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lable at ScienceDirect Progress in Biophysics and Molecular Biology xxx (2017) 1e11 Contents lists avai Progress in Biophysics and Molecular Biology journal homepage: www.elsevier .com/locate/pbiomolbio Theoretical modeling of the subject: Western and Eastern types of human reflexion Vladimir A. Lefebvre University of California at Irvine, Irvine, CA 92697, USA a r t i c l e i n f o Article history: Received 27 April 2017 Accepted 2 June 2017 Available online xxx Keywords: Reflexion Meditation Neural network Thermodynamics Chakra E-mail address: valefebv@uci.edu. http://dx.doi.org/10.1016/j.pbiomolbio.2017.06.006 0079-6107/© 2017 Published by Elsevier Ltd. Please cite this article in press as: Lefebvre, V Biophysics and Molecular Biology (2017), ht a b s t r a c t The author puts forth the hypothesis that mental phenomena are connected with thermodynamic properties of large neural network. A model of the subject with reflexion and capable for meditation is constructed. The processes of reflexion and meditation are presented as the sequence of heat engines. Each subsequent engine compensates for the imperfectness of the preceding engine by performing work equal to the lost available work of the preceding one. The sequence of heat engines is regarded as a chain of the subject's mental images of the self. Each engine can be interpreted as an image of the self that the engine next to it has, and the work performed by engines as the emotions that the subject and his images are experiencing. Two types of meditation are analyzed: The dissolution in nothingness and union with the Absolute. In the first type, the initial engine is the one that yields heat to the coldest reservoir, and in the second type, the initial engine is the one that takes heat from the hottest reservoir. The main con- cepts of thermodynamics are reviewed in relation to the process of human reflexion. © 2017 Published by Elsevier Ltd. Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00 2. Brain, mental phenomena, and thermodynamics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00 3. Heat engines and reflexion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00 4. Meditation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00 5. Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00 Acknowledgment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00 1. Introduction In the West, the concept of reflexion appeared in the XVIIIs century as the ability of a human to have the image of the self in the mental domain. In the East, two millennia earlier, meditation exis- ted already, which allowed a human not only to see himself in the mental domain, but also to govern his body and mental world conditions. In this paper, we will show that reflexion and medita- tion can be considered from the single point of view. To do this, we construct the thermodynamic model of reflexion and meditation. The second section contains a brief review of works on .A., Theoretical modeling of th tp://dx.doi.org/10.1016/j.pbio thermodynamic processes in large neural networks and introduces the basic thermodynamic concepts. The third section describes the thermodynamic model of reflexion, and the fourth section is devoted to the model of meditation. These constructions represent the development of the mathematical model of the subject with reflexion making bipolar choice (Lefebvre, 1992, 1997, 2014). The model is given by the two equalities: X1 ¼ x1 x1 þ x2 � x1x2 ; (1.1) e subject: Western and Eastern types of human reflexion, Progress in molbio.2017.06.006 mailto:valefebv@uci.edu www.sciencedirect.com/science/journal/00796107 http://www.elsevier.com/locate/pbiomolbio http://dx.doi.org/10.1016/j.pbiomolbio.2017.06.006 http://dx.doi.org/10.1016/j.pbiomolbio.2017.06.006 http://dx.doi.org/10.1016/j.pbiomolbio.2017.06.006 V.A. Lefebvre / Progress in Biophysics and Molecular Biology xxx (2017) 1e112 X2 ¼ x2 x1 þ x2 � x1x2 ; (1.2) where 0 < х1,х2 � 1. Х 1 is the probability with which the subject is ready to choose the positive pole; X2 is the probability with which the subject evaluates his preparedness to choose the positive pole; that is, we consider that the subject may have an image of the self. х1 is the probability that the environment makes a push toward choosing the positive pole at the moment of choice, and х2 is the average probability of pushes toward the positive