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Enhanced mismatch negativity in adolescents with posttraumatic stress disorder (PTSD)
Ge, Yan; Wu, Jianhui; Sun, Xianghong; Zhang, Kan; Zhang, K (reprint author), Chinese Acad Sci, Inst Psychol, State Key Lab Brain & Cognit Sci, 4A Datun Rd, Beijing 100101, Peoples R China.
2011-02-01
Source PublicationINTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY
ISSN0167-8760
SubtypeArticle
Volume79Issue:2Pages:231-235
Contribution Rank1
AbstractThe mismatch negativity (MMN) is observed following rare or unique sensory events, and reflects pre-attentional sensory processing of unexpected stimuli. The MMN is altered in several mental illnesses, including post-traumatic stress disorder (PTSD), but did not yield consistent results. We measured MMN in 27 survivors of the Wenchuan earthquake, including 13 who were diagnosed with PTSD, to determine if pre-attentive processing in the auditory cortex was altered by this disease. The amplitude of MMN was significantly greater in the PTSD group compared to the control group. In contrast, no significant group difference was found in the N1 potential, an event-related potential that reflects cortical transmission of sensory information. These results demonstrated an increased sensitivity to deviant stimuli in PTSD that may reflect a chronic state of hyperarousal and hypervigilance in trauma victims. (C) 2010 Published by Elsevier B.V.
KeywordPosttraumatic stress disorder Pre-attentive processing Event-related potentials MMN
Subject AreaTrauma Psychology
Indexed BySSCI
Language英语
Funding OrganizationNSF China [90924017] ; CAS [O9CX062006]
Funding Project三室张侃课题组
Project Intro.This work was supported by NSF China (90924017) and the Project for Young Scientist Fund, IP, CAS (O9CX062006). We express great appreciation to the teachers and students in Beichuan Vocational High School for their courage after experiencing the earthquake and their supports in this study.
WOS IDWOS:000288294700017
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Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/6991
Collection脑与认知科学国家重点实验室
Corresponding AuthorZhang, K (reprint author), Chinese Acad Sci, Inst Psychol, State Key Lab Brain & Cognit Sci, 4A Datun Rd, Beijing 100101, Peoples R China.
AffiliationChinese Acad Sci, Inst Psychol, State Key Lab Brain & Cognit Sci, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Ge, Yan,Wu, Jianhui,Sun, Xianghong,et al. Enhanced mismatch negativity in adolescents with posttraumatic stress disorder (PTSD)[J]. INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY,2011,79(2):231-235.
APA Ge, Yan,Wu, Jianhui,Sun, Xianghong,Zhang, Kan,&Zhang, K .(2011).Enhanced mismatch negativity in adolescents with posttraumatic stress disorder (PTSD).INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY,79(2),231-235.
MLA Ge, Yan,et al."Enhanced mismatch negativity in adolescents with posttraumatic stress disorder (PTSD)".INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY 79.2(2011):231-235.
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