[A neurophysiological model of the "paroxysmal brain" (cerebral mechanisms in the genesis of paroxysmal states)].
This paper attempts to elucidate whether common (nonspecific) brain mechanisms are responsible for seizures of epileptic and nonepileptic origin. A comparative study of the following 4 paroxysmal disorders--partial epileptic seizures, paroxysmal dystonia, pseudoseizures and panic attacks was performed. Spontaneous (EEG-mapping) and evoked (contingent negative variation-CNV) bioelectrical activity was measures in all patients several times during interictal periods and after 24-hour sleep deprivation. The main common neurophysiological features of these types of paroxysmal disorders were the increased total power of spontaneous electrical activity, an asymmetric increase of theta-EEC power in the right hemisphere, an increase in total amplitude of CNV. Readiness of the brain for the development of the paroxysms was characterized by dynamic increases of the above parameters of spontaneous and evoked bioelectrical activity.
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Vorob'eva
D001921:Brain / Q000503:physiopathology*; D003265:Contingent Negative Variation; D004569:Electroencephalography; D004828:Epilepsies, Partial / Q000503:physiopathology*; D006801:Humans; D016584:Panic Disorder / Q000503:physiopathology*; D012640:Seizures / Q000503:physiopathology*; D012892:Sleep Deprivation; D013826:Theta Rhythm; D013997:Time Factors
Neĭrofiziologicheskaia model' "paroksizmal'nogo mozga" (tserebral'nye mekhanizmy v geneze paroksizmal'nykh sostoianiĭ).