Method for assessing a psychophysiological state of a person
阅读说明：本技术 评估人的心理生理状态的方法 (Method for assessing a psychophysiological state of a person ) 是由 V·A·明金 于 2017-12-25 设计创作，主要内容包括：本发明可以用于在包括生物测定学、心理生理学、机能诊断学和心理学的不同领域中获得关于人的心理生理状态的信息。为此目的,确定以下主要的心理生理特征：能量特征和信息特征,能量特征作为人散发的能量的指示符,信息特征作为信息交换的效率的指示符。实时地确定人的当前心理生理状态,并且另外地评估在监测时段内人的当前心理生理状态的变化模式。在由主要心理生理特征形成的坐标系中执行人的心理生理状态的变化的评估,其中,根据以图形路径形式的矢量特征的方向变化来评估在整个监测时段内人的心理生理状态的变化模式,图形路径包括连续互连的有向线段,所述有向线段表征在监测时段内每次记录的时间区间的主要心理生理特征的方向变化和幅度变化。本方法由于基于监测过程期间人的无意识反应的矢量的方向的变化模式的信息来额外地分析心理生理特征,从而提供了评估人的心理生理状态的方法的功能能力的扩展,并且在心理生理反应矢量的方向变化与确定人的心理生理状态的一组主要生理参数之间建立了相关性。(The invention can be used to obtain information about a person's psychophysiological state in different fields including biometrics, psychophysiology, functional diagnostics and psychology. For this purpose, the following main psychophysiological characteristics are determined: an energy characteristic as an indicator of the energy emitted by the person and an information characteristic as an indicator of the efficiency of the information exchange. The current psychophysiological state of the person is determined in real time and additionally a pattern of change of the current psychophysiological state of the person over the monitoring period is assessed. An assessment of the change of the psychophysiological state of the person is performed in a coordinate system formed by the primary psychophysiological features, wherein the pattern of the change of the psychophysiological state of the person over the monitoring period is assessed from the change of direction of vector features in the form of a graphical path comprising continuously interconnected directed line segments characterizing the change of direction and the change of magnitude of the primary psychophysiological features of the time interval recorded at each time during the monitoring period. The method provides an extension of the functional capabilities of the method of assessing a psychophysiological state of a person, since psychophysiological characteristics are additionally analyzed based on information of a pattern of change of direction of a vector of involuntary reactions of the person during the monitoring process, and a correlation is established between the change of direction of the psychophysiological reaction vector and a set of main physiological parameters determining the psychophysiological state of the person.)
1. A method of assessing a psychophysiological state of a person, comprising: determining psychophysiological characteristics of a group of persons, identifying from said group the dominant psychophysiological characteristics, and determining in real time the current psychophysiological state of the person with mathematical processing of measurement data of the dominant psychophysiological characteristics, characterized in that the method further comprises assessing a pattern of changes of the current psychophysiological state of the person during a monitoring period, wherein characteristics of the physical state are identified as the dominant psychophysiological characteristics, the characteristics of the physical state comprising at least an energy characteristic as an indicator of energy dissipated by the person and an information characteristic as an indicator of efficiency of information exchange, said information characteristic characterizing changes of a level of information exchange within and between physiological systems of the person under the influence of external and internal variable factors, determining a measurement value of the dominant psychophysiological characteristics at each recording time of the monitoring period, assessing changes of the psychophysiological state of the person being performed in a coordinate system formed by the dominant psychophysiological characteristics, wherein the current psychophysiological state of the person at the ith recording time is defined as a point at an intersection of coordinates formed by measurements of the main psychophysiological characteristics at said recording time, a change in the current psychophysiological state of the person within the ith recording time interval of the surveillance session is determined based on a direction of a vector of the directional graphic line segment, the directed graph line segment connects the intersection point of the coordinates of the main psychophysiological characteristics at the initial recording time (i-1) and the intersection point of the coordinates of the ending recording time (i), and assessing a pattern of change in the psychophysiological state of the person over the monitoring period based on a change in direction of the vector features in the form of a graphical path comprising continuously interconnected directed line segments, the directed line segments represent the direction changes and the amplitude changes of the main psychophysiological characteristics in each recording time interval of the monitoring period.
