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学科主题临床医学
Novel MRI-Compatible Tactile Stimulator for Cortical Mapping of Foot Sole Pressure Stimuli with fMRI
Hao, Ying1; Manor, Brad1,2; Liu, Jing1,3; Zhang, Kai1; Chai, Yufeng1; Lipsitz, Lewis2; Peng, Chung-Kang2; Novak, Vera2; Wang, Xiaoying1,3; Zhang, Jue1,4; Fang, Jing1,4
关键词plantar somatosensory gait feedback pneumatic
刊名MAGNETIC RESONANCE IN MEDICINE
2013-04-01
DOI10.1002/mrm.24330
69期:4页:1194-1199
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Radiology, Nuclear Medicine & Medical Imaging
资助者National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities, China ; Harvard Catalyst ; NIH ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities, China ; Harvard Catalyst ; NIH
研究领域[WOS]Radiology, Nuclear Medicine & Medical Imaging
关键词[WOS]ARRAY ; FIELD ; COIL
英文摘要

Foot sole somatosensory feedback is critical to motor control and declines with aging and disease. To enable study of cortical networks underlying foot sole somatosensation, we developed a pneumatic tactile stimulator capable of producing one degree-of-freedom (DOF) oscillations with preset waveform, frequency (<= 10 Hz), force magnitude (5-500 N), duty cycle (20-100%), and contacted surface area over which pressures are applied to the foot sole. Image tests (anatomical/functional/field map) of a phantom demonstrated that the device is compatible with 3 T MRI. Gradient-recalled echo-planar images of seven healthy young adults using a typical block-designed 1 Hz sinusoidal stimulation protocol revealed significant activation contralaterally within the primary somatosensory cortex and paracentral gyrus, and bilaterally within the secondary somatosensory cortex. The stimulation system may therefore serve as a research tool to study functional brain networks involved in the perception and modulation of foot sole somatosensation and its relationship to motor control. Magn Reson Med 69:1194-1199, 2013. (C) 2012 Wiley Periodicals, Inc.

语种英语
所属项目编号31150110173 ; 1KL2RR025757-04 ; KL2 RR 025757
资助者National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities, China ; Harvard Catalyst ; NIH ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities, China ; Harvard Catalyst ; NIH
WOS记录号WOS:000316629300032
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/62908
专题北京大学第一临床医学院_放射治疗科
作者单位1.Peking Univ, Coll Engn, Beijing 100871, Peoples R China
2.Peking Univ, Acad Adv Interdisciplinary Studies, Beijing 100871, Peoples R China
3.Harvard Univ, Beth Israel Deaconess Med Ctr, Sch Med, Dept Med, Boston, MA 02215 USA
4.Peking Univ, Dept Radiol, Hosp 1, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Hao, Ying,Manor, Brad,Liu, Jing,et al. Novel MRI-Compatible Tactile Stimulator for Cortical Mapping of Foot Sole Pressure Stimuli with fMRI[J]. MAGNETIC RESONANCE IN MEDICINE,2013,69(4):1194-1199.
APA Hao, Ying.,Manor, Brad.,Liu, Jing.,Zhang, Kai.,Chai, Yufeng.,...&Fang, Jing.(2013).Novel MRI-Compatible Tactile Stimulator for Cortical Mapping of Foot Sole Pressure Stimuli with fMRI.MAGNETIC RESONANCE IN MEDICINE,69(4),1194-1199.
MLA Hao, Ying,et al."Novel MRI-Compatible Tactile Stimulator for Cortical Mapping of Foot Sole Pressure Stimuli with fMRI".MAGNETIC RESONANCE IN MEDICINE 69.4(2013):1194-1199.
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