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Time is nothing: emotional consistency of autobiographical memory and its neural basis
Xu, Rui1,2; Yang, Juan3; Feng, Chunliang1; Wu, Haiyan4,5; Huang, Ruiwang6; Yang, Qiuli2; Li, Zhihao7,8; Xu, Pengfei7,8; Gu, Ruolei4,5; Luo, Yue-jia7,8
第一作者Rui Xu
2018-08-01
发表期刊BRAIN IMAGING AND BEHAVIOR
通讯作者邮箱gurl@psych.ac.cn ; luoyj@bnu.edu.cn
ISSN1931-7557
卷号12期号:4页码:1053-1066
产权排序4
摘要

The emotional aspect of autobiographical memories (AMs) is associated with self-related processing, which plays an important role in mental health. However, the emotional consistency dimension of AMs and its neural underpinnings remain largely unexplored. Twenty-five healthy participants were involved in this study. Participants were first asked to recall important AMs and assess the emotional ratings of each AM. Four weeks later, they were asked to retrieve the details of both positive and negative AMs during functional magnetic resonance imaging (fMRI) scanning. Behavioral results showed that the emotional valence of negative memories changed more strongly than positive memories over time (i.e., lower consistency). fMRI data showed that the activation level of the precuneus was positively correlated with self-rating valence consistency in the positive AM condition. Additionally, the precuneus connected to a key region of the self-referential network, the medial prefrontal cortex, in both the positive and negative AM conditions. Finally, the precuneus showed stronger connections with the inferior parietal lobule when comparing the positive with the negative AM conditions. Our results suggest that the precuneus is a key area of emotional consistency in positive AMs; this brain area may be involved in the maintenance of a positive self-image by strengthening positive AMs.

关键词Autobiographical Memory Emotional Consistency Functional Magnetic Resonance Imaging Precuneus Self-referential Processing
DOI10.1007/s11682-017-9778-8
语种英语
项目资助者National Natural Science Foundation of China ; KQTD ; Beijing National Science Foundation ; Chinese Medical Scientific Development Foundation of Beijing City ; Project of Institute of Basic Research in Clinical Medicine ; China Academy of Chinese Medical Sciences
资助项目National Natural Science Foundation of China[81503480] ; National Natural Science Foundation of China[31571124] ; National Natural Science Foundation of China[31500920] ; KQTD[2015033016104926] ; Beijing National Science Foundation[7154227] ; Chinese Medical Scientific Development Foundation of Beijing City[JJ2011-69] ; Project of Institute of Basic Research in Clinical Medicine ; China Academy of Chinese Medical Sciences[Z0414]
WOS研究方向Neurosciences & Neurology
WOS类目Neuroimaging
WOS记录号WOS:000440141800012
出版者SPRINGER
关键词[WOS]Phenomenal Characteristics ; Fear Generalization ; Functional-anatomy ; Anxiety Disorders ; Episodic Memory ; Negative Affect ; Self ; Retrieval ; Recall ; Networks
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/26686
专题中国科学院行为科学重点实验室
通讯作者Gu, Ruolei; Luo, Yue-jia
作者单位1.Beijing Normal Univ, Natl Key Lab Cognit Neurosci & Leaning, Beijing 100875, Peoples R China
2.China Acad Chinese Med Sci, Inst Basic Res Clin Med, Beijing 100700, Peoples R China
3.Southwest Univ, Fac Psychol, Chongqing 400715, Peoples R China
4.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
5.Univ Chinese Acad Sci, Dept Psychol, Beijing 100049, Peoples R China
6.South China Normal Univ, Ctr Studies Psychol Applicat, Guangdong Key Lab Mental Hlth & Cognit Sci, Sch Psychol, Guangzhou 510631, Guangdong, Peoples R China
7.Shenzhen Univ, Shenzhen Key Lab Affect & Social Neurosci, Shenzhen 518060, Peoples R China
8.Shenzhen Inst Neurosci, Ctr Emot & Brain, Shenzhen 518057, Peoples R China
推荐引用方式
GB/T 7714
Xu, Rui,Yang, Juan,Feng, Chunliang,et al. Time is nothing: emotional consistency of autobiographical memory and its neural basis[J]. BRAIN IMAGING AND BEHAVIOR,2018,12(4):1053-1066.
APA Xu, Rui.,Yang, Juan.,Feng, Chunliang.,Wu, Haiyan.,Huang, Ruiwang.,...&Luo, Yue-jia.(2018).Time is nothing: emotional consistency of autobiographical memory and its neural basis.BRAIN IMAGING AND BEHAVIOR,12(4),1053-1066.
MLA Xu, Rui,et al."Time is nothing: emotional consistency of autobiographical memory and its neural basis".BRAIN IMAGING AND BEHAVIOR 12.4(2018):1053-1066.
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