Increased anticipatory contingent negative variation in posttraumatic stress disorder

被引：9

作者：

Duan, Hongxia ^{[1
,3
,4
]}

Wang, Li ^{[2
]}

Fernandez, Guillen ^{[4
]}

Zhang, Kan ^{[1
]}

Wu, Jianhui ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China

[2] Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China

[3] Univ Chinese Acad Sci, Beijing, Peoples R China

[4] Radboud Univ Nijmegen, Med Ctr, Dept Cognit Neurosci, Donders Inst Brain Cognit & Behav, NL-6525 ED Nijmegen, Netherlands

来源：

BIOLOGICAL PSYCHOLOGY | 2016年 / 117卷

基金：

中国国家自然科学基金;

关键词：

Anticipation; PTSD; Event-related potentials; Contingent negative variation; Re-experiencing; MAJOR DEPRESSIVE DISORDER; TRAIT ANXIETY INVENTORY; DSM-5 PTSD SYMPTOMS; COMBAT VETERANS; PSYCHOMETRIC PROPERTIES; MISMATCH NEGATIVITY; RESPONSE-INHIBITION; PREFRONTAL CORTEX; ACTIVATION; ATTENTION;

D O I：

10.1016/j.biopsycho.2016.03.004

中图分类号：

B84 [心理学];

学科分类号：

04 ; 0402 ;

摘要：

Altered anticipation processes are implicated across various clinical samples, but few studies focused on the posttraumatic stress disorder (PTSD). We measured contingent negative variation (CNV) in a choice reaction paradigm among 58 survivors of the Wenchuan earthquake, including 28 individuals who were diagnosed with PTSD and 30 without PTSD. Compared to the non-PTSD group, the PTSD group had significantly larger CNV amplitude. On the behavioral level, although the reaction times were comparable between groups, the PTSD group committed more errors than the non-PTSD group. Furthermore, the total PTSD symptom severity score as well as the re-experiencing symptom score were positively related to CNV amplitude. These results suggested that individuals with PTSD might be more alerted to and anticipate more to upcoming events in their environment, yet still have degraded performance in response to the stimulus. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：80 / 88

页数：9

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