Vasyl’ M. Moroz

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Movement-triggered electrical stimulation of the head of the caudate nucleus (Cd) in rats impairs lateralized reaching for food with the contralateral forepaw. In an attempt to analyze the nature of this effect, unit activity changes elicited by the reaching movement, electrical stimulation of Cd and movement-triggered Cd stimulation were recorded in(More)
In the so-called "handedness" experiments rats learn to retrieve food pellets from a narrow tubular feeder preferentially with the left or right forepaw. Frame-by-frame analysis of videotape recordings showed that the stereotype movement consists of a fast forepaw extension (54 msec), followed by isolated finger flexion (46 msec) overlapping later with slow(More)
Pathogenesis of cardiac arrhythmia was determined by EEC changes after ATP-induced complete atrioventricular block. The re-entry mechanism underlays extrasystoles with equal coupling intervals with complexes of ventricular substitution rhythms, which transformed into paroxysmal tachycardia with equal R—R intervals, ventricular flutter, and ventricular(More)
The roles of the lateral hypothalamus, basolateral nucleus of the amygdalar complex, the second field of the frontal cortex, and ventromedial thalamic nucleus in organization of the fast ballistic food-procuring movements were studied in albino rats. Sequences of uni- and bilateral destruction of the brain structures were assessed by photorecording.(More)
The influence of electrolytic destruction of the basolateral nucleus of amygdala (BLA) on rapid food-getting movements was studied in albino rats. After one side destruction of the BLA, contralateral to the working forelimb it was found that the number of movements and their frequency decreased with an increase of their duration. After two side destruction(More)
The distribution of c-fos expression as a marker of neuronal activation and NADPH-diaphorase reactivity were examined in the cervical spinal cord, limbic structures and hypothalamus in anaesthetized rats after fatigue induced by intermittent high-rate (100 s(-1)) electrical stimulation of the dorsal neck muscles (mm. trapezius and splenius). In comparison(More)
We have studied the characteristics of rapid ballistic food-procuring movements in nonpedigree albino rats and have established that after ablation of the second area of the frontal cortex contralaterally to the preferred extremity the number of attempts increased, the duration of the movements decreased, and the phase structure of the movements was(More)
A prominent Ukrainian neurophysiologist, a teacher, and a first-rate organizer in the field of higher medical education, Academician of the National Academy of Medical Sciences, Professor Vasyl' M. Moroz turned 70 on February 2, 2012. His scientific works were devoted to investigation of the role of cerebral structures in the formation of central mechanisms(More)