Foci of increased excitability were created in acute experiments on rats by means of weak strychnine solutions working at independent regimens. The hyperactive excitability focus induced by means of concentrated strychnine solutions played the role of a determinant structure. The importance of the latter is in the fact that it determines the activity character of other epileptogenic foci, enhances their convulsive activity, unites them into a single functional complex and determines the behaviour of the complex as a whole. This complex can be destroyed by depression of the determinant focus activity. Switching off any dependent foci included into this complex fails to destroy that latter. Results of the investigations confirmed on the new model the general concept of the role played by the determinant structures in the brain activity.
Modeling of determinant and dependent foci of epileptic activity in the rat cerebral cortex
Abstract
Foci of increased excitability were created in acute experiments on rats by means of weak strychnine solutions working at independent regimens. The hyperactive excitability focus induced by means of concentrated strychnine solutions played the role of a determinant structure. The importance of the latter is in the fact that it determines the activity character of other epileptogenic foci, enhances their convulsive activity, unites them into a single functional complex and determines the behaviour of the complex as a whole. This complex can be destroyed by depression of the determinant focus activity. Switching off any dependent foci included into this complex fails to destroy that latter. Results of the investigations confirmed on the new model the general concept of the role played by the determinant structures in the brain activity.Preview Only. This article cannot be rented because we do not currently have permission from the publisher.
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Modeling of determinant and dependent foci of epileptic activity in the rat cerebral cortex
Makul'kin, R. F.; Shandra, A. A.; Lobasiuk, B. a
Biulleten' eksperimental'noĭ biologii i meditsiny
MEDLINE Abstracts – Mar 1, 1979
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