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Japanese

Functional evaluation of epilepsy: Magnetoencephalography and functional magnetic resonance imaging. Takashi YOSHIMOTO 1 , Nobukazu NAKASATO 1 , Hiroaki SHIMIZU 1 , Taisuke OTSUKI 1 , Hidefumi JOKURA 1 , Reizo SHIRANE 1 1Department of Neurosurgery, Tohoku University School of Medicine Keyword: magnetoencephalography , functional magnetic resonance imaging , epilepsy , functional brain mapping pp.962-967
Published Date 1998/12/10
DOI https://doi.org/10.11477/mf.1431900911
  • Abstract
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 The clinical utility of magnetoencephalography (MEG) and functional magnetic resonance imaging (fMRI) is reviewed for evaluating both normal and abnormal brain function in patients with intractable epilepsy. Recent advances in magnetophysiology and superconductivity physics have enabled non-invasive multimodal functional brain imaging. MEG can be applied to mapping of the somatosensory, auditory and visual cortices. The sources of the evoked magnetic fields are localized near the primary sensory area. Latency delay in the evoked responses can be used for quantitative evaluation of brain function.


Copyright © 1998, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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