2. The method according to claim 1, wherein a vibration image parameter reflecting an average frequency of human head micro-vibrations is selected as one main psychophysiological characteristic determining an energy characteristic of the subject, and a vibration image parameter reflecting dispersion of the frequency of human head micro-vibrations is selected as another main psychophysiological characteristic determining an information characteristic of a psychophysiological state of the subject, and the vibration image parameter is calculated.
3. The method according to claim 1, characterized in that the change dP of the person's current psychophysiological state is determined from its coordinate change dE of the energy characteristic and the coordinate change dI of the information characteristic, the coordinate change dE of the energy characteristic being determined as dE-Ei-1-EiAnd determining the coordinate change of the information characteristic dI as Ii-Ii-1Wherein:
Ei-1-recording an initial reference coordinate of energy expenditure of an initial state of the person during an i-th recording time interval of the monitoring period;
Ei-recording an end reference coordinate of energy expenditure of a current state of the person during an i-th recording time interval of the monitoring period;
Ii-1-recording an initial reference coordinate of an information feature of an initial state of the person during an i-th recording time interval of the monitoring period;
Ii-an end reference coordinate of the information characteristic of the current state of the person during the i-th recording time interval of the monitoring period.
A method according to claim 3, characterized in that the change dP of the person's current psychophysiological state when presenting the stimulus is determined by the formula dP ═ dI + dE, where dE is the coordinate change of the energy feature and dI is the coordinate change of the information feature.
Technical Field
The present invention relates to the fields of biometrics, psychophysiology, functional diagnostics, psychology, metrology, and can be used to obtain information about psychophysiological, psychosomatic, and physiological characteristics of humans, control emotional states, perform functional diagnostics of humans and animals, and perform psychological and psychophysiological testing and research.
Background
Conventional psychophysiological lie detectors [1] and most medical and functional diagnostic systems [2, 3] of a person's psychophysiological state work on this principle, which allows objective physical methods to measure physiological characteristic values of a person and qualitatively assess certain psychophysiological parameters and the person's state on the basis thereof, but does not allow objective measurement and assessment of the person's current psychophysiological state to be provided, since the physiological parameters known and used for measurement (heart rate (Ч CC), electroencephalogram (Э Э Г), galvanic skin response (К Г P) are not uniquely related to the person's psychophysiological state or emotional state and do not reflect all possible changes in the person's psychophysiological response.
In the prior art [4]Is known in
According to the invention, the study of the recorded psychophysiological responses is performed by measuring the heart rate, and conclusions about the person's psychological state are drawn by the difference between the frequencies of the pulse measurements.
However, displaying the selected image to the subject may cause him to produce psychological responses of different nature: a reaction to the positive emotions of some of the pleasurable events associated with one or more of the illustrated images; or a negative emotional response to an unpleasant event associated with another or other illustrated image. In both cases, the pulse rate may increase dramatically, and the pulse rate for positive emotions may exceed that for negative emotions.
The problem is typical of all types of modern measurable physiological parameters (Ч CC, Э Э Г, К Г P, etc.) it can therefore be stated that with the proposed known method of measuring the dependence of individual physiological parameter values on time without taking into account their relationship, it is not possible to objectively assess the current psychophysiological state of a subject, that is to say to determine unambiguously the vector of its emotional response (whether positive or negative).
One of the ancient first researchers Г i п п o к p t 5]Attempts have been made to quantify the psychological type of the investigator, who proposes to find a person hidden inSelf, its psychophysical and physical characteristics. The next important step in assessing psychological type and psychophysiological state has been achieved by the psychological founder analyzing psychology by conducting psychological tests or psychometric measurements using a topical questionnaire. Most notably, commonly recognized and scientifically understood are
The claimed method utilizes two independent parameters to assess personality status. However, the most important principle of obtaining psychophysiological information by questionnaires is very subjective and cannot be considered as a physical measure, since it is not based on a direct measurement of a physical quantity that determines the psychophysiological response of a person.
In that
It should also be noted that the number of publications of patent and patent applications aimed at developing technical means and methods for analyzing psychophysiological states and behaviors of humans has recently increased [9, 10, 11 ]. However, most of the proposed solutions are also based on the measurement of physiological parameters or psychological characteristics of the person, which is not sufficient to obtain objective information about the current psychophysiological state and limits the application of the developed method.
