TY - JOUR
T1 - Combination of magnetoencephalography (MEG) and functional magnetic resonance imaging (FMRI) for neurosurgical mapping of the sensory and motor cortices
AU - Nakasato, N.
AU - Inoue, T.
AU - Takahashi, A.
AU - Kanno, A.
AU - Hatanaka, K.
AU - Shimizu, H.
AU - Kumabe, T.
AU - Yoshimoto, T.
PY - 1998
Y1 - 1998
N2 - Magnetoencephalography (MEG) and functional magnetic resonance imaging (FMRI) were applied to brain mapping in three normal volunteers and three patients with brain tumors. The central sulcus was identified by source localization of the somatosensory evoked potentials (SEFs) in all subjects. Functional abnormality was detected as reduced amplitude or latency delay of the SEF peaks. FMRI indicated multiple and extended regions of activation, such as primary motor, primary sensory, and supplementary motor cortices. The primary motor and sensory cortices were not activated due to the effect of the lesion of one patient. The highest activation was found far posterior to the central sulcus due to a large venous inflow effect in another patient.
AB - Magnetoencephalography (MEG) and functional magnetic resonance imaging (FMRI) were applied to brain mapping in three normal volunteers and three patients with brain tumors. The central sulcus was identified by source localization of the somatosensory evoked potentials (SEFs) in all subjects. Functional abnormality was detected as reduced amplitude or latency delay of the SEF peaks. FMRI indicated multiple and extended regions of activation, such as primary motor, primary sensory, and supplementary motor cortices. The primary motor and sensory cortices were not activated due to the effect of the lesion of one patient. The highest activation was found far posterior to the central sulcus due to a large venous inflow effect in another patient.
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M3 - Conference article
AN - SCOPUS:0032280081
SN - 0589-1019
VL - 4
SP - 2209
EP - 2212
JO - Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
JF - Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
T2 - Proceedings of the 1998 20th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Part 4 (of 6)
Y2 - 29 October 1998 through 1 November 1998
ER -