A V Stavrovskaia

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The purpose of the research was to reveal the features of neurotensin influence on behavior of rats with damages of 5-HT structures of substantia nigra. Changes of recall of passive avoidance conditioned reactions, and also painful stimulation aftereffects on locomotor activity of rats in "open field" were studied. It was shown that neurotoxin 5,7-DOT(More)
The purpose of the study was to reveal the features of the influence of neurotensin injected into the nucleus accumbens on behaviour of rats after systemic administration of reserpine in the dose of 2 mg/kg. Reprodution of passive avoidance conditioned reactions, painful stimulation aftereffects on locomotor activity in the "open field", and behavior in the(More)
Behavioral effects of neurotensin administration into the nucleus accumbens were studied in rats with neurotoxic lesions of serotoninergic structures of the dorsal raphe nucleus or periaqueductal grey matter. Changes in recall of passive avoidance conditioned reactions and aftereffects of painful stimulation in the locomotor activity were studied in the(More)
The purpose of the research was to reveal the features of neurotensin (administered in substantia nigra or dorsal raphe nucleus) effect on recall of passive avoidance reactions in rats. It was shown that the effect of neurotensin injected into the substantia nigra was characterized by a sharp reduction of passive avoidance reactions. On the contrary,(More)
It was shown that the immobilization of animals has led to reducing of vertical and horizontal locomotor activity in the "open field" and decreasing of number of conditioned food-procuring reactions into T-maze. The damages of serotoninergic neurons produced via local injections of selective neurotoxin 5, 7-dihydroxytriptamine into dorsal raphe nucleus(More)
Comparative analysis of effects of neurotensin microinjections into caudate nucleus and substantia nigra on thirst-motivated motor conditioned reactions in rats, was performed. The microinjections facilitated extinction of conditioned reactions in response to negative stimuli and did not affect realization of responses to positive conditioned signals.(More)
It was shown that intracerebral injections of D2 dopamine receptor agonist quinpirol after systemic administration of D2 antagonist sulpiride inhibited both locomotor and food-procuring activity in rats. It was concluded that this effect is connected with involvement of the negative feedback mechanisms of dopaminergic neurons. The involvement of this(More)
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