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A STUDY ON EPILEPSY WITH "KINDLED" CAT PREPARATION: CORRELATION BETWEEN SEPTAL SEIZURE DEVELOPMENT AND PSYCHOMOTOR EPILEPSY Sato, M. 1 , Onishi, T. 1 , Nakashima, T. 1 , Otsuki, S. 1 1Department of Neuropsychiatry, Faculty of Medicine, Okayama University pp.667-679
Published Date 1976/7/1
DOI https://doi.org/10.11477/mf.1406203909
  • Abstract
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The seizure development was investigated in seven septal kindled cats for examining a participation of septal area in psychomotor epilepsy. Daily elec-trical stimulation (mean: 33.5 days) of septal area could lead to the "kindled" generalized convulsion.Six stages of behavioral seizure development were distinguished: 1) attention reaction, 2) the above and immobility, 3) the above and autonomic mani-festation, 4) the above and facial twitching, head nodding, 5) the above and tonic extension of con-tralateral forepaw, 6) the above and generalized clonic convulsions.

Self-sustained after-discharge and independent interictal spike discharge appeared in the hippo-campus in stage 2 or 3, in the amygdala and the globus pallidus in stage 3 or 4, and also in the ventromedial hypothalamic nucleus in stage 5. Positive transference phenomenon was confirmed inbilateral hippocampus, amygdala and globus pallidus. These findings show the progressive dissemination of secondary epileptogeneses in these secondary brain structures during the septal seizure develop-ment. Electrographic and behavioral seizure development mentioned above were completely identical to those in the hippocampal seizure that we have reported previously. It is concluded that psychomotor epilepsies may not only be triggered by the hippocampal and amygdaloid foci but by the septum and its related structuresfoei.


Copyright © 1976, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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