A method of obtaining information on a psychological state of an organism is known, which method allows determining a set of psychological and physiological characteristics of a human based on a process of real-time measured physiological parameters (i.e., motion parameters of a head obtained by a vibration image technique). the method includes determining a set of physiological characteristics of the human, selecting a main physiological characteristic characterizing a physiological state from the set, determining a current psychological and physiological state in real time in case of mathematically processing measured data of the main physiological characteristic. to this end, a process of a registration signal (з a good, e.g. г a good, g.
We take this method [12] as a prototype (П o t i п) which allows to obtain a set of human psychophysiological parameters, however, as in the case of classical lie detectors, the prototype records the time dependence of the measured psychophysiological parameters without enough information to reveal a clear correlation with the change vector of the human emotional (psychological) state.
Disclosure of Invention
The object of the present invention is to develop a general method for studying and assessing changes in a person's current psychophysiological state.
The claimed research and assessment method of human psychophysiological state (П Φ C, п uc х Φ ei з ji к ji 3528 yi ч ji к ji я h from comprises expanding the function of the method of assessing П Φ C by additionally analyzing psychophysiological characteristics based on information of a change pattern of a direction of a vector regarding a human psychophysiological (unconscious) reaction in a monitoring process, and improving the accuracy of determining the physiological state, and establishing a correlation between a direction change of a psychophysiological reaction vector characterizing the change of the current psychophysiological state and a set of main physiological parameters determining the human psychophysiological state.
This technical effect is achieved by using a method of assessing a psychophysiological state of a person, the method comprising: determining a set of psychophysiological characteristics of the person, identifying a main psychophysiological characteristic from the set of psychophysiological characteristics of the person, and determining a current psychophysiological state of the person in real time with mathematical processing of measurement data of the main psychophysiological characteristic, the method being different from the prototype, the method further comprising assessing a pattern of change of the current psychophysiological state of the person during the monitoring period, wherein the characteristic of the physical state is identified as the main psychophysiological characteristic, the characteristic of the physical state comprising at least an energy characteristic as an indicator of an energy dissipated by the person and an information characteristic as an indicator of an efficiency of information exchange, the information characteristic characterizing a change in a level of information exchange between and within the physiological system of the person under the influence of external and internal variable factors, determining a measurement value of the main psychophysiological characteristic at each recording time of the monitoring period, assessing a change in a psychophysiological state of the person is performed in a coordinate system formed by the main psychophysiological characteristics, wherein the current psychophysiological state of the person at an ith recording time is defined as a point at an intersection of coordinates formed by measurements of the main psychophysiological characteristics at the recording time, determining the change in the current psychophysiological state of the person within an ith recording time interval of the surveillance session based on a direction of a vector of directed graph line segments connecting an intersection of coordinates of the main psychophysiological characteristics at an initial recording time (i-1) and an intersection of coordinates at an end recording time (i), and assessing a change pattern of the psychophysiological state of the person throughout the surveillance session according to the change in direction of the vector characteristics in the form of a graph path comprising successively interconnected directed line segments characterizing a party of the main psychophysiological characteristics within each recording time interval of the surveillance session Direction change and amplitude change.
In another embodiment of the present invention, a vibration image parameter reflecting an average frequency of human head micro-vibrations is selected as one main psychophysiological characteristic determining an energy characteristic of a subject, and a vibration image parameter reflecting dispersion (standard deviation) of the frequency of human head micro-vibrations is selected as another main psychophysiological characteristic determining an information characteristic of a psychophysiological state of the subject, and calculated.
In a further embodiment of the invention, the change dP of the current psychophysiological state of the person is determined from its coordinate change dE of the energy characteristic and the coordinate change dI of the information characteristic, the coordinate change dE of the energy characteristic being determined as dE-Ei-1-EiAnd determining the coordinate change of the information characteristic dI as Ii-Ii-1Wherein:
Ei-1-recording the initial state of the person during the ith recording time interval of the monitoring periodAn initial reference coordinate of energy consumption;
Ei-recording an end reference coordinate of energy expenditure of a current state of the person during an i-th recording time interval of the monitoring period;
Ii-1-recording an initial reference coordinate of an information feature of an initial state of the person during an i-th recording time interval of the monitoring period;
Ii-an end reference coordinate of the information characteristic of the current state of the person during the i-th recording time interval of the monitoring period.
