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The Neuroanatomical Basis for Posterior Superior Parietal Lobule Control Lateralization of Visuospatial Attention
Wu, Yan1; Wang, Jiaojian1; Zhang, Yun1; Zheng, Dingchen1; Zhang, Jinfeng1; Rong, Menglin1; Wu, Huawang1; Wang, Yinyan2; Zhou, Ke3; Jiang, Tianzi1,4,5,6,7
Source PublicationFRONTIERS IN NEUROANATOMY
2016-03-24
Volume10
SubtypeArticle
AbstractThe right hemispheric dominance in visuospatial attention in human brain has been well established. Converging evidence has documented that ventral posterior parietal cortex (PPC) plays an important role in visuospatial attention. The role of dorsal PPC subregions, especially the superior parietal lobule (SPL) in visuospatial attention is still controversial. In the current study, we used repetitive transcranial magnetic stimulation (rTMS) and diffusion magnetic resonance imaging (MRI) techniques to test the role of posterior SPL in visuospatial attention and to investigate the potential neuroanatomical basis for right hemisphere dominance in visuospatial function. Transcranial magnetic stimulation (TMS) results unraveled that the right SPL predominantly mediated visuospatial attention compared to left SPL. Anatomical connections analyses between the posterior SPL and the intrahemispheric frontal subregions and the contralateral PPC revealed that right posterior SPL has stronger anatomical connections with the ipsilateral middle frontal gyrus (MFG), with the ipsilateral inferior frontal gyrus (IFG), and with contralateral PPC than that of the left posterior SPL. Furthermore, these asymmetric anatomical connections were closely related to behavioral performances. Our findings indicate that SPL plays a crucial role in regulating visuospatial attention, and dominance of visuospatial attention results from unbalanced interactions between the bilateral frontoparietal networks and the interhemispheric parietal network.
KeywordTranscranial Magnetic Stimulation Anatomical Connectivity Fronto-parietal Network Posterior Parietal Cortex Superior Parietal Lobule
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.3389/fnana.2015.00032
WOS KeywordTRANSCRANIAL MAGNETIC STIMULATION ; LINE BISECTION JUDGMENTS ; SPATIAL ATTENTION ; COGNITIVE NEUROSCIENCE ; FUNCTIONAL CONNECTIVITY ; HUMAN BRAIN ; UNILATERAL NEGLECT ; VIRTUAL LESIONS ; NEURAL BASIS ; IN-VIVO
Indexed BySCI
Language英语
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences(XDB02030300) ; Natural Science Foundation of China(31500867 ; 91132301)
WOS Research AreaAnatomy & Morphology ; Neurosciences & Neurology
WOS SubjectAnatomy & Morphology ; Neurosciences
WOS IDWOS:000372753200001
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/11377
Collection脑网络组研究中心
Affiliation1.Univ Elect Sci & Technol China, Sch Life Sci & Technol, Key Lab NeuroInformat, Minist Educ, Chengdu 610054, Peoples R China
2.Capital Med Univ, Beijing Neurosurg Inst, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Biophys, State Key Lab Brain & Cognit Sci, Beijing 100080, Peoples R China
4.Chinese Acad Sci, Inst Automat, Brainnetome Ctr, Beijing, Peoples R China
5.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing, Peoples R China
6.Univ Queensland, Queensland Brain Inst, Brisbane, Qld, Australia
7.Chinese Acad Sci, Inst Automat, CAS Ctr Excellence Brain Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wu, Yan,Wang, Jiaojian,Zhang, Yun,et al. The Neuroanatomical Basis for Posterior Superior Parietal Lobule Control Lateralization of Visuospatial Attention[J]. FRONTIERS IN NEUROANATOMY,2016,10.
APA Wu, Yan.,Wang, Jiaojian.,Zhang, Yun.,Zheng, Dingchen.,Zhang, Jinfeng.,...&Jiang, Tianzi.(2016).The Neuroanatomical Basis for Posterior Superior Parietal Lobule Control Lateralization of Visuospatial Attention.FRONTIERS IN NEUROANATOMY,10.
MLA Wu, Yan,et al."The Neuroanatomical Basis for Posterior Superior Parietal Lobule Control Lateralization of Visuospatial Attention".FRONTIERS IN NEUROANATOMY 10(2016).
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