significant correlation between length of heroin use and temporal discounting with small magnitude was found. The present study advances our understanding of the specific behavioral impulsive patterns in heroin-dependent individuals.
学科主题	Health psychology
收录类别	SSCI
项目简介	We appreciate the helpful work of the staffs in the department where this project was conducted. This work was supported by National Basic Research Program Grants (Grant number: 2009CB522002): and National Natural Science Foundation Grants (Grant Number: 30770719). The funding source had no other role other than financial support.
语种	英语
WOS记录号	WOS:000309435000007
内容类型	期刊论文
源URL	[http://ir.psych.ac.cn/handle/311026/13279]
专题	心理研究所_健康与遗传心理学研究室
作者单位	1.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China 2.Ohio Univ, Dept Psychol, Athens, OH 45701 USA 3.Taicang 3 Hosp, Dept Rehabil, Taicang, Peoples R China
推荐引用方式 GB/T 7714	Cheng, Jiuqing,Lu, Yanhong,Han, Xiaodong,et al. Temporal Discounting in Heroin-Dependent Patients: No Sign Effect, Weaker Magnitude Effect, and the Relationship With Inhibitory Control[J]. EXPERIMENTAL AND CLINICAL PSYCHOPHARMACOLOGY,2012,20(5):400-409.
APA	Cheng, Jiuqing,Lu, Yanhong,Han, Xiaodong,Gonzalez-Vallejo, Claudia,&Sui, Nan.(2012).Temporal Discounting in Heroin-Dependent Patients: No Sign Effect, Weaker Magnitude Effect, and the Relationship With Inhibitory Control.EXPERIMENTAL AND CLINICAL PSYCHOPHARMACOLOGY,20(5),400-409.
MLA	Cheng, Jiuqing,et al."Temporal Discounting in Heroin-Dependent Patients: No Sign Effect, Weaker Magnitude Effect, and the Relationship With Inhibitory Control".EXPERIMENTAL AND CLINICAL PSYCHOPHARMACOLOGY 20.5(2012):400-409.