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Inactivation of the prelimbic rather than infralimbic cortex impairs acquisition and expression of formalin-induced conditioned place avoidance
Jiang, Zhao-Cai1,2; Pan, Qi3; Zheng, Chun1,2,4; Deng, Xiao-Fei1,2; Wang, Jin-Yan1; Luo, Fei1
2014-05-21
Source PublicationNEUROSCIENCE LETTERS
ISSN0304-3940
SubtypeArticle
Volume569Issue:0Pages:89-93
AbstractConditioned place avoidance (CPA) paradigm has been used to investigate the affective component of pain. Although the anterior cingulate cortex (ACC) has been demonstrated to play an important role in the affective aspect of pain, whether the other prefrontal subdivisions are involved in pain-related aversion is unknown. The present study investigated the role of the prelimbic cortex (PL) and infralimbic cortex (IL) in the acquisition and expression of formalin-induced CPA (F-CPA) in rats. GABA(A) receptor agonist muscimol was bilaterally microinjected into PL/IL before or after the formalin-paired training, to explore the effect of temporary inactivation of PL/IL on the acquisition and expression of F-CPA, respectively. The results showed that inactivation of PL rather than IL impaired the acquisition and expression of F-CPA. Moreover, the PL inactivation did not block the acquisition of LiCl-induced CPA, suggesting that PL may be specifically implicated in the pain-emotion related encoding. These results indicate that PL but not IL is involved in the aversive dimension of pain. (C) 2014 Elsevier Ireland Ltd. All rights reserved.
KeywordPrefrontal cortex Conditioned place avoidance Acquisition Expression Pain emotion Rats
Indexed BySCI
Language英语
WOS IDWOS:000336356100018
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/13455
Collection中国科学院心理健康重点实验室
Affiliation1.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Southern Med Univ, Zhujiang Hosp, Dept Neurosurg, Guangzhou 510282, Guangdong, Peoples R China
4.Southwest Univ Nationalities, Dept Psychol, Chengdu 610041, Peoples R China
First Author AffilicationKey Laboratory of Mental Health, CAS
Recommended Citation
GB/T 7714
Jiang, Zhao-Cai,Pan, Qi,Zheng, Chun,et al. Inactivation of the prelimbic rather than infralimbic cortex impairs acquisition and expression of formalin-induced conditioned place avoidance[J]. NEUROSCIENCE LETTERS,2014,569(0):89-93.
APA Jiang, Zhao-Cai,Pan, Qi,Zheng, Chun,Deng, Xiao-Fei,Wang, Jin-Yan,&Luo, Fei.(2014).Inactivation of the prelimbic rather than infralimbic cortex impairs acquisition and expression of formalin-induced conditioned place avoidance.NEUROSCIENCE LETTERS,569(0),89-93.
MLA Jiang, Zhao-Cai,et al."Inactivation of the prelimbic rather than infralimbic cortex impairs acquisition and expression of formalin-induced conditioned place avoidance".NEUROSCIENCE LETTERS 569.0(2014):89-93.
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