Usefulness of multiple frequency band source localizations in ictal MEG

Highlights • Source localization in the gamma band in a 10 s window before ictal onset showed the best concordance to the resection cavity among the tested frequencies and time windows. • A localization method using a 10 s time window does not require a subjective selection procedure; it would be bo...

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Bibliographic Details
Published in:Clinical neurophysiology 2016-02, Vol.127 (2), p.1049-1056
Main Authors: Jeong, Woorim, Kim, June Sic, Chung, Chun Kee
Format: Article
Language:English
Subjects:
Adolescent
Adult
Child
Epilepsy
Epilepsy - diagnosis
Epilepsy - physiopathology
Female
Follow-Up Studies
Gamma
Gamma Rhythm - physiology
Humans
Ictal
Magnetoencephalography
Magnetoencephalography - methods
Male
Malformations of Cortical Development - diagnosis
Malformations of Cortical Development - physiopathology
Neurology
Source localization
Young Adult
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Summary:Highlights • Source localization in the gamma band in a 10 s window before ictal onset showed the best concordance to the resection cavity among the tested frequencies and time windows. • A localization method using a 10 s time window does not require a subjective selection procedure; it would be both more convenient and more objective in a clinical setting. • Focal localization via a gamma band source predicts a seizure-free outcome, especially in patients with focal cortical dysplasia pathology.
ISSN:1388-2457
1872-8952
DOI:10.1016/j.clinph.2015.07.015