G A Grigor'ian

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In this paper we have attempted to relate and explain the activity of the brain different integrative levels, which ends up with occurrence of a goal-directed behaviour and reinforcement. Two main mechanisms of responding to subjects and events of external environment, as rapid executive reactions and slow motivational-emotional states, have been marked(More)
  • G A Grigor'ian
  • Zhurnal vyssheĭ nervnoĭ deiatelnosti imeni I P…
  • 2012
A review. Current models of aggressive behavior in animals are described. They include aggression due to social isolation; territorial aggression in pair "intruder-resident"; aggression elicited by direct electrical stimulation of the brain; maternal aggression; learned aggression and genetic models. The models are analyzed comparatively and their(More)
  • G A Grigor'ian
  • Zhurnal vyssheĭ nervnoĭ deiatelnosti imeni I P…
  • 2004
In this paper some new methods for studying of general cognitive ability, g, and their experimental testing on mice are proposed. Instead of techniques based on learning processes with application of many trials and gradual elaboration of a habit, the proposed methods allow to assess behaviour by using only one or a few trials and to compare such behaviour(More)
Different types of individual behavior are described in terms of under- or overestimation of reinforcement characteristics by the brain under conditions of uncertainty of reinforcement presentation. The following important biological characteristics of a subject are discussed, such as anxiety, fear, neuroticism, impulsiveness, self-control and psychoticism(More)
In this paper the problem of "impulsive" and "self-control" behaviour in animals and the experimental models for their assessment are discussed. It is pointed out that a widely accepted model for assessment of impulsive behaviour in animals predominantly measures their ongoing properties of impulsivity/self-control independently on belonging them to the(More)
In experiments on 6 dogs it has been shown that in the EPs led from the hippocampus in response to electrostimulation of limbic structures and from the latters at the hippocampus stimulation, initial negativity, after positivity and late negative wave are the most stable components. At transition from one functional state to another two latter waves are(More)
In this paper a structure of a microdialytic cannula inserted into brain areas just before a microdialysis is described. The cannula used allowed to find out a correspondence of behavioral and biochemical changes in C57BL/6 mice at various time intervals after a single dose administration (20 mg/kg) of the neurotoxin,(More)