Z F Zvereva

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The studies revealed that the level of interhemispheric bioelectric asymmetry, which reflects the functional relations between the hemispheres, is one of the major indices of the functional interaction of the two hemispheres. There were changes in interhemispheric asymmetry in relation to the tumor damage to the right or left hemisphere. The structural(More)
The effect of ultrasonic neurosurgical instruments on the functional state of the brain and its individual structures was studied to establish the most adequate and the least traumatic method of brain structures extirpation. Cortical zones were destroyed by ultrasound, thermocoagulated or extirpated. Parallel recordings of evoked potentials to single and(More)
The gears of the conjugate activity of hemispheres in the presence of damage in one were studied before and after removal of a tumor by using an interhemispheric asymmetry index. On left hemispheric exposure, the index decreased in the anterior brain regions having mainly morphofunctional connections with the activating structures of the stem. The posterior(More)
The authors studied the functional condition of the brain during the restorative period after operative damage to one of the hemispheres. In the early stages of the restorative period in neurosurgical patients with a slow rhythm afferent stimuli (rhythmic light stimulation) induced the appearance of a marked alpha-rhythm, which is evidence of restoration of(More)
  • Z F Zvereva
  • 1995
The interhemispheric organization of brain electrical processes was shown to depend on the lateralization of an injury. The EEG asymmetry was significant with a tumor being in the right hemisphere as compared with that of healthy subjects. When a tumor was in the left hemisphere, the asymmetry was more considerable than that in healthy persons. An analysis(More)
  • Z F Zvereva
  • 1980
The method of evoked potentials was used in acute experiments on cats anesthetized with chloralose-nembutal to study the participation of the cortical associative areas in the recovery of disturbed functions of the brain after experimental injury to projection (somatosensory and visual) areas of the contralateral hemisphere. It was shown that temporal(More)