In another embodiment of the invention, the change dP in the current psychophysiological state of the person when presenting the stimulus is determined by the following equation:
dP＝dI+dE
wherein:
dE is the coordinate change of the energy feature, determined by the following equation:
(dE＝Ei-1-Ei)，
dI is the coordinate change of the information feature, and is determined by the following formula:
(dI＝Ii-Ii-1)，
wherein:
Ei-1-recording an initial reference coordinate of energy expenditure of an initial state of the person during an i-th recording time interval of the monitoring period;
Ei-recording an end reference coordinate of energy expenditure of a current state of the person during an i-th recording time interval of the monitoring period;
Ii-1-recording an initial reference coordinate of an information feature of an initial state of the person during an i-th recording time interval of the monitoring period;
Ii-an end reference coordinate of the information characteristic of the current state of the person during the i-th recording time interval of the monitoring period.
The present solution is based on the following assumptions.
Since there are psychological, physiological and behavioral components in each psychophysiological state, different scientific concepts (general psychology, physiology, medicine, labor psychology, etc.) can be found in the description of the nature of the state known in the art. Furthermore, there is currently no common view of the problem of changes in psychophysiological states, as they are also samples of personality dynamics, due to personality association, behavioral needs, activity goals and adaptability in the environment and situation. As mentioned before, modern methods of studying a person's current psychophysiological state mostly aim to assess an already existing psychophysiological state without taking into account the pattern, direction and nature of the change of this state during the monitoring period, which does not allow to reveal the generation of crisis states or the formation of uncontrolled emotions, and the creation of prerequisites for their occurrence. The inability to assess the nature of changes in a person's psychophysiological state by traditional methods is due to the lack of practices and methods: the nature of the changes in any particular indicator of the person's state (physiological or psycho-emotional) and their association are evaluated simultaneously during the study, so that only one component of the psychophysiological state can be evaluated at the level of the psycho-emotional state or emotion, or at the level of the physiological (energy) response. Since these components are closely related to each other and the changes of each component are related to the large number of internal physiological and psycho-emotional changes that occur and to the external influences on the person (psychological, physical, informational, etc.), it is clear that the known methods are not able to provide a reliable analysis of the changes in the current psychophysiological state of the person due to the lack of complete features of information from different functional systems and variable external factors affecting the person and the lack of methods to objectively measure the changes in the exchange of information between the physiological systems of the person.
At the same time, modern scientific methods are a complex cybernetics or information measuring systems for human technological simulation (equivalence), which was proposed by the founders of cybernetics [14, 15, 16 ]]It provides for characterizing objects of any complexity using two basic concepts of "information" ("information exchange") and "energy". Although this approach is obvious, it has not been used so far in characterizing a person's current psychophysiological state. Although the characterization of energy consumed by a person (in kcal/min) is very common for determining the functional state of a person, in most cases it is only used in nutrition and medicine [17 ]]. Adjusting the proposed method to characterize the heart of a personThe main obstacle to physiological states is that the term "information" (such as "information state" ("information exchange") and the term "information efficiency") is not actually used in psychology and physiology as an indicator of information exchange (i.e., an indicator of the variation of the level of information exchange within and between the human physiological system) or is used in a slightly different sense (in relation to the founders of the treaty.) for example, joh, giro, ho ы [18] m]The developed emotional information theory proposes an emotional response to the influence of external information on a person. However, the synonym that is substantially closest to the term information exchange (or information exchange indicator), which characterizes the information state of the object (person), is the term person's mental state, which determines the person's mental comfort state. From sensory physiology [19]From the point of view, any psychological and physiological processes occurring in the human body are determined by information interaction through close association of physical and chemical processes [14 ]]The solution of the claimed protection is based on the assumption that its information exchange is determined by information efficiency, i.e. the quality of information exchange (speed, amplitude of signal, loss, signal to noise ratio, etc.) of the information signal channel within the human system, this method is similar to Ш e
When considering a human as an abstract physical or cybernetic system, an indicator of the information state (information exchange) of the human is dependent on controllability and loss, i.e., on the speed and synchronicity of the feedback signal channel in each physiological system and functionally related physiological system [11, 13 ]. furthermore, according to the teachings of П a-law, it is well known that all human physiological systems are interrelated [20 ]. in the case of his experimental psychophysiological study the author finds that in the case of mood improvement and mood improvement, the degree of synchronization of the various physiological system operations of the human is observed to increase, and in the case of a deterioration of the functional state of the human, the degree of synchronization decreases.
