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Dynamic changes in brain activations and functional connectivity during affectively different tactile stimuli
Hua, Qing-Ping1,2; Zeng, Xiang-Zhu3; Liu, Jian-Yu3; Wang, Jin-Yan1; Guo, Jian-You1; Luo, Fei1,2; F. Luo
2008
Source PublicationCELLULAR AND MOLECULAR NEUROBIOLOGY
ISSN0272-4340
SubtypeArticle
Volume28Issue:1Pages:57-70
AbstractIn the present study, we compared brain activations produced by pleasant, neutral and unpleasant touch, to the anterior lateral surface of lower leg of human subjects. It was found that several brain regions, including the contralateral primary somatosensory area (SI), bilateral secondary somatosensory area (SII), as well as contralateral middle and posterior insula cortex were commonly activated under the three touch conditions. In addition, pleasant and unpleasant touch conditions shared a few brain regions including the contralateral posterior parietal cortex (PPC) and bilateral premotor cortex (PMC). Unpleasant touch specifically activated a set of pain-related brain regions such as contralateral supplementary motor area (SMA) and dorsal parts of bilateral anterior cingulated cortex, etc. Brain regions specifically activated by pleasant touch comprised bilateral lateral orbitofrontal cortex (OFC), posterior cingulate cortex (PCC), medial prefrontal cortex (mPFC), intraparietal cortex and left dorsal lateral prefrontal cortex (DLPFC). Using a novel functional connectivity model based on graph theory, we showed that a series of brain regions related to affectively different touch had significant functional connectivity during the resting state. Furthermore, it was found that such a network can be modulated between affectively different touch conditions.; In the present study, we compared brain activations produced by pleasant, neutral and unpleasant touch, to the anterior lateral surface of lower leg of human subjects. It was found that several brain regions, including the contralateral primary somatosensory area (SI), bilateral secondary somatosensory area (SII), as well as contralateral middle and posterior insula cortex were commonly activated under the three touch conditions. In addition, pleasant and unpleasant touch conditions shared a few brain regions including the contralateral posterior parietal cortex (PPC) and bilateral premotor cortex (PMC). Unpleasant touch specifically activated a set of pain-related brain regions such as contralateral supplementary motor area (SMA) and dorsal parts of bilateral anterior cingulated cortex, etc. Brain regions specifically activated by pleasant touch comprised bilateral lateral orbitofrontal cortex (OFC), posterior cingulate cortex (PCC), medial prefrontal cortex (mPFC), intraparietal cortex and left dorsal lateral prefrontal cortex (DLPFC). Using a novel functional connectivity model based on graph theory, we showed that a series of brain regions related to affectively different touch had significant functional connectivity during the resting state. Furthermore, it was found that such a network can be modulated between affectively different touch conditions.
KeywordfMRI functional connectivity resting state pleasant touch unpleasant touch
Subject Area生理心理学/生物心理学
Indexed BySCI
Language英语
WOS IDWOS:000253191800009
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/5331
Collection中国科学院心理研究所回溯数据库(1956-2010)
Corresponding AuthorF. Luo
Affiliation1.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
2.Peking Univ, Neurosci Res Inst, Beijing 100871, Peoples R China
3.Peking Univ, Hosp 3, Dept Radiol, Beijing 100871, Peoples R China
First Author AffilicationKey Laboratory of Mental Health, CAS
Recommended Citation
GB/T 7714
Hua, Qing-Ping,Zeng, Xiang-Zhu,Liu, Jian-Yu,et al. Dynamic changes in brain activations and functional connectivity during affectively different tactile stimuli[J]. CELLULAR AND MOLECULAR NEUROBIOLOGY,2008,28(1):57-70.
APA Hua, Qing-Ping.,Zeng, Xiang-Zhu.,Liu, Jian-Yu.,Wang, Jin-Yan.,Guo, Jian-You.,...&F. Luo.(2008).Dynamic changes in brain activations and functional connectivity during affectively different tactile stimuli.CELLULAR AND MOLECULAR NEUROBIOLOGY,28(1),57-70.
MLA Hua, Qing-Ping,et al."Dynamic changes in brain activations and functional connectivity during affectively different tactile stimuli".CELLULAR AND MOLECULAR NEUROBIOLOGY 28.1(2008):57-70.
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