Method for assessing information perception

FIELD: medicine.

SUBSTANCE: invention refers to medicine, namely to carrying out psychophysiological studies, e.g. analysing the individual's psychophysiological responses, and can be used in medical purposes, advertising industry, functional diagnostics, education science, psychology, judicial practice and criminal science. Current normal baseline physiological parameters of a person being tested are recorded by means of a polygraph. That is followed by forming a number of independent conceptual blocks of visual information to be presented to the person being tested on a demonstration monitor of an eye motion recording device to assess the subjective significance of the visual information. An eye position, motion, a path of motion and fixation lengths are recorded; zones of preferential passive concentration fixation are recorded. The derived data are analysed to select a primary gaze zone and to determine a gaze length. Visual information elements drawing much attention are determined; when presenting the visual information by means of the eye motion recording device, synchronous measurements of the physiological parameters of the person being tested are taken by using blood pressure contact sensors, photoplethysmographic measurement, galvanic skin response, upper and lower respiration pressure transducers, tremor sensors connected in turn to a sensor unit of a polygraph recording and processing the signals supplied from the sensors. The physiological parameter variations of the person being tested are assessed by comparing an excursion of their current values from the pre-recorded baseline values; the physiological parameter variations of the person being tested specific for perceiving the subjectively significant information and being simultaneous with the primary gaze moments are used to detect the visual information elements having the most emotional impact on the person being tested. Thereafter, the qualitative emotional assessment is ensured by distributing the detected visual information elements according to the pre-set parameters into a sequence with opposite coordinates in the form of verbal antonyms with using a semantic differential method.

EFFECT: method enables providing more accurate psychophysiological studies related to assessing the information perception, assessing the exposure of the visual information and its significance for the individual by recording the physiological parameters and using the semantic differential method.

 

The invention relates to medicine, namely to conducting psychophysiological research, for example, analysis of psychophysiological reactions, and can be used for medical purposes, in the advertising business, functional diagnostics, pedagogy, psychology, jurisprudence and criminology.

A known system for evaluating the impact of visual information on the person (RF patent for useful model №81592), which is as a way of assessing the impact of visual information: consumers advertising information learned from the media about the conditions of the implementation of the survey, identified in the advertising information character sets and pass them through user terminals (mobile phones or personal computers) via communication channels specified by the organizers of the phone number or email address. In module message handling is the definition of a phone number or email address of the user who sent the message, that is, its individualization, and storing these data. In the module count messages, it calculates the number of messages received separately from each customer, for each location means of visual information for each image. However, this method is complex in execution, requires the residual of a large number of the equipment depends on the willingness and interest in the call or sending a large number of people, due to the reduced reliability of the information obtained in this way.

There is a method of assessing the perception of information using semantic differential (for example, Shmelev A.G. Introduction to experimental psychosemantic. M.: Moscow state University press, 1983). However, this method does not allow a more complete and accurate assessment, in addition, it is very time-consuming.

There is a method of determining the importance of the question for a person to be scanned on a polygraph (RF patent No. 2455932), including the measurement of changes at least one parameter of the patient in response to significant and insignificant issues and then making judgments about the significance of the issue, with significant and insignificant questions series, commonly used to measure at least one parameter of the muscle contraction of the flexor last phalanx of the thumb, at least one of the patient's hand, the measurement of the specified parameter contraction of the muscles flexor of the phalanges of the thumb begin to register after threefold repetition of a meaningful question, and about the significance of the issue is judged by the change in the measured parameter by more than 11% from the previously defined background values. However, this method does not give a complete picture of the degree of importance of information for a person.

All of the above known methods exclusively labor is MKI, therefore rarely applies even qualified psychologists possessing these techniques. In addition, their effective use is only possible with qualified professionals. While conducting psychodiagnostic research is very subjective, because there is not enough formalized interpretation of survey results.

