The transferable placebo effect from pain to emotion: Changes in behavior and EEG activity
Zhang, Wencai1,2; Luo, Jing1,3; J. Luo
2009-05-01
发表期刊PSYCHOPHYSIOLOGY
ISSN0048-5772
文章类型Article
卷号46期号:3页码:626-634
摘要Past studies indicate that the placebo expectation established by analgesic treatment significantly relieves pain perception, while ataractic treatment significantly alleviates unpleasant arousal evoked by negative picture processing. But it is unclear whether the placebo effect can be transferred from one domain to the other, namely from pain to emotion. In this study we led participants to believe in the analgesic effect of magnetic treatment equipment (the placebo) by secretly reducing the intensity of pain stimulus. Then, we examined if this placebo could significantly alter participants' negative affect evoked by watching unpleasant pictures. Our results indicated a significant transferable placebo effect that alleviated negative feelings. EEG recordings showed the transferable placebo treatment induced decreased P2 amplitude and increased N2 amplitude, with source location near the posterior cingulate.; Past studies indicate that the placebo expectation established by analgesic treatment significantly relieves pain perception, while ataractic treatment significantly alleviates unpleasant arousal evoked by negative picture processing. But it is unclear whether the placebo effect can be transferred from one domain to the other, namely from pain to emotion. In this study we led participants to believe in the analgesic effect of magnetic treatment equipment (the placebo) by secretly reducing the intensity of pain stimulus. Then, we examined if this placebo could significantly alter participants' negative affect evoked by watching unpleasant pictures. Our results indicated a significant transferable placebo effect that alleviated negative feelings. EEG recordings showed the transferable placebo treatment induced decreased P2 amplitude and increased N2 amplitude, with source location near the posterior cingulate.
关键词Transferable placebo effect Pain Negative emotion Expectation Event-related potentials
学科领域认知神经科学
收录类别SCI ; SSCI
语种英语
WOS记录号WOS:000265008200020
引用统计
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/311026/5811
专题中国科学院心理研究所回溯数据库(1956-2010)
通讯作者J. Luo
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100101, Peoples R China
3.Capital Normal Univ, Learning & Cognit Lab, Beijing, Peoples R China
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Zhang, Wencai,Luo, Jing,J. Luo. The transferable placebo effect from pain to emotion: Changes in behavior and EEG activity[J]. PSYCHOPHYSIOLOGY,2009,46(3):626-634.
APA Zhang, Wencai,Luo, Jing,&J. Luo.(2009).The transferable placebo effect from pain to emotion: Changes in behavior and EEG activity.PSYCHOPHYSIOLOGY,46(3),626-634.
MLA Zhang, Wencai,et al."The transferable placebo effect from pain to emotion: Changes in behavior and EEG activity".PSYCHOPHYSIOLOGY 46.3(2009):626-634.
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