pole in the past. The image of the self may have its own image of the self and so on (Lefebvre, 1967, 2014). The diagram of reflexion is given in Fig. 1. The bottom square represents the subject; the square above it is the subject's image of the self; the next one is the image of the self that the image of the self has. Square 2 is what square 1 “knows”; square 3 is what square 2 “knows” and, at the same time, what square 1 “is aware of.” Thus, in our scheme, “knows that knows” is equal to “is aware of”; thereby, we distinguish knowledge and awareness. The input to odd squares is х1, and the output Х 1. The input to even squares is х2, and the output Х 2. The mathematical model of reflexion allows us to explain a number of psychological phenomena (see Adams- Webber, 1987; Lefebvre, 1997). 2. Brain, mental phenomena, and thermodynamics We all know that human cognition is somehow connected with the brain, because distortion of the brain's functioning leads to mental pathology. We also believe, at least in the framework of science, that the brain's functioning is governed by physical laws. All this leads us to assume that it is possible to establish a direct connection between consciousness and the laws of physical reality. In this section, wewill elaborate a theoretical construction showing the evident formal correlation between thermodynamic processes and the model of the reflexive subject introduced in our earlier Fig. 1. The diagram of reflexion (k � 0). Please cite this article in press as: Lefebvre, V.A., Theoretical modeling of th Biophysics and Molecular Biology (2017), http://dx.doi.org/10.1016/j.pbio work (Lefebvre, 1997). It allows us to suggest a hypothesis con- cerning the nature of the relationship between the brain's computational systems and the aspect of our individual existence which we call “inner experience,” “subjectivity,” “consciousness” or “mental phenomena.” Our hypothesis is as follows: mental phe- nomena are a “form of existence” of the thermodynamic charac- teristics of neural nets in their performance of computational processes. In other words, the connection between a mental pro- cess and the functioning of real neural nets is similar to the connection between the temperature of a gas and the movements of particles constituting it. We will presentlyshow that this state- ment is more than just a metaphor. The main question concerns whether it is right, in principle, to talk about the thermodynamic characteristics of neural nets. The first to answer this question was Cowan (1968); he indicated the possibility of establishing a parallel between the statistical behavior of a microparticle and computational processes in formal neural nets. Following this, Bergstrom and Nevanlinna (1972) suggested the characterization of a system consisting of a large number of neurons by its total energy and by the distribution of entropy in its subsystems. They assumed that the first and second laws of ther- modynamics would hold in such a system, and this allowed them to describe the system's evolution using thermodynamic concepts. The next important step was taken by Hopfield (1982), who connected Ising's model, constructed for the theoretical represen- tation of physical processes in solid bodies, with both parallel and asynchronic computational processes in neural nets. When the activity of the brain neural system is schematized according to thermodynamic concepts it appears to consist of two levels. The first or micro-level characterizes functioning of a single neuron or of a small group of connected neurons. The second or macro-level characterizes the functioning of nets consisting of huge number of neurons (see Ackley, 1985; Cadieu et al., 2007). These nets ac- quire stable statistical characteristics, and at this level the func- tioning of neural nets can be connected with thermodynamic values (temperature, entropy). Our hypothesis is that the macro-level of such a system is not only a convenient theoretical description but has the ontological status of “existing reality” and that our inner experience is a form of the existence of this thermodynamic level. If we accept this hy- pothesis, we can expect the formal schemes of mental phenomena to coincide with the formal schemes of thermodynamic processes. The statement formulated above is a theoretical prediction resulting from our hypothesis. Imagine that we were studying a certain mental phenomenon without the