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Changes in behavioural indicators in a situation of impossibility in realization of individual experience element

DOI 10.18127/j19998554-201810-06


Y.R. Chistova – Post-graduate Student, State Academic Humanitarian University (Moscow)
N.P. Ivlieva – Post-graduate Student, State Academic Humanitarian University(Moscow)
A.G. Gorkin – Ph.D., Senior Researcher Scientist, Institute of psychology RAS (Moscow)

To study the situation of impossibility of realization in the external plan of the existing element of experience – the system of instrumental behavioral act, the experimental conditions were simulated: removal of the pedal from the experimental cage («prohibition»), on which the adult Long-Evans rats were trained to press for food reward, and switching off the pedal efficiency («loss of effectiveness»). The purpose of the study is to study possible changes in the structure of individual experience related to the «prohibition», to consider the nature of these changes, whether the «experience of impossibility of performance» is recorded, and how: by modifying the old experience and/or forming a new one. The experiments were carried out in a special cage equipped with two pedals and two feeders in different corners of the cage. The animals were trained in instrumental food-acquisition behavior (IFA) on one side of the cage, the other side of the cage was closed. Chronic registration of neural activity, registration of behavioral marks and video recording of animal behavior were carried out.The changes in the ratio of the number of performed acts of the IFA and other forms of behavior and the duration of the realization of these acts. The frequency and duration of grooming acts were calculated as one of the behavioral stress markers. It is found that compared with the definitive behavior, in situations of «prohibition» and «loss of effectiveness» grooming frequency increases significantly (p < 0.05), and significantly increases the average and total duration of grooming acts (p < 0.05). Such changes in behavior can be interpreted as an indicator of misalignment and further adaptation. The rate of acts of preliminary research behavior (struts) is also significantly less in sessions of definitive behavior than in sessions of «loss of effectiveness» and «prohibition» (p < 0.05). The frequency of struts has increased significantly in situations of «prohibition» and «loss of performance» (p < 0.05), the average time of implementation of acts has not changed in the situation of «prohibition», but significantly increases with «loss of performance» (p < 0.05).
In definitive food-acquisition behavior we discovered neurons, specialized relative to the approach to the feeder and relative sequence «approach to the pedal and being in the corner of the pedal». In the situation of «prohibition» they reduced the frequency of activations in acts with respect to which they are specialized in comparison with the definitive behavior
(p < 0.05). Thus, it was found that in the situation of» prohibition «and in the situation of» loss of effectiveness», the behavior of the individual and the activity of specialized neurons change in a similar way.
The work is supported by RFBR grant 17-06-00909.


Aleksandrov Yu.I., Gorkin A.G., Sozinov A.A., Svarnik O.E., Kuzina E.A., Gavrilov V.V. Konsolidaciya i rekonsolida-ciya pamyati: psihofiziologicheskij analiz // Voprosy psihologii. 2015. № 3. S. 133-144.

June 24, 2020
May 29, 2020

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