COMPARISON OF MAGNETOENCEPHALOGRAPHY, FUNCTIONAL MRI, AND MOTOR EVOKED-POTENTIALS IN THE LOCALIZATION OF THE SENSORY-MOTOR CORTEX

被引:74
作者
MORIOKA, T
YAMAMOTO, T
MIZUSHIMA, A
TOMBIMATSU, S
SHIGETO, H
HASUO, K
NISHIO, S
FUJII, K
FUKUI, M
机构
[1] KYUSHU UNIV 60,FAC MED,INST NEUROL,DEPT CLIN NEUROPHYSIOL,FUKUOKA 81282,JAPAN
[2] KYUSHU UNIV 60,FAC MED,INST NEUROL,DEPT NEUROL,FUKUOKA 81282,JAPAN
[3] KYUSHU UNIV,FAC MED,DEPT OTOLARYNGOL,FUKUOKA 812,JAPAN
[4] KYUSHU UNIV,FAC MED,DEPT RADIOL,FUKUOKA 812,JAPAN
关键词
FUNCTIONAL MRI; MAGNETIC SOURCE IMAGING; MAGNETOENCEPHALOGRAPHY; MOTOR EVOKED POTENTIALS; SENSORY-MOTOR CORTEX;
D O I
10.1080/01616412.1995.11740343
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
To clarify the topographical relationship between peri-Rolandic lesions and the central sulcus, we carried out presurgical functional mapping by using magnetoencephalography (MEG), functional magnetic resonance imaging (f-MRI), and motor evoked potentials (MEPs) on 5 patients. The sensory cortex was identified by somatosensory evoked magnetic fields using MEG (magnetic source imaging (MSD)). The motor area of the hand region was identified using I-MRI, during a hand squeezing task. In addition, transcranial magnetic stimulation localized the hand motor area on the scalp, which was mapped onto the MRI. In all cases, the sensory cortical vein or the lack of any functional activation in the area of peri-lesional edema. MEPs were also unable to localize the entire motor strip. Therefore, at present, MSI is considered to be the most reliable method to localize peri-Rolandic lesions. [Neurol Res 1995; 17: 361-367] cortical vein or the lack of any functional activation in the area of peri-lesional edema. MEPs were also unable to localize the entire motor strip. Therefore, at present, MSI is considered to be the most reliable method to localize peri-Rolandic lesions.
引用
收藏
页码:361 / 367
页数:7
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