The task of the invention is to improve the accuracy of conducting psychophysiological research related to identifying evaluation of perception, evaluation of the impact of visual information and its significance for man, to facilitate the conduct of research.

This problem is solved as follows.

The evaluation method of information perception is that pre-shoot current normal baseline physiological parameters tested with a polygraph, then form several independent semantic units of visual information simultaneously place their subject in the demo screen device registration of eye movements to assess the subjective importance of visual information, register the position of the eyes move, the trajectory and duration of fixations recorded area preferred involuntary fixation of attention, and then conduct a gender analysis the obtained data with selection fixation and gaze determination of duration of fixation, define the elements of visual information that attracts the main attention during the presentation of visual information through the device registration of eye movements the subject of a polygraph produce simultaneous measurements of physiological parameters of the body of the subject via the contact sensors blood pressure, photoplethysmogram, galvanic skin response, pneumaticos upper and lower respiratory sensors tremor, connected, in turn, touch block printing, recording and processing the incoming signals from the sensors, assess the changes of physiological parameters of the examinee by comparing the deviation of the current values from the pre-recorded background values, the changes of physiological parameters of the subject, typical the perception of them subjectively relevant information corresponding to the time points fication, defined by the elements of visual information, the perception of which has on the person's greatest emotional impact, and then for their quality emotional evaluation of the subject is asked to distribute the identified elements of visual information according to the specified parameters, characterizing the specified characteristics and quality, in sequential R is d opposite coordinates in the form of verbal antonyms.

Mostly in the way of assessing the perception of the number of independent semantic units chosen in the range from 8 to 10.

Generally simultaneously with the registration of eye movements and simultaneous measurement of physiological parameters of the body of the examinee conduct videotape for subsequent comparative analysis of non-verbal reactions of the test.

Perhaps the way to assess perceptions of information to confirm not accidental occurrence of the reactions to the presented visual information to produce a repeat presentation of the identified elements relevant information not less than three times in a row other information, and to estimate the mean background state of the organism.

Among the devices for conducting psychophysiological research, include, in particular, polygraphs, which are manufactured multivariate analyses in combination with multi-recording the behavior of the test (the video can be used as the basis for compiling a psychological portrait of the tested through an analysis of its behavior), and device registration of eye movements, in which the analysis of the movement of the eyes with selection fixation sight, built "temperature" card and attention. The study of oculomotor Rea the Nations productively used in experimental psychology for more than half a century. Research by setting the registration of eye movements used by ophthalmologists, specialists in marketing evaluation of promotional products, tool developers of new technology. Currently, these devices are increasingly used to determine the optimal modes of training athletes, improve the working conditions for operators of different profile.

While still in research remains quite complicated procedure of data processing. In addition, existing methods of presenting information are still markedly inferior in efficiency and visibility to view information about the direction of gaze.

To date, however, was not known to use the device, the registration of eye movements in conjunction with the polygraph as a means for conducting psychodiagnostic research.

One of the areas of conducting psychodiagnostic research was the study of perception, mainly visual, due to the nature of contemporary reality with the rapidly developing mobile communication, computer technology, requiring a different approach to the assessment of the perception of information.

Perception of visual information, the so-called media, causes changes of psychophysiological parameters institutions the mA of the Respondent. These changes are not random and can be recorded, evaluated and interpreted on the basis of existing psycho-physiological, psychological, and mathematical methods.

In this regard, the task was to identify possible ways and optimal use of the information about the direction of the eye to resolve psycho-diagnostic tasks. For its solution as installation registration of eye movements was used high-frequency tracking eye SMI Hi-Speed 1250. Analysis of the movement of the eyes was performed using the program BeGaze, which was allocated region fication, built the "temperature" card and attention.