For the sake of clarity, an example of the invention is discussed below, in which a person is presented in the form of a conventional cybernetic system (fig. 1) comprising a number of physiological systems Ph1To Phn(cardiovascular, neurological, digestive, vestibular, etc.), each system works with a specific physiological task. Furthermore, each physiological system has a certain influence on all other systems (transmitting its information in the form of feedback and receiving corrected information), the mutual influence of one physiological system on the other being determined by the correlation coefficient CknAnd (5) characterizing. With energy carrier EexInput effects (stimuli) in the form of (food, oxygen) and input information Iex(light, sound, heat, etc.) is constantly delivered to the "input" of a person, which is metabolized by internal physiological processes (I)in-Ein) Conversion into human-emitted energy Eout(Heat, motion) and information Iout(words, expressions, variations of physiological parameters like heart rate, К Г P, Э Э Г.) of course, this is an overall scheme of human functioning, however, from the author's point of view, it is a scheme that fully covers the physical, chemical and informational processes that occur in humans and well explains the invention.
The invention aims to evaluate the psychophysiological state of a personAs can be seen from the scheme shown in FIG. 1, this object is related to determining the change E in internal energy due to physicochemical processes occurring in the human bodyinAnd an indicator I of a change in the information status of a person characterized by the exchange of informationinIs closely related to the requirements of (a). It follows from this solution that the analog quantity closest to the internal value of the information and energy state of the person is the external component I of the information and energy state that can be physically measuredoutAnd Eout. In this case, determining the energy dissipated or consumed by a person is a well-known physical problem with many technical solutions. According to the solution claimed by the invention, it is proposed to determine the internal information state as the information efficiency Iin＝Iu/It(IuIs useful information, i.e., the amount of information sent and received without loss and repetition per unit time; which is the total amount of information sent per unit time) or a simplified function of the sum of the correlations of the various physiological system operations (I)in＝F(S(Ckn) And the process may be performed in various technical ways (e.g., with a vibration image technique) or by measuring the average correlation of the time-dependence of various physiological signals. The reduction of useful signal exchanges and associated dependencies during the operation of the various physiological systems of a person is characterized by a loss of control, confusion, an increase in entropy, and in the extreme case, death of the person.
Most existing methods for analyzing a person's psychophysiological state are based on the well-known allegedly of the ancient greek philosopher П p-o-t.a г o-p.p.a, who claims "the person is a measure of everything", however, in order to obtain objective measures when measuring a person's psychophysiological state, it is necessary to avoid ambiguous psycho-emotional characteristics and to use only physical quantities and objectively measured technical characteristics.
In the prior art (including in prototypes), the technical solution differs, as previously mentioned, in that one or more physiological parameters are recorded as a rule as a function of time. At the same time, there is no functional dependency between the studied parameters and it is not possible to determine the current psychophysiological state based on a general mathematical relationship between the parameters. According to the claimed solution, two basic parameters are physically measured to determine the energy state and the information state of a person, and the psychophysiological state is determined by the ratio of the coordinates of these two parameters: information/energy (I/E). An information indicator of a person's state is understood as a controllability level (i.e. information efficiency, which is the ratio of the received amount of information signals to the total transmitted information amount) or a correlation level between various physiological systems of the living being, which correlation level can be objectively determined, as is well known, for example, based on the correlation between signals of electrocardiogram, electroencephalogram, galvanic skin response and vestibular measurements, which signals vary in time and are correlated with each other. It should be understood that as an energy indicator of a person's state, the energy consumed or dissipated by the person's body is approximately the same in an equilibrium state for a longer period of time (at least 24 hours), while within a short period of time (lasting 5 to 20 seconds), e.g., the reaction period of each stimulus, the emission (release) of energy by the person may be several times higher than the energy consumption at the same time, the average energy emission in a calm state, and the average daily energy emission.
If the value of the parameter E reflecting the energy characteristics of the living being decreases and the value of the parameter I reflecting the information state of the living being increases, it can be concluded that the person enters a more restful, relaxed state. Conversely, if the parameter value corresponding to the energy characteristic of the living organism increases and the parameter value corresponding to the information state of the living organism decreases, the person is in a stressed, stressed state. If the values of both parameters E and I are increased, the person enters an aggressive sedated state and is ready for activity. If both parameter values are reduced, the person is in a depressed, bored state.
