지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 319 - 330 (12page)
이용수
초록· 키워드
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Background and Purpose Te aim of this study was to determine the usefulness of threedimensional (3D) scalp EEG source imaging (ESI) in partial epilepsy in comparison with the results of presurgical evaluation, magnetoencephalography (MEG), and electrocorticography (ECoG).
Methods Te epilepsy syndrome of 27 partial epilepsy patients was determined by presurgical evaluations. EEG recordings were made using 70 scalp electrodes, and the 3D coordinates of the electrodes were digitized. ESI images of individual and averaged spikes were analyzed by Curry sofware with a boundary element method. MEG and ECoG were performed in 23 and 9 patients, respectively.
Results ESI and MEG source imaging (MSI) results were well concordant with the results of presurgical evaluations (in 96.3% and 100% cases for ESI and MSI, respectively) at the lobar level. However, there were no spikes in the MEG recordings of three patients. Te ESI results were well concordant with MSI results in 90.0% of cases. Compared to ECoG, the ESI results tended to be localized deeper than the cortex, whereas the MSI results were generally localized on the cortical surface. ESI was well concordant with ECoG in 8 of 9 (88.9%) cases, and MSI was also well concordant with ECoG in 4 of 5 (80.0%) cases. Te EEG single dipoles in one patient with mesial temporal lobe epilepsy were tightly clustered with the averaged dipole when a 3 Hz high-pass flter was used.
Conclusions Te ESI results were well concordant with the results of the presurgical evaluation, MSI, and ECoG. Te ESI analysis was found to be useful for localizing the seizure focus and is recommended for the presurgical evaluation of intractable epilepsy patients.
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등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
[학술지(정기간
Brodbeck V / 2010 / Electrical source imaging for presurgical focus localization in epilepsy patients with normal MRI / Epilepsia 51 : 583 ~ 591
Brodbeck V / 2011 / Electroencephalographic source imaging: a prospective study of 152 operated epileptic patients / Brain 134 (10) : 2887 ~ 2897
Diekmann V / 1998 / Localisation of epileptic foci with electric, magnetic and combined electromagnetic models / Electroencephalogr Clin Neurophysiol 106 : 297 ~ 313
Ding L / 2007 / Ictal source analysis: localization and imaging of causal interactions in humans / Neuroimage 34 : 575 ~ 586
Brodbeck V / 2010 / Electrical source imaging for presurgical focus localization in epilepsy patients with normal MRI / Epilepsia 51 : 583 ~ 591
Brodbeck V / 2011 / Electroencephalographic source imaging: a prospective study of 152 operated epileptic patients / Brain 134 (10) : 2887 ~ 2897
Diekmann V / 1998 / Localisation of epileptic foci with electric, magnetic and combined electromagnetic models / Electroencephalogr Clin Neurophysiol 106 : 297 ~ 313
Ding L / 2007 / Ictal source analysis: localization and imaging of causal interactions in humans / Neuroimage 34 : 575 ~ 586
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