The process of this research on the specified device is currently called the eye tracking - tracking eye-tracking eye - the process of determining the coordinates of the gaze point of intersection of the optical axis of the eyeball and the plane of the observed object or the screen on which is presented a visual stimulus. The eye tracker is a device used to determine the orientation of the optical axis of the eyeball in space (i.e. for eye tracking). Astrakeri used in studies of the visual system, psychology, cognitive linguistics and other studies. Built diagrams of the movement of the eyes on the most the PWM circles judge appeal information.

The key features of the method of assessment of perception of information are:

analysis of the orientation of the eye with the simultaneous presentation of multiple visual stimuli;

- psychosemantic certification used visual stimuli;

- iterative simultaneous presentation of stimuli by changing their relative position on the screen.

The method is as follows.

The evaluation method of information perception is that pre-shoot current normal baseline physiological parameters tested with a polygraph. When implementing the method was used polygraph Axicon.

Then form several independent semantic units of visual information for the simultaneous presentation of their subject on the demonstration screen device registration of eye movements. This operation allows you to assess the subjective importance of visual information. On the device registration of eye movements fixed position between the eyes of the test and demonstration screen. The device allows you to record the position of the eyes, moving eyes, the trajectory and duration of fixations. So register area preferred involuntary fixation of attention. Then spend analysis the obtained data with selection fixation and gaze determination of duration of fixation, consequently, the elements of visual information that attracts the focus.

For instrumental control in the process of presenting visual information on the device registration of eye movements of the test simultaneously connect to the polygraph. Thus, use of the polygraph produce simultaneous measurements of physiological parameters of the body of the subject via the contact sensors blood pressure, photoplethysmogram, galvanic skin response, pneumaticos upper and lower respiratory sensors tremor. The sensors are connected with the sensor unit of the polygraph, recording and processing the incoming signals from the sensors. The signals from the contact sensors are received in the sensor unit of the polygraph and processed programmatically polygraph. The result - PolyGram - displayed on the monitor for subsequent evaluation by the operator, performing research.

Next, assess the changes of physiological parameters of the examinee by comparing the deviation of the current values from the pre-recorded background values, and the changes of physiological parameters of the subject, typical perception they subjectively relevant information corresponding to the time points of fixation glance, determine the elements of the s visual information, the perception of which has on the person's greatest emotional impact.

For qualitative emotional evaluation of the identified elements having on the person's greatest emotional impact, the subject is asked to distribute the identified elements of visual information according to the specified parameters, characterizing the specified characteristics and quality, the serial number on the opposite coordinates in the form of verbal antonyms.

Mostly in the way of assessing the perception of the number of independent semantic units chosen in the range from 8 to 10.

Generally simultaneously with the registration of eye movements and simultaneous measurement of physiological parameters of the body of the examinee conduct videotape for subsequent comparative analysis of non-verbal reactions of the test.

As a result of experiments, it was found that confirmation is not accidental occurrence of the reactions to the presented visual information necessary to make a repeat presentation of the identified elements relevant information not less than three times in a row other information, and to estimate the mean background state of the organism.

Studies have been conducted. In research took part 127 subjects, which included faculty teacher of the cue structure (23), the full-time students (75 people), evening (28 people), and correspondence (11) forms of training the Sholokhov Moscow state University. M.A. Sholokhov.

Experiments with selected information blocks was carried out by alternately bringing to the screen an eye tracker first single stimulus, then simultaneously the pairs of stimuli, then four, six, and finally eight stimuli. Simultaneous exposure of two or more stimuli on the display is equal to the number of images that cause the majority of subjects had a positive and negative emotions.

Analysis of the group "temperature" card and the attention received as a result of total blending individual sessions of all subjects showed that simultaneous exposure of several visual stimuli glance subjects involuntarily longer time fixed for positively loaded images. This gives the opportunity to share subjectively accept and reject the stimulus to determine that the Respondent is associated with negative and with positive emotions.

To determine the optimal testing modes with exposure time 15 seconds step was filed six, eight, twelve, fourteen, eighteen, twenty incentives.