use of relations from thermodynamics or statistical physics and then discovered that the formal model which we had constructed described not only the mental phenomenon we were studying but also a particular thermodynamic process. At that moment we could consider that we had found an argument in favor of the hypothesis articulated above. We have done just that and constructed a formal model of a mental phenomenon - human reflexion. In the following sections we demonstrate that, from the formal point of view, this model is isomorphic to an elementary thermodynamic process, and in this way we obtain support for our hypothesis on the general nature of mental phenomena. The following gives a brief sketch of classical thermodynamics. Thermodynamics is constructed as an abstract field. Imagine that we have the means to measure heat and work, that is, we have the capacity to tie these characteristics of physical processes to non- negative numbers. Let the heat be transformable into work and work into heat, and let there be a universal unit for measuring them. At this moment we move to the concept of energy, and consider work and heat as two forms of the transmission of energy. e subject: Western and Eastern types of human reflexion, Progress in molbio.2017.06.006 V.A. Lefebvre / Progress in Biophysics and Molecular Biology xxx (2017) 1e11 3 Suppose that we can compare a pair of bodies A and B and make statements of the type: “A is hotter than B,” or “B is hotter than A,” or “A and B are equally hot.” We assume that this relation is tran- sitive, that is, if “A is hotter than B” and “B is hotter than C” then “A is hotter than C,” and if “A and B are equally hot” and “B and C are equally hot” then “A and C are equally hot.” Thus, we can begin the construction of thermodynamics without introducing the concept of temperature. We assume, however, that there is an ordered relation in the set of all bodies, and that for any two bodies we can say which one is hotter or that they are equally hot. Let us introduce now the second law of thermodynamics: The production of work is impossible without transmission of heat from a hotter body to a cooler one. Since the second law of thermodynamics is formulated as a negative statement and since we believe that everything which is not prohibited is allowed, then we have the following principle for receiving work from heat: It is possible to create an engine which receives heat from a hotter body, yields heat to a cooler body, and performs work W > 0. The simplest heat engine performing work can be represented as follows (see Fig. 2): The two reservoirs 1 and 2 are given, with 1 hotter than 2. In accord with the principle of receiving work from heat, it is possible to construct an engine which takes heat Q1 from reservoir 1, yields heat Q2 to reservoir 2, and performs work W. The connection be- tween Q1, Q2 and W is given by the first law of thermodynamics or the law of the conservation of energy: W ¼ Q1 � Q2: (2.1) Since the second law requires Q2 > 0, only part of the heat taken from a hot reservoir can be transformed into work. This limitation, however, is absent when work is transformed into heat. The entire work performed by a heat engine can be transformed into an equal amount of heat. A reversible engine is an engine for which the diagram in Fig. 2 can be reversed, that is, the same engine can work in accord with diagram 2.1a and with diagram 2.1b. In other words, when the engine is reversible, we can take heat Q2 from a cool reservoir by using work W. In accord with the first law, Q1 ¼ W þ Q2. A non- reversible engine is an engine for which the diagram in Fig. 2 is not reversible, that is, we cannot, using work W from an external agent, take heat Q2 from a cool reservoir and yield heat Q1 to a hot reservoir. We will assume that the reservoirs are so large that during the engine's functioning their “temperatures” do not change. Since we Fig. 2. Diagram of an abstract heat engine. Vertical lines depict heat reservoirs; reservoir 1 is hotter than reservoir 2. (a) The direct diagram. The engine takes heat Q1 from reservoir 1, yields heat Q2 to reservoir 2, and performs work W. (b) Reversed diagram. The engine receives work W from an external agent, takes heat Q2 from the cold reservoir, and yields heat Q1 to the hot reservoir. Please cite this article in press as: Lefebvre, V.A., Theoretical modeling of th Biophysics and Molecular Biology (2017), http://dx.doi.org/10.1016/j.pbio do not have a measure for temperature, we say that transmitting heat from a hot reservoir to a cool one does not change the order of heated bodies. We will call such reservoirs unchangeable. The value r ¼ Q1 � Q2 Q1 (2.2) is called efficiency. This parameter shows what portion of heat which comes from the hot reservoir is transformed into work. The following statement is true: Statement 1. For any two given unchangeable reservoirs (one hotter than the other) there is no engine whose efficiency is greater than that of a reversible engine. Proof. Consider Fig. 3. Let engine 1 be reversible, and engine 2 be another engine (not necessary reversible); let each engine receive heat Q1; the revers- ible engine performs work W1 and the other engine work W2 (see Fig. 3). Let W2 > W1. The reversible engine corresponds to the reversible diagram, and we can build the following construction (Fig. 3). A portion of the work performed by engine 2 is spent to return heat Q1 into the hot reservoir (the heat taken from it by engine 2). Since W2 > W1, the additional work W2 - W1 is per- formed. In this case there is no transmission of heat from a hotter body to a cooler one since we returned the heat, but we performed workW2 -W1 > 0, which is prohibited by the second law. Therefore, our presumption that W2 > W1 is wrong, and the following expression holds: W1 >W2 (2.3) Carnot Theorem. Allreversible engines working between the same two reservoirs have the same efficiency. Proof. Let both engines in Fig. 3 be reversible. Since engine one is reversible, than in accord with Statement 1, W1 � W2, and since engine 2 is reversible, then in accord with Statement 1, W2 � W1. These two inequalities lead to W1 ¼ W2 (2.4) It follows from the Carnot theorem that if an engine is reversible, its efficiency does not depend either on its principle of work or on the fuel it consumes. Let us now introduce a concept of temperature. We distinguish a reservoir which we call basic and consider a set of reservoirs hotter than the basic one. Then we choose a heat Q* and call it a unit of heat. Finally, we establish a reversible engine between each reser- voir and the basic reservoir and take from each reservoir the amount of heat in order that the reversible engine yields heat Q* into the basic reservoir. We will call the temperature of a given Fig. 3. Engine 1 is reversible; engine 2 may be either reversible or non-reversible; we suppose that W2 > W1. e subject: Western and Eastern types of human reflexion, Progress in molbio.2017.06.006 Fig. 4. Definition of temperature. Reservoir 2 is basic. Reservoir 1 is hotter than the basic one. Q is the heat which must be taken from reservoir 1 to make the reversible engine yield heat Q* to reservoir 2. V.A. Lefebvre / Progress in Biophysics and Molecular Biology xxx (2017) 1e114 reservoir the number T ¼ Q Q* (2.5) where Q is the heat taken from the given reservoir (Fig. 4). The temperature of the basic reservoir is equal to 1 (Feynman et al., 1966). Statement 2. Reservoir 1 is hotter than reservoir 2 if and only if the temperature of reservoir 1 is higher than the temperature of reservoir 2. Proof. (1) Necessity. Let reservoir 1 be hotter than reservoir 2 and each engine, 1 and 2, yield heat Q* to the basic reservoir (see Fig. 5). Because engine 2 is reversible, the diagram in Fig. 5(b) can be transformed into the diagram in Fig. 5(a). Now the amount of heat taken from the basic reservoir is equal to the amount of heat yiel- ded to it. The work performed by the system in Fig. 5(b) is equal to W ¼ W1 �W2 ¼ ðQ1 � Q*Þ � ðQ2 � Q*Þ ¼ Q1 � Q2: (2.6) Since the amount of heat yielded to the basic reservoir is exactly the same as that taken from it, a given system can be considered as working between reservoirs 1 and 2. Because engines 1 and 2 are reversible, this system is also a reversible engine receiving heat Q1 from reservoir 1 and yielding heat Q2 into reservoir 2. And since a reversible engine performs the maximumwork out of heat Q1, then in accord with the principle of receiving work from heat W ¼ Q1 � Q2 >0; (2.7) which implies that Fig. 5. Engines 1 and 2 are reversible. Reservoir 3 is basic. Please cite this article in press as: Lefebvre, V.A., Theoretical modeling of th Biophysics and Molecular Biology (2017), http://dx.doi.org/10.1016/j.pbio T1 ¼ Q1 Q* > Q2 Q* ¼ T2 (2.8) (2) Sufficiency. Consider the scheme in Fig. 5. Let T1 > T2. Then (2.8) holds, which implies that W ¼ Q1 - Q2 > 0, which is possible (in accord with the second law of thermodynamics) only when reservoir 1 is hotter than reservoir 2 It follows from (2.8) that the following equation holds for the ef- ficiency of a reversible engine Q1 � Q2 Q1 ¼ T1 � T2 T1 (2.9) Since the efficiency of the reversible engine is greatest under the given conditions of functioning, then for the efficiency of any other engine working between reservoirs with temperatures T1 and T2 the following is true: Q1 � Q2 Q1 � T1 � T2 T1 : (2.10) Suppose that we choose another basic reservoir and in this new scale the temperatures of reservoirs 1 and 2 are equal to T10 and T20 respectively. It follows from (2.9) that T1 � T2 T1 ¼ T1 0 � T20 T1 0 : (2.11) Thus the temperature scales T and T 0 are connected by equation T ¼ cT 0; (2.12) where c > 0 is constant. Therefore, we have defined a function establishing a temperature scale in the set of reservoirs, accurate up to multiplication by a positive number. Let us note that we can choose expression (2.10) as a formula- tion of the second law of thermodynamics. All the statements cited in this section, including the formulation of the second law of thermodynamics at the beginning, can be deduced from (2.10). Indeed, it follows from (2.10) that Q2 > 0, i.e., it is impossible to product work without transferring the heat from a hotter body to a cooler one. Consider now some correlates necessary for the construction of a model. Let engine M be located between reservoirs with tem- peratures T1 and T2, where T1 > T2; the engine receives heat Q1 from the hotter reservoir and yields heat Q2 to the cooler one. Engine M performs the work W1 ¼ Q1 � Q2: (2.13) Let a reversible engine be located between the same reservoirs. It performs the work W0 ¼ Q1 T1 � T2 T1 (2.14) which is a theoretical maximum for the given ratio of reservoir temperatures. The value DW1 ¼ W0 �W1 (2.15) is called lost available work. If engine M is not reversible, e subject: Western and Eastern types of human reflexion, Progress in molbio.2017.06.006 V.A. Lefebvre / Progress in Biophysics and Molecular Biology xxx (2017) 1e11 5 DW1 >0 (2.16) The lost available work is the energy lost by a heat engine because its construction is not perfect. It is the work which engine Mwould additionally perform if it were reversible. Thus, DW1 ¼ Q1 T1 � T2 T1 � ðQ1 � Q2Þ ¼ Q2 � T2 T1 Q1 ¼ T2 � Q2 T2 � Q1 T1 � (2.17) Value DH ¼ Q2 T2 � Q1 T1 (2.18) is called a change of entropy of the system, which appears as a result of production of the work W1. Therefore, DW1 ¼ T2DH (2.19) Further, an essential role will be played by the two values: r1 ¼ Q1 � Q2 Q1 (2.20) u1 ¼ r1 r0 (2.21) where r0 ¼ T1 � T2 T1 (2.22) The value of r1 is the efficiency of engine M; r0 is the efficiency of a reversible engine, and u1 is relative value of this efficiency in comparison with the efficiency of a reversible engine working un- der the same conditions. Let us consider the construction in Fig. 6. It consists of two en- gines. The first engine works between reservoirs T1 and T2, and the second between reservoirs T2 and T3. We assume that (T1/T2) ¼ (T2/ T3) > 1. Engine 1 performs work W1 ¼ Q1 - Q2 and yields heat Q2 to reservoir 2. Since we do not require this engine to be reversible, it may lose work DW1, given by (2.15). Engine 2 compensates for the imperfection of engine 1. It takes from reservoir 2, exactly the same amount of heat which engine 1 yielded to it, and performs work exactly equal to the work which engine 1 could not perform because of its imperfection. Let us find now the efficiency of engine 2, designated r2. Fig. 6. Engine 1 takes heat Q1 from reservoir 1 and yields heat Q2 to reservoir 2. Engine 2 takes heat Q2 from reservoir 2, performs works equal to the lost available work of engine 1 and yields heat Q3 to reservoir 3. Please cite this article in press as: Lefebvre, V.A., Theoretical modeling of th Biophysics and Molecular Biology (2017), http://dx.doi.org/10.1016/j.pbio According to the definition of efficiency, Q2r2 ¼ DW1 (2.23) Because of (2.17) r2 ¼ Q2 � T2T1Q1 Q2 (2.24) and analogously to (2.21) u2 ¼ r2 r0 (2.25) In the next section we will begin construction of a model based on the scheme in Fig. 6 3. Heat engines and reflexion Let us consider a sequence of heat reservoirs whose tempera- tures decrease in geometrical progression: T1 T2 ¼ T2 T3 ¼ T3 T4 ¼ … (3.1) where T1/T2 > 