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Event-related potential correlates of suspicious thoughts in individuals with schizotypal personality features
Li, Xue-bing1; Huang, Jia1; Cheung, Eric F. C.2; Gong, Qi-yong3; Chan, Raymond C. K.1; Chan, RCK (reprint author), 4A Datun Rd, Beijing 100101, Peoples R China.
2011
Source PublicationSOCIAL NEUROSCIENCE
ISSN1747-0919
SubtypeArticle
Volume6Issue:5-6Pages:559-568
Contribution Rank1
AbstractSuspiciousness is a common feature of schizophrenia. However, suspicious thoughts are also commonly experienced by the general population. This study aimed to examine the underlying neural mechanism of suspicious thoughts in individuals with and without schizotypal personality disorder (SPD)-proneness, using an event-related potential (ERP) paradigm. Electroencephalography (EEG) was recorded when the "feeling of being seen through" was evoked in the participants. The findings showed a prominent positive deflection of the difference wave within the time window 250-400 ms after stimuli presentation in both SPD-prone and non-SPD-prone groups. Furthermore, the P3 amplitude was significantly reduced in the SPD-prone group compared to the non-SPD-prone group. The current density analysis also indicated hypoactivity in both frontal and temporal regions in the SPD-prone group, suggesting that the frontotemporal cortical network may play a role in the onset of suspicious thoughts. The P3 of difference wave was inversely correlated with the cognitive-perception factor and the suspiciousness/paranoid ideation trait, which provided preliminary electrophysiological evidence for the association of suspiciousness with SPD features.
KeywordSchizotypal personality Suspicious thoughts Event-related potentials
Subject AreaPersonality Psychology
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Indexed BySCI
Language英语
Funding OrganizationProject-Oriented Hundred Talents Programme [O7CX031003] ; Research Initiation Fund [O9CX083008] ; Chinese Academy of Sciences [KSCX2-YW-R-131] ; National Basic Research Programme (973 Programme) [2007CB512302/5] ; National Nature Science Foundation of China [NSFC 30900441] ; National Science Foundation China [81088001]
Project Intro.This study was supported by the Project-Oriented Hundred Talents Programme (O7CX031003), the Research Initiation Fund (O9CX083008), the Knowledge Innovation Project of the Chinese Academy of Sciences (KSCX2-YW-R-131), the National Basic Research Programme (973 Programme No. 2007CB512302/5), the National Nature Science Foundation of China (NSFC 30900441), and the Outstanding Young Investigator Award from the National Science Foundation China (81088001) to Raymond Chan.
WOS IDWOS:000299570500011
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/11503
Collection脑与认知科学国家重点实验室
Corresponding AuthorChan, RCK (reprint author), 4A Datun Rd, Beijing 100101, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Psychol, Neuropsychol & Appl Cognit Neurosci Lab, Key Lab Mental Hlth, Beijing 100101, Peoples R China
2.Castle Peak Hosp, Hong Kong, Hong Kong, Peoples R China
3.Sichuan Univ, W China Hosp, W China Sch Med, Huaxi MR Res Ctr,Dept Radiol, Chengdu 610064, Peoples R China
Recommended Citation
GB/T 7714
Li, Xue-bing,Huang, Jia,Cheung, Eric F. C.,et al. Event-related potential correlates of suspicious thoughts in individuals with schizotypal personality features[J]. SOCIAL NEUROSCIENCE,2011,6(5-6):559-568.
APA Li, Xue-bing,Huang, Jia,Cheung, Eric F. C.,Gong, Qi-yong,Chan, Raymond C. K.,&Chan, RCK .(2011).Event-related potential correlates of suspicious thoughts in individuals with schizotypal personality features.SOCIAL NEUROSCIENCE,6(5-6),559-568.
MLA Li, Xue-bing,et al."Event-related potential correlates of suspicious thoughts in individuals with schizotypal personality features".SOCIAL NEUROSCIENCE 6.5-6(2011):559-568.
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