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The transferable placebo effect from pain to emotion: Changes in behavior and EEG activity
Zhang, Wencai1,2; Luo, Jing1,3; J. Luo
AbstractPast 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.
KeywordTransferable placebo effect Pain Negative emotion Expectation Event-related potentials
Subject Area认知神经科学
2009-05-01
Language英语
Source PublicationPSYCHOPHYSIOLOGY
ISSN0048-5772
Volume46Issue:3Pages:626-634
SubtypeArticle
Indexed BySCI ; SSCI
WOS IDWOS:000265008200020
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/5811
Collection中国科学院心理研究所回溯数据库(1956-2010)
Corresponding AuthorJ. Luo
Affiliation1.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
First Author AffilicationKey Laboratory of Mental Health, CAS
Recommended Citation
GB/T 7714
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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