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Progressive Thinning of Visual Motion area in lower limb amputees
Jiang, Guangyao1; Li, Chuanming1; Wu, Jixiang2; Jiang, Tianzi3; Zhang, Yi4; Zhao, Lu5; Evans, Alan C.5; Li, Lei2; Ran, Shuhua1; Yin, Xuntao1,5; Wang, Jian1
2016-03-01
发表期刊FRONTIERS IN HUMAN NEUROSCIENCE
卷号10
文章类型Article
摘要Accumulating evidence has indicated that amputation or deafferentation of a limb induces functional or structural reorganization in the visual areas. However, the extent of the visual areas involved after lower limb amputation remains uncertain. In this investigation, we studied 48 adult patients with unilateral lower limb amputation and 48 matched healthy controls using T1-weighted magnetic resonance imaging. Template-based regions of interest analysis was implemented to detect the changes of cortical thickness in the specific visual areas. Compared with normal controls, amputees exhibited significantly lower thickness in the V5/middle temporal (V5/MT+) visual area, as well as a trend of cortical thinning in the V3d. There was no significant difference in the other visual areas between the two groups. In addition, no significant difference of cortical thickness was found between patients with amputation at different levels. Across all amputees, correlation analyses revealed that the cortical thickness of the V5/MT+ was negatively correlated to the time since amputation. In conclusion, our findings indicate that the amputation of unilateral lower limb could induce changes in the motor-related visual cortex and provide an update on the plasticity of the human brain after limb injury.
WOS标题词Science & Technology ; Social Sciences ; Life Sciences & Biomedicine
DOI10.3389/fnhum.2016.00079
关键词[WOS]MAGNETIC-RESONANCE IMAGES ; COORDINATE SYSTEM ; MATTER CHANGES ; HUMAN HOMOLOG ; MOTOR CORTEX ; PAIN ; AMPUTATION ; BRAIN ; REORGANIZATION ; STIMULATION
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China for Young Scholars(81301205) ; Open Project Program of the National Laboratory of Pattern Recognition (NLPR) in China(201306283)
WOS研究方向Neurosciences & Neurology ; Psychology
WOS类目Neurosciences ; Psychology
WOS记录号WOS:000371166100001
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/11359
专题脑网络组研究中心
作者单位1.Third Mil Med Univ, Southwest Hosp, Dept Radiol, Chongqing, Peoples R China
2.Third Mil Med Univ, Southwest Hosp, Dept Rehabil, Chongqing, Peoples R China
3.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing, Peoples R China
4.Tradit Chinese Med Hosp Taiwan, Dept Osteol, Taipei, Taiwan
5.McGill Univ, Montreal Neurol Inst, McConnell Brain Imaging Ctr, Montreal, PQ, Canada
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Jiang, Guangyao,Li, Chuanming,Wu, Jixiang,et al. Progressive Thinning of Visual Motion area in lower limb amputees[J]. FRONTIERS IN HUMAN NEUROSCIENCE,2016,10.
APA Jiang, Guangyao.,Li, Chuanming.,Wu, Jixiang.,Jiang, Tianzi.,Zhang, Yi.,...&Wang, Jian.(2016).Progressive Thinning of Visual Motion area in lower limb amputees.FRONTIERS IN HUMAN NEUROSCIENCE,10.
MLA Jiang, Guangyao,et al."Progressive Thinning of Visual Motion area in lower limb amputees".FRONTIERS IN HUMAN NEUROSCIENCE 10(2016).
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