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Temporal Discounting in Heroin-Dependent Patients: No Sign Effect, Weaker Magnitude Effect, and the Relationship With Inhibitory Control
Cheng, Jiuqing1,2; Lu, Yanhong3; Han, Xiaodong3; Gonzalez-Vallejo, Claudia2; Sui, Nan1; Sui, N (reprint author), Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China.
2012-10-01
发表期刊EXPERIMENTAL AND CLINICAL PSYCHOPHARMACOLOGY
ISSN1064-1297
文章类型Article
卷号20期号:5页码:400-409
产权排序4
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.
关键词heroin-dependent patients temporal discounting inhibitory control impulsivity
学科领域Health Psychology
收录类别SSCI
语种英语
项目资助者National Basic Research Program [2009CB522002] ; National Natural Science Foundation [30770719]
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.
WOS记录号WOS:000309435000007
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被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/13279
专题健康与遗传心理学研究室
通讯作者Sui, N (reprint author), Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China.
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
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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,&Sui, N .(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.
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