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Anodal Stimulation of the Left DLPFC Increases IGT Scores and Decreases Delay Discounting Rate in Healthy Males
He, Qinghua1,2,3,4; Chen, Mei1,2; Chen, Chuansheng5; Xue, Gui6; Feng, Tingyong1,2; Bechara, Antoine7,8
2016-09-20
发表期刊FRONTIERS IN PSYCHOLOGY
通讯作者邮箱heqinghua@swu.edu.cn
ISSN1664-1078
文章类型Article
卷号7期号:0页码:1-4
摘要Previous correlational imaging studies have implicated the dorsolateral prefrontal cortex (DLPFC) in decision making. Using High-Definition Transcranial Direct Current Stimulation (HD-tDCS), the present study directly investigated the causal role of the DLPFC in performing the Iowa Gambling Task (IGT) and the Inter-Temporal Choice (ITC) task. Three experiments were conducted: Experiment 1 (N = 41) to study the left DLPFC, Experiment 2 (N = 49) to study the right DLPFC, and Experiment 3 (N = 20, a subset of those in Experiment 1) to switch the experimental and control conditions. All participants were healthy male college students. For Experiments 1 and 2, participants were randomly assigned to either the HD-tDCS or the sham stimulation condition. For Experiment 3, participants were assigned to the condition they were not in during Experiment 1. Results showed that HD-tDCS over the left DLPFC increased IGT score, decreased the recency parameter in IGT, and lowered delay discounting rate (k) in the ITC task. We discussed the potential roles of impulse control and time perception in mediating the effect of tDCS stimulation of left DLPFC on decision making. Our results have clinical implications for the treatment of disorders involving poor decision-making, such as addictions.
关键词Decision Making Hd-tdcs Dlpfc Igt Inter-temporal Choice Task
DOI10.3389/fpsyg.2016.01421
收录类别SSCI
语种英语
项目资助者National Natural Science Foundation of China(31400959) ; Open Research Fund of the National Key Laboratory of Cognitive Neuroscience and Learning(CNLZD1306) ; Fundamental Research Funds for the Central Universities(SWU1509422 ; Open Research Fund of the Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences(KLMH2015G01) ; Research Program Funds of the Collaborative innovation Center of Assessment toward Basic Education Quality at Beijing Normal University(2016-06-014-BZK01) ; 15XDSKD004)
WOS研究方向Psychology
WOS类目Psychology, Multidisciplinary
WOS记录号WOS:000383441600002
WOS标题词Social Sciences
关键词[WOS]DORSOLATERAL PREFRONTAL CORTEX ; IOWA GAMBLING TASK ; PERCEPTUAL DECISION-MAKING ; INFERIOR FRONTAL-CORTEX ; INTERTEMPORAL CHOICE ; IMPULSE CONTROL ; SEX-DIFFERENCES ; SELF-CONTROL ; INDIVIDUAL-DIFFERENCES ; BRAIN ACTIVATION
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/20468
专题中国科学院心理健康重点实验室
通讯作者He, Qinghua
作者单位1.Southwest Univ, Fac Psychol, Decis Neurosci Lab, Chongqing, Peoples R China
2.Southwest Univ, Minist Educ, Key Lab Cognit & Personal, Chongqing, Peoples R China
3.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing, Peoples R China
4.Beijing Normal Univ, Collaborat Innovat Ctr Assessment Basic Educ Qual, Southwest Univ Branch, Chongqing, Peoples R China
5.Univ Calif Irvine, Dept Psychol & Social Behav, Irvine, CA 92697 USA
6.Beijing Normal Univ, IDG McGovern Inst Brain Res, Natl Key Lab Cognit Neurosci & Learning, Beijing, Peoples R China
7.Univ So Calif, Brain & Creat Inst, Los Angeles, CA 90089 USA
8.Univ So Calif, Dept Psychol, Los Angeles, CA 90089 USA
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He, Qinghua,Chen, Mei,Chen, Chuansheng,et al. Anodal Stimulation of the Left DLPFC Increases IGT Scores and Decreases Delay Discounting Rate in Healthy Males[J]. FRONTIERS IN PSYCHOLOGY,2016,7(0):1-4.
APA He, Qinghua,Chen, Mei,Chen, Chuansheng,Xue, Gui,Feng, Tingyong,&Bechara, Antoine.(2016).Anodal Stimulation of the Left DLPFC Increases IGT Scores and Decreases Delay Discounting Rate in Healthy Males.FRONTIERS IN PSYCHOLOGY,7(0),1-4.
MLA He, Qinghua,et al."Anodal Stimulation of the Left DLPFC Increases IGT Scores and Decreases Delay Discounting Rate in Healthy Males".FRONTIERS IN PSYCHOLOGY 7.0(2016):1-4.
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