Then the number of stimuli was varied in the reverse order: eighteen, sixteen, and so on. The result has been fitted is but the dependence of the detection efficiency of the direction of gaze of the number of simultaneously presented stimuli is non-linear in nature. With increasing number of stimuli from one to eight to ten is able to clearly capture the subjective preferences of the subjects. Further increasing the number of stimuli leads to a continuous decrease in the efficiency of individual preferences.

When determining the optimal duration of continuous operation of the test was used several cycles of increasing the number of simultaneously predavshihsya incentives. In addition, we used different proportions of positive and negative incentives (equal to the number of variants, with a predominance of negative incentives, options with a predominance of positive incentives, negative, positive), and their various combinations.

Also found that the time for one experimental session should not exceed 7-10 minutes. When working with the device of the specified type more than a long time of continuous exposure to a visual stimulus causes fatigue in subjects, often provokes unwanted tearing.

Simultaneously with the presentation of visual information on the eye tracker was performed instrumental psychophysiological studies using the polygraph. Thus p is osutils simultaneous registration of respiration parameters, cardiovascular activity, the electrical resistance of the skin and, if necessary and possible, other physiological parameters with the subsequent presentation of the results of registration of these parameters in analog or digital form, designed to assess the validity of the reported information.

Requirements of the subject information (media)as a stimulus, causing him changing physiological parameters of the body associated with the implementation of the human psyche is one of its main functions is a reflection of the influences of the environment.

In the perception and evaluation of the impact of the surrounding reality, the body adapts to the specified effect by changing their psycho-physiological parameters. This changes the pressure, pulse, respiration, perspiration, electrical skin resistance, etc. are Installed on the test sensors will record these changes. Changing each of these parameters are recorded by the polygraph through contact sensors, namely, upper and lower respiratory sensor, blood pressure sensor, galvanic skin response, and other sensors. Sensor unit polygraph converts the sensor signals from analog to digital and passes into the sensor unit of the polygraph or in whom Luther for further processing and display. Processing the received personal computer the signals is performed by special software.

The processing results can be displayed on the monitor screen in the form of charts.

Further, in respect of selected incentives that attracted most attention and highest subjective significance was carried out using the method of semantic differential emotional quality assessment.

Semantic differential method of constructing an individual or group of semantic spaces. The coordinates of the object in the semantic space are its evaluation on a number of bipolar graduated (three-, five-, seven-point) rating scales, the opposite pole of which is set by using verbal antonyms. These scales were selected from a variety of test scales methods of factor analysis.

By using semantic differential it is possible to install a qualitative assessment (degree and emotional direction) test revealed significant information elements. For this subject was presented with the identified significant information elements to sort by the given parameters, characterizing the specified characteristics and quality, the serial number on the opposite coordinates in the form of verbal antonyms.

The evaluation method of seeing the party information namely, that pre-shoot current normal baseline physiological parameters tested with a polygraph, then form several independent semantic units of visual information simultaneously place their subject in the demo screen device registration of eye movements to assess the subjective importance of visual information, register the position of the eyes move, the trajectory and duration of fixations recorded area preferred involuntary fixation of attention, and then analyze the received data with selection fixation and gaze determination of duration of fixation, to identify elements of visual information that attracts the main attention during the presentation of visual information through the device registration of eye movements the subject of a polygraph produce simultaneous measurements of physiological parameters of the body of the subject via the contact sensors blood pressure, photoplethysmogram, galvanic skin response, pneumaticos upper and lower respiratory sensors tremor, connected, in turn, touch block printing, recording and processing the incoming signals from sensors, perform assessment is the change of physiological parameters of the examinee by comparing the deviation of the current values from the pre-recorded background values, changes of physiological parameters of the subject, typical perception they subjectively relevant information corresponding to the time points fication, defined by the elements of visual information, the perception of which has on the person's greatest emotional impact, and then for their quality emotional evaluation of the subject allocates the identified elements of visual information according to the specified parameters in the serial number with the opposite coordinates in the form of verbal antonyms, using the method of semantic differential.



