Improved temporal clustering analysis method applied to whole-brain data in acupuncture fMRI study
Lu N(鲁娜); Dan BC(单保慈); Lu, N; Shan, BC; Xu, JY; Wang, W; Li, KC
刊名MAGNETIC RESONANCE IMAGING
2007
卷号25期号:8页码:1190-1195
关键词fMRI data analysis temporal clustering analysis (TCA) OTCA whole brain
学科分类Radiology, Nuclear Medicine & Medical Imaging
DOI10.1016/j.mri.2007.02.010
通讯作者Chinese Acad Sci, Inst High Energy Phys, Key Lab Nucl Anal Techn, Beijing 100049, Peoples R China ; Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China ; Gen Hosp Chinese Peoples Armed Police Forces, Beijing 100039, Peoples R China ; Capital Univ Med Sci, Xuanwu Hosp, Dept Radiol, Beijing 100053, Peoples R China
文章类型Article
英文摘要Temporal clustering analysis (TCA) has been proposed as a method for detecting the brain responses of a functional magnetic resonance imaging (fMRI) time series when the time and location of activation are completely unknown. But TCA is not suitable for treating the time series of the whole brain due to the existence of many inactive pixels. In theory, active pixels are located only in gray matter (GM). In this study, SPM2 was used to segment functional images into GM, white matter and cerebrospinal fluid, and only the pixels in GM were considered. Thus, most of inactive pixels are deleted, so that the sensitivity of TCA is greatly improved in the analysis of the whole brain. The same set of acupuncture fMRI data was treated using both conventional TCA and modified TCA (MTCA) for comparing their analytical ability. The results clearly show a significant improvement in the sensitivity achieved by MTCA. (C) 2007 Elsevier Inc. All rights reserved.
类目[WOS]Radiology, Nuclear Medicine & Medical Imaging
研究领域[WOS]Radiology, Nuclear Medicine & Medical Imaging
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语种英语
WOS记录号WOS:000250148700009
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239161
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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GB/T 7714
Lu N,Dan BC,Lu, N,et al. Improved temporal clustering analysis method applied to whole-brain data in acupuncture fMRI study[J]. MAGNETIC RESONANCE IMAGING,2007,25(8):1190-1195.
APA 鲁娜.,单保慈.,Lu, N.,Shan, BC.,Xu, JY.,...&Li, KC.(2007).Improved temporal clustering analysis method applied to whole-brain data in acupuncture fMRI study.MAGNETIC RESONANCE IMAGING,25(8),1190-1195.
MLA 鲁娜,et al."Improved temporal clustering analysis method applied to whole-brain data in acupuncture fMRI study".MAGNETIC RESONANCE IMAGING 25.8(2007):1190-1195.
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