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Surface Ictal Electroencephalographic Patterns in Frontal vs Temporal Lobe Epilepsy

Published online by Cambridge University Press:  18 September 2015

Barbara E. Swartz ,
Gregory O. Walsh ,
Antonio V. Delgado-Escueta  and
Paolo Zolo
Barbara E. Swartz*
Affiliation:
Neurology and Research Services, VA Southwest Regional Epilepsy Center, VAMC W. Los Angeles, Wadsworth Division, and the Comprehensive Epilepsy Program, Los Angeles the Department of Neurology, UCLA School of Medicine, Los Angeles
Gregory O. Walsh
Affiliation:
the Department of Neurology, UCLA School of Medicine, Los Angeles
Antonio V. Delgado-Escueta
Affiliation:
Neurology and Research Services, VA Southwest Regional Epilepsy Center, VAMC W. Los Angeles, Wadsworth Division, and the Comprehensive Epilepsy Program, Los Angeles the Department of Neurology, UCLA School of Medicine, Los Angeles
Paolo Zolo
Affiliation:
the Comprehensive Epilepsy Program, Santa Monica Medical Center, Santa Monica, Epilepsy Center, Arezzo Hospital, Arezzo, Italy
*
Epilepsy Svc (W127B), VAMC Wadsworth, Los Angeles, California, U.S.A. 90073
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Abstract:

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The effectiveness of long term EEG monitoring in the localization of the epileptic focus was studied in 37 patients with temporal lobe epilepsy comprising 190 recorded seizures, in 19 frontal lobe epileptic patients with 172 recorded seizures and in 12 additional patients which were classified as fronto-temporal. In the temporal lobe group, 49/190 seizures began focally (26%) and 20/190 seizures exhibited a regional onset (10%). In the frontal lobe group, only 21 out of 172 seizures (12%) had a focal ictal onset. 41/172 seizures began regionally (24%). In the fronto-temporal group, 31/55 seizures disclosed a focal EEG onset (57%). This study demonstrates that there is a two-fold increase in seizures beginning focally in the temporal lobe epilepsy group versus the frontal lobe group.

Type
Research Article
Information
Canadian Journal of Neurological Sciences , Volume 18 , Issue S4 , November 1991 , pp. 649 - 662
Copyright
Copyright © Canadian Neurological Sciences Federation 1991

References

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