A.V. Klimenko – assistant, Department of common surgery, Moscow State University of Medicine  and Dentistry n.a. I.A. Evdokimov E-mail: solidcid@mail.ru S.S. Pertsov –

Corresponding Member of RAS, D.Sc. (Med.), Professor, Head of the Department of Normal Physiology  and Medical Physics, Moscow State University of Medicine and Dentistry n.a. I.A. Evdokimov; 

Deputy Director for Science, Head of the Laboratory of System Mechanisms for Emotional Stress,  P.K. Anokhin Research Institute of Normal Physiology (Moscow) E-mail: s.pertsov@mail.ru

I.Yu. Yakovenko – 

D.Sc. (Med.), Professor, Head of the Department of Common Surgery, Moscow State University  of Medicine and Dentistry n.a. I.A. Evdokimov E-mail: yakovenko8465@yandex.ru

There is only some information about the relationship between indices of individual-and-typological characteristics of a person, the result of goal-directed behavior and its physiological penalty in medical practice. Most of the observations in the study of goal-directed behavior are carried out on experimental models with a single registration of the physiological parameters of a human and the idices of the result of goal-directed activity. 

The goal was to study the physiological characteristics of goal-directed activity in the dynamics of endosurgical training in people with different levels of anxiety.

The result of goal-directed behavior on an endotrainer, as well as the dynamics of parameters for the heart rate variability (HRV) and electromyography (EMG) were studied in people with various levels of situational and personal anxiety. Despite the better absolute indices of goal-directed behavior for subjects with low situational anxiety under basal conditions (as compared to highanxiety volunteers), between-group differences in study parameters were not revealed by the end of observations. The result of training activity over all period of investigations did not depend on the personal anxiety level. Under basal conditions, the total area of an EMG wave curve was smaller in people with low situational anxiety. However, by the end of observations this parameter was smaller in subjects with a low level of personal anxiety. During goal-directed activity the LF range power of HRV was shown to increase in people with a high level of situational anxiety, but decreased in individuals with low situational anxiety. After training the LF/HF ratio increased in subjects with high personal and situational anxiety, decreased in individuals with low situational anxiety, but remained practically unchanged in people with low personal anxiety. Therefore, the success of endosurgical training does not depend on the level of human anxiety. The physiological penalty of goal-directed behavior on the model of endosurgical training is greater in people with high anxiety than in low-anxiety subjects.

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