In this way, we have obtained a two-dimensional data array which determines the information characteristic and the energy characteristic (I (t)/E (t)) respectively of the recorded response, which array allows to establish a correlation with the variation vector of the current psychophysiological state, that is to say at least to determine whether this response is positive or negative, according to the claimed invention it is the degree of aggressiveness or depolarity of the current П Φ C variation under the influence of external and/or internal factors (including when sensing external stimuli), which is a psychological determinant, such as 1 and 0 of modern computing techniques.
It can be said that this method is performed on the "outward" - "neuronal" scaleThe evaluation of personality is somewhat close because it is possible to derive parallels between the energy characteristics of a person's state and the degree of extroversion of his behavior, as well as the level of psychological comfort and the degree of his sedation (nervousness). However, as described above, the first and second electrodes,
One of the techniques suitable for implementing the claimed method is a vibrographic technique, which allows measuring indicators of the energy expenditure and the information status of a person. The authors have experimentally established the dispersion of the frequency of the vibration images of the information indicators, which are characteristic of the psychophysiological state of a person, and the average frequency of the vibration images of the energy indicators, which are characteristic of the psychophysiological state of a person.
Obviously, for the compatibility of the processes evaluated by the scale of the information and energy characteristics of a person, they can be expressed in physical units (information efficiency in percentage, energy in joules or calories, for the recorded time period-energy in joules/minute or kcal/minute), or both characteristics can have relative indicators (%), in which case the energy characteristics should be reduced to the final capacity of the person.
Then, on the basis of the foregoing, as an indicator of the information characteristic (information efficiency) of the person, the following relationship of the information exchange between the physiological systems of the person and within the physiological systems and the total signal exchange amount between the physiological systems and within the physiological systems can be employed:
Iin＝Ir/(Ir+S)； (1)
wherein
Iin-a characteristic of the informational state of the person;
ir-the amount of useful information accepted by a human physiological system per unit time;
ir + S-total amount of information (including erroneous and lost information or entropy S) sent by a person' S physiological system per unit time.
Further, the indicator of a decrease in the energy state of the person may be represented by the following scale:
Ein＝Ecur/Emax (2)
wherein
Ein-a decreasing indicator of the energy state of a person;
ecur-the amount of energy consumed by a person per unit of current time;
emax-the physiological limit of the maximum amount of energy a person consumes per unit time.
The above formulas for calculating degradation indicators for information and energy characteristics explain the general meaning of these indicators. It is obviously impossible to accurately measure the total amount of information sent by a person per unit time, since the brain of a person contains about 50 x 1010One neuron [21]]More information is transmitted than all computers in the world, however, the authors experimentally established the possibility of assessing the ratio of the amount of useful information transmitted by the physiological system to the total amount of information transmitted, and the ratio of the current energy consumed by the physiological system to the limit energy, by means of vibrographic techniques, thanks to the vestibulo-emotional reflex.
For this reason, it is necessary to measure the energy emitted by a human being, for example, using a thermal imager, and evaluate the total synchronicity (П pu x correlation coefficient) of the received physiological signals such as Э Э Г, К Г P, Ч CC.
In combination with the foregoing, this solution is novel, not obvious to a person skilled in the art from the prior art, and applicable in industry, so that the present invention complies with the patentability standards established for the invention.
Drawings
Figure 1 shows an overall scheme of human functioning in the form of a conditional equivalence theory of control system.
Fig. 2 shows a scheme of information and energy maps of changes in psychophysiological state.
Fig. 3 shows an example of the real information and energy map of the change of the psychophysiological state during the investigation.
Detailed Description
In the following, consider an example of the invention in which a change in the energy state of a person (energy consumption in kilocalories per minute (in physical, energetic)) occurs in a fixed amount (2 kilocalories per minute) and an information parameter that characterizes the psychological comfort level is changed in different directions. The current psychophysiological state is displayed in the form of a point located at the intersection of coordinates formed by the measured values of the main psychophysiological characteristics, and the change in the psychophysiological state of the person over time is displayed as a directed segment of a straight or curved line between two points of the psychophysiological state of the person at the beginning and the end of the time interval of the study. An example of the change of psychophysiological state from
The 0-1 transition is characterized by increased energy consumption and increased levels of information status indicators (efficiency) and psychological comfort. The cause of such changes in psychophysiological state may be good or pleasant messages (stimuli) which lead to more intense metabolic processes (increased energy consumption), while the psychological state and mood are significantly improved (reduced entropy of metabolic processes, increased information content exchanged).