 

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6 tbl, 3 ex

FIELD: medicine.

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3 tbl, 2 ex

FIELD: physics.

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9 cl, 6 tbl, 3 ex

FIELD: medicine.

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2 cl

FIELD: medicine.

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4 ex

FIELD: medicine.

SUBSTANCE: current normal baseline physiological parameters of a person being tested are recorded by means of a polygraph. Visual information associated with human personalities, including a set of stimuli presented to the person being tested is pre-selected. To assess an individual semantic space of the person being tested, the latter is suggested to select the significant visual information from the set of stimuli to be assessed and distributed among the stimuli pre-selected by means of psychosemantic and factor analysis. A database for the following ranging of the selected stimuli is formed from the selected stimuli distributed by a sematic differential, and also extra control and neutral stimuli. The person being tested is presented with 6-8 stimuli together with the control and neutral stimuli on a demonstration monitor of an eye motion recording device to assess the subjective significance of the selected stimuli. An eye position, motion, a path of motion and fixation length is recorded; zones of preferential passive concentration fixation are recorded. The derived data are analysed to select a primary gaze zone and to determine a gaze length. The stimuli drawing much attention are determined; when presenting the selected stimuli on the screen of the eye motion recording device, synchronous measurements of the physiological parameters of the person being tested are taken by using the polygraph. The physiological parameter variations of the person being tested are assessed by excursion of their current values from the pre-recorded baseline values. The physiological parameter variations of the person being tested specific for perceiving the subjectively significant information and being simultaneous with the primary gaze moments; the stimuli having the most emotional impact on the person being tested are determined.

EFFECT: method enables determining the occupational guidance and providing the accuracy of the obtained data by the psychophysiological study.

FIELD: sports.

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EFFECT: method enables to carry out the selection of athletes objectively and accurately for doing billiard sport by determining the sensorimotor qualities.

5 tbl, 2 ex

FIELD: medicine.

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EFFECT: method enables provides the more effective psychotherapeutic preparation of the women at the late pregnancy by normalising the high anxiety level and reducing the subjective feeling of the labour pain, that in turn leads to reducing the drug-induced load accompanying the labour, and reduces a probability of obstetric and perinatal complications in birth and after-birth periods.

FIELD: medicine.

SUBSTANCE: method involves forming signals as tests requiring solution. The tests are shown with frequency changed proportionally to the frequency they are solved. The number of tests is set to be the same in the cases of recovered and tired state. General amount of time spent for finding solution for given number of tests and the number of tests having right solutions are determined in each state. Mental fatigue degree is evaluated from relative change of mean time needed for finding the right test solution using a relationship like (Tm.r- Tm.t)100%/Tm.t, where Tm.t = Tsum.t/Kr.t, Tm.r = Tsum.r/Kr.r, Tm.t is the time spent for finding the right answer in tired state, Tm.r is the time spent for finding the right answer in recovery state, Tsum.t is the total time spent to solve given number of tests in tired state, Tsum.r is the total time spent to solve given number of tests in recovered state, Kr.t is the number of right answers to the tests in tired state, Kr.r is the number of right answers to the tests in recovered state.

EFFECT: reliable estimation of fatigue degree.

FIELD: medicine.

SUBSTANCE: method involves determining prognostic parameter values like those of lung ventilation function after spoken rational and irrational test texts. Three values are calculated from the obtained data using linear classification functions. They are compared and functional cerebral asymmetry pattern is to be predicted from their values.

EFFECT: high accuracy and reliability of prognosis.

FIELD: medicine, neurology.

SUBSTANCE: by the table of quantitative evaluation of affected praxysis and gnosis as the value of cerebral corical disorders and degree of dementia manifestation level one should calculate in points these disorders. Moreover, if total value is above 24 points one should diagnose no disorders, if 20-23 points - light disorders, if 10-19 points - moderate disorders, and if below 9 points - pronounced functional disorders are stated upon.

