Transcranial direct current stimulation changes human endowment effect

被引：9
作者：
Votinov, Mikhail [1 ,2 ]
Aso, Toshihiko [1 ]
Koganemaru, Satoko [1 ]
Fukuyama, Hidenao [1 ]
Mima, Tatsuya [1 ]
机构：
[1] Kyoto Univ, Grad Sch Med, Human Brain Res Ctr, Kyoto 6068507, Japan
[2] Univ Vienna, Dept Basic Psychol Res & Res Methods, Social Cognit & Affect Neurosci Unit, A-1010 Vienna, Austria
来源：
NEUROSCIENCE RESEARCH | 2013年 / 76卷 / 04期
基金：
日本学术振兴会;
关键词：
Brain stimulation; Endowment effect; Right inferior frontal gyrus; Transcranial direct-current stimulation; DORSOLATERAL PREFRONTAL CORTEX; MOTOR CORTEX; CORTICAL STIMULATION; ORBITOFRONTAL CORTEX; BRAIN-STIMULATION; DECISION-MAKING; DOUBLE-BLIND; RISK-TAKING; MODULATION; WILLINGNESS;
D O I：
10.1016/j.neures.2013.05.007
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
To test whether the right inferior frontal gyrus (IFG) plays role win the endowment effect, we investigated the effects of transcranial direct current stimulation (tDCS) of the right IFG on the willingness to accept/willingness to pay (WTA/WTP) discrepancy. Twelve healthy subjects underwent anodal, cathodal and sham tDCS on separate days. Stimulation was applied over the right IFG for 20 min at 2 mA. Subjects participated in the pricing task where they evaluated the presented items under WTA and WTP framings during tDCS intervention. The results showed that the WTA/WTP ratio after anodal tDCS was significantly higher than that after cathodal one. In addition, we found that the reaction time during the cathodal tDCS condition was significantly longer compared to those during anodal or sham tDCS conditions. Our findings suggest the functional relevance of the right IFG for producing endowment effect. (C) 2013 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.
引用
收藏
页码：251 / 256
页数：6
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