Multichannel magnetoencephalography for localization of epileptogenic activity in intractable epilepsies

Author

Knutsson, Evert ; Hellstrand, Eric ; Schneider, Siegfried ; Striebel, Werner

Author_Institution

Dept. of Neurophysiol., Karolinska Hospital, Stockholm, Sweden

Volume

29

Issue

6

fYear

1993

fDate

11/1/1993 12:00:00 AM

Firstpage

3321

Lastpage

3324

Abstract

The authors studied patients with medically intractable epilepsy using interictal multichannel magnetoencephalography (MEG), and intracranial electroencephalographic (EEG) recordings of their seizures. It was found that strong interictal, epileptogenic, biomagnetic signals originated in small areas within the much larger areas that include the site where epileptic seizures, according to intracranial EEG recordings, appear to start. Thus, the interictal biomagnetic signals may imply a more precise localization of epileptic activity acting as a pacemaker for seizures

Keywords

biomagnetism; biomedical measurement; brain; epileptogenic activity localization; interictal multichannel magnetoencephalography; intracranial EEG recordings; intracranial electroencephalographic recordings; medically intractable epilepsy; seizure pacemaker; Biomagnetics; Drugs; Electrodes; Electroencephalography; Epilepsy; Magnetoencephalography; Magnetometers; Medical diagnostic imaging; Medical treatment; Surgery;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.281164

Filename

281164