EFFECT: higher accuracy of diagnostics.

1 ex, 1 tbl

FIELD: medicine, pediatrics.

SUBSTANCE: the present method deals with predicting deviations in psychic disorders in small children to detect initial manifestations of psychic disorders in children aged 1 mo - 3 yr. A child undergoes diagnostic tests to study 5 spheres of psychic activity: sensorics including the studying of vision, hearing, reflector tactile sensitivity and individual tactile sensitivity; emotions; the sphere of gnosis including the studying of attention, expressive and impressive speech, peculiarities of one's thinking; in behavioral sphere one should evaluate biological behavior that includes alimentary behavior and one's skills to be neat, and, also, social behavior that includes the development of "mother-child" system and communication with alien people, moreover, for every age period there are 20 test questions and each task is evaluated by 5 points, then one should determine the coefficient of psychic development (CPD) by the following formula: CPD = Σ (+ n), where Σ (+ n) - the sum of points for all fulfilled age tasks and at CPD being equal to 90 - 110 points one should detect normal psychic development, at CPD being equal to 80 - 89 and 111 points and higher the risk for the development of nervous-psychic pathology is detected and at CPD being equal to 79 points and less one should state nervous-psychic development as affected.

EFFECT: higher quality of diagnostics.

4 ex

FIELD: medicine, medicinal psychology.

SUBSTANCE: one should test a patient by seven scales: frequency, duration, intensity, sensor perception of pain, emotional attitude towards pain, neurotization level, adaptation capacity level to evaluate the results obtained by the scales mentioned from 0 to 6 points. Moreover, the scales for sensor perception and emotional attitude, the levels of neurotization and adaptation capacity should be evaluated in accordance to the Tables given in description. Additionally, one should, compare the degree of psychogenic constituent of pain according to chromatic choice made by a patient depending upon, at least, three choices of pain intensity: "pain during testing", "no pain", "severe pain" in accordance to the Tables given in description. Then, according to the results of testing one should evaluate the degree of patient's pain feelings both quantitatively and qualitatively. Moreover, by the scale of frequency the appearance of pain should be evaluated from "pain appeared once during several days or rarely" to "constant pain". By the scale of duration pain should be evaluated from "momentary pain" to "constant pain". By the scale of intensity the pain should be evaluated from "very weak pain" to "unbearable pain". By the scale of neurotization level one should take into account basic behavioral factors, such as anxiety, emotional lability, aggression, depression, psychogenia, hypochondria. The present innovation enables to increase significance in evaluating pain achieved due to broadened verbal description of patient's pain feelings.

EFFECT: higher accuracy of evaluation.

5 cl, 4 dwg, 2 ex, 17 tbl

FIELD: medicine, psychotherapy.

SUBSTANCE: the method deals with correcting neurological and psychopathological disorders with anxiety-phobic symptomatics due to individual trainings. The method includes evaluation of body reaction to stimulating signals, seances of individual training performed due to the impact of two quasiantipodal stimulating signals of similar physical modality applied in time of sporadic character, and as a signal one should present biological feedback for the altered value of physiological parameter adequately reflecting body reaction to the impact of stimulating signal. At the first stage of training it is necessary to achieve body adaptation to the impact of quasiantipodal stimulating signals, at the second stage it is necessary to obtain conditional reflex for one out of stimulating signals, for this purpose one should accompany this stimulating signal with discomfort impact, during the third stage, finally, due to volitional efforts one should suppress body reaction to stimulating signal. The devise suggested contains successively connected a transformer of physiological parameter into electric signal and a bioamplifier, an analysis and control block with a connected block to present the signals of biological feedback, a block for presenting discomfort impact, an indication block and that of forming and presenting quasiantipodal stimulating signals. The innovation enables to have skills to control one's emotions, decrease sensitivity threshold to environmental impacts and learn to how behave during stress situations.