The 0-2 transition is characterized by an increased energy consumption and a constant level of information status indicators, their efficiency and psychological comfort. The reason may be, for example, that an increase in mental or physical activity leads to a more intense metabolic process (an increase in energy expenditure), while the mental state and mood remain unchanged, since the effect performed does not cause a change in mood.
The 0-3 transition is characterized by an increased energy consumption and a reduced level of information status indicators and psychological comfort. The reason may be an unpleasant message that leads to a more intense metabolic process (increased energy consumed) with a marked deterioration in mental state and mood (a deterioration in entropy of the metabolic process and a reduction in the information content exchanged, thus a reduction in the efficiency of the information exchange).
The 0-4 transition is characterized by reduced energy consumption, reduced levels of informational status indicators and psychological comfort. The reasons may be unpleasant messages that lead to a slowing down of the metabolic processes (a reduction in the energy consumed) while the psychological state and mood are significantly deteriorated (a deterioration in the entropy of the metabolic processes and a reduction in the information content exchanged, i.e. a reduction in the efficiency of the information exchange).
The 0-5 transition is characterized by reduced energy consumption and improved levels of information status indicators (efficiency) and psychological comfort. The reason may be good messages that calm the person and slow down the metabolic processes (less energy consumed) while the mental state and mood improve significantly (less entropy of the metabolic processes and more information content of the metabolism).
Thus, the lack of information about the vector of changes in a person's psychophysiological state (including his emotional state) makes it possible, using classical lie detectors and similar techniques, to depend on the operator doing the test and to not provide a technique that gives reproducible objective results, whereas the present invention allows measuring and calculating the current psychophysiological state by determining the direction of the change in the psychophysiological state.
In an example of the present invention that is actually implemented, the measurement of the current psychophysiological state is performed by a vibration image system (vibramage PRO) [21] manufactured by Э c of russian san pdegberg, the vibration image system measures the current psychophysiological state of the human in synchronization with presented stimuli (visual, textual, graphical and audio information), and analyzes the honesty of the subject in answering the presented questions according to a test method [18] of Б к c a comparison region, an example of a truth and energy diagram of the psychophysiological state changes during investigation is shown in fig. 3, which shows the dependence of the current psychophysiological state of the human in answering the question, parts 1-2 show the reaction of the subject in presenting a neutral question, parts 2-3 show the reaction of the subject in presenting a control question, parts 3-4 show the reaction of the subject in presenting a related question, and parts 3-4 show the reaction of the subject in presenting a control question, and parts show that the reaction of the subject does not occur immediately after the psychological reaction of various types of the questions (the directions of the inertial stimuli) are different.
Comparative testing was performed on a system based on the present invention, in which the level of psychophysiological response of a subject to a presented stimulus was determined by equation (3):
dP＝dI+dE (3)
wherein: dE is the coordinate change of the energy feature, determined by the following equation: (dE ═ E)i-1-Ei) (ii) a dI is the coordinate change of the information feature, and is determined by the following formula: (dI ═ I)i-Ii-1) Wherein E isi-1-recording an initial reference coordinate of energy expenditure of an initial state of the person during an i-th recording time interval of the monitoring period; ei-recording the current state of the person during the ith recording time interval of the monitoring periodAn end reference coordinate of energy consumption; i isi-1-recording an initial reference coordinate of an information feature of an initial state of the person during an i-th recording time interval of the monitoring period; i isi-an end reference coordinate of an information feature of the current state of the person during an i-th recording time interval of the monitoring period; regarding a similarity analysis of the answers to the same question, considering only the energy component of the subject's response determined in a standard way based on the temporal dependence of the vibration image parameters, a 30% reduction in the probability of error is presented when determining the lie in the answer to the question.
The examples provided clearly show that the accuracy of determining the current psychophysiological state of a person is improved compared to the registration of a time-dependent one-dimensional variation of a physiological parameter of the person, wherein in the examples provided the variation value of П Φ C has a magnitude and sign corresponding to a level of positivity (+) or negativity (-) in response to external and internal influences, stimuli
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