EFFECT: higher efficiency of training.

15 cl, 8 dwg

FIELD: medicine.

SUBSTANCE: method involves measuring patient weight, recording age and sex of the patient. The patient is positioned in front of computer display unit. The data are inputted into the computer comprising software containing a program for estimating organism organs and systems condition. The following organs are detected. Lung, spleen, heart, kidneys, liver are proved for having deviations from norm with negative sign towards hypofunction or with positive sign towards hyperfunction. The data are displayed with the program on the screen as a table with reference and current values being shown in relative units with plus or minus sign. Canal states are estimated from detected organs being under maximum stress on the basis of infogram: lung canal P, spleen - canal RP, heart - canal C, kidneys - canal R, liver - canal F. When estimating organ state with deviation having plus sign, that means hyperfunction, canal state is estimated as having energy excess. When organ state deviation has plus sign, that means hyperfunction, canal state is estimated as having lack of energy. Eye diseases are diagnosed from state of organs and canals of P, RP, C, R and F. Hyperfunction in organ and excess in canal being available, initial ophthalmic disease stage is diagnosed. Hypofunction in organ and deficit in canal being available, chronic ophthalmic disease stage is diagnosed.

EFFECT: wide range of functional applications.

3 cl, 7 tbl

FIELD: medicine.

SUBSTANCE: method involves carrying out situation, planning, self-control and correction analysis. Volitional effort is included into functional self-organization process structure components. Functional self-organization process structure components characterize the following individual human specific characteristics: 1) goal-setting as taking and retaining aims; 2) situation analysis as revealing and analyzing circumstances essential from the point of view of achieving the set goal; 3) planning as scheduling private activity; 4) volitional effort as changing private activity sense; 5) self-control as controlling and estimating private actions; 6) correction as adjusting private goals, situation analysis, plan of actions, private activity sense, estimation criteria and self-control forms. Human self-organization process structure diagnosis is set after relaxation training aimed at relieving emotional effort and overfatigue. The relaxation training is exercised in coachman position with calming musical accompaniment and comprises the following stages: 1) respiratory exercises (inspiration duration is equal to expiration one, breath is hold between the inspiration and expiration for a time twice as short as inspiration time) 4 min long; 2) relaxation exercises (invoking heaviness and warmth sensation) of head, arms, legs and body -8 min long; 3) rest in maximum relaxation state - 4 min long.

EFFECT: high accuracy of diagnosis.

3 cl, 1 tbl

FIELD: medicine.

SUBSTANCE: method involves showing sequence of two luminous pulses of 10 ms duration separated by 150 ms long pause. The pulses are repeated in constant 1.5 s long interval. Pause duration between two luminous pulses is reduced at the first measurement stage at constant speed of 20ms/s until a testee fixes fusion of two luminous pulses into single one in subjective assessment mode. Pause duration between two luminous pulses is increased at the second measurement stage with given constant step of 0.4 ms until the testee identifies the moment of subjective perception of two luminous pulses separation. Pause duration is reduced in discrete mode with given constant 0.1 ms long step at the third measurement stage until the testee identifies the moment of subjective perception of two luminous pulses fusion into single one. Human vision system persistence time is determined to be equal to pause duration between two luminous pulses when subjective fusion into single pulse takes place at the third measurement stage.

EFFECT: high accuracy in determining human vision system persistence time.

3 dwg

FIELD: medicine.

SUBSTANCE: method involves asking patient to tell or write down 5-7 novels. Rhetorical structure representations of the novels are built. Rhetorical structure mean depth being greater than 8, branching index being greater than 88 and occurrence of relations like sequence and consequence being less than 8, cognitive source relation being greater than 5, opposition relation being greater than 2 per 100 discourse units, neurotic disorder is to be diagnosed.

EFFECT: high accuracy of the method.

2 dwg, 1 tbl

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