1. We place a heat engine between every two reservoirs; the en- gine takes heat Qm from the reservoir with temperature Tm, per- forms work Wm, and yields heat Qmþ1 to the reservoir with temperature Tmþ1, where m ¼ 1, 2,… (see Fig. 7). Let this sequence be structured in such a way that every engine included in it except the first compensates for the imperfectness of the preceding engine by performingwork equal to the lost available work of the preceding engine. And let eachfollowing engine take from a hot reservoir the amount of heat yielded to it by the pre- ceding engine (see Fig. 6).Engine m performs work Wm ¼ Qm � Qmþ1 (3.2) Its lost available work is (see 2.17): DWm ¼ Qmþ1 � Tmþ1 Tm Qm ¼ Qmþ1 � T2 T1 Qm (3.3) Engine (mþ1) receives from reservoir (mþ1) heat Qmþ1, performs work Wmþ1 ¼ DWm (3.4) and yields heat Qmþ2 ¼ (T2/T1)Qm to reservoir (mþ2). Statement 1. Engine (mþ2) performs work Wmþ2 ¼ T2 T1 Wm (3.5) where m ¼ 1, 2 . … Proof. The work performed by engine (mþ2) is equal to the lost available work of engine (mþ1): Wm ¼ Qm � Qmþ1;Wmþ1 ¼ Qmþ1 � T2 T1 Qm;Wmþ2 ¼ T2 T1 ðQm � Qmþ1Þ ¼ T2 T1 Wm (3.6) Engines 1 and 2 perform, respectively, work e subject: Western and Eastern types of human reflexion, Progress in molbio.2017.06.006 Fig. 7. Sequence of heat engines. V.A. Lefebvre / Progress in Biophysics and Molecular Biology xxx (2017) 1e116 W1 ¼ Q1 � Q2 (3.7) and W2 ¼ Q2 � T2 T1 Q1 (3.8) Therefore, for the odd numbers m ¼ 2k þ 1 Wm ¼ � T2 T1 �k ðQ1 � Q2Þ (3.9) and for the even numbers m ¼ 2k þ 2 Wm ¼ � T2 T1 �k� Q2 � T2 T1 Q1 � (3.10) where k ¼ 0, 1, 2,. … Note that it follows from (3.5), (3.7), and (3.8) that the engines with odd numbers m ¼ 2k þ 1 receive from the hot reservoir heat Qm ¼ � T2 T1 �k Q1 (3.11) and engines with even numbers m ¼ 2k þ 2 receive the heat Qm ¼ � T2 T1 �k Q2 (3.12) where k ¼ 0, 1, 2, . … We will supplement the sequence of engines with two tapes, divided into boxes in such a way that each engine has two boxes, one at each tape (see Figs. 8, 9) Let each engine in the heat machine measure the work per- formed as a portion of the heat received from the hot reservoir and let it print the figure on the bottom tape. On the upper tape each engine prints its work, measured as a portion of the work which would be performed by a reversible engine under the same Fig. 8. A heat machine with two tapes. Each engine prints its efficiency, rm, in the bo Please cite this article in press as: Lefebvre, V.A., Theoretical modeling of th Biophysics and Molecular Biology (2017), http://dx.doi.org/10.1016/j.pbio conditions. Thus, the following value is printed on a bottom tape: rm ¼ Wm Qm ¼ Qm � Qmþ1 Qm (3.13) that is, the efficiency of engine m. The following value is printed on a top tape: um ¼ WmW0m (3.14) where W0m ¼ Qm T1 � T2 T1 (3.15) is the work which would be performed by a reversible engine located between reservoirs m and mþ1. Thus, um ¼ Wm QmT1�T2T1 ¼ rmT1�T2 T1 (3.16) is the relative efficiency of engine m. We will further show that such a machine can be considered a “self-generating” diagram of reflexion (see Fig. 9). Statement 2. Sequence rm is periodical and rm ¼ � r1; if m is odd r2; if m is even (3.17) Where r1 ¼ Q1 � Q2 Q1 ; r2 ¼ Q2 � T2T1Q1 Q2 (3.18) and m ¼ 1, 2,. Proof. Dividing (3.9) by (3.11) and (3.10) by (3.12) we obtain (3.17) It follows from (3.17) that xes of a lower tape and its relative efficiency, um, in the boxes of a higher tape. e subject: Western and Eastern types of human reflexion, Progress in molbio.2017.06.006 Fig. 9. Self-generating diagram of reflexion (m ¼ 2k þ 1). V.A. Lefebvre / Progress in Biophysics and Molecular Biology xxx (2017) 1e11 7 um ¼ � u1; if m is odd u2; if m is even (3.19) where u1 ¼ r1 T1�T2 T1 ; u2 ¼ r2 T1�T2 T1 ; (3.20) Statement 3. u1 ¼ r1 r1 þ r2 � r1r2 (3.21) u2 ¼ r2 r1 þ r2 � r1r2 (3.22) where r1r2s1 and r1 þ r2 >0 (3.23) Proof. Using direct calculations we find that the following identity holds for r1 and r2 from (3.18): r1 þ r2 � r1r2 ¼ T1 � T2 T1 (3.24) Thus, r1 r1 þ r2 � r1r2 ¼ r1T1�T2 T1 ¼ u1 (3.25) r2 r1 þ r2 � r1r2 ¼ r2T1�T2 T1 ¼ u2 (3.26) Note also that neither r1 nor r2 can be equal to 1 because of the second law of thermodynamics. It follows from (3.24) that variables r1 and r2 are connected with (T2/T1) by the equality ð1� r1Þð1� r2Þ ¼ T2 T1 (3.27) Therefore, for each pair r1 and r2 we can always find a ratio of temperature (T1/T2) allowing the machine in Fig. 8 to function. Let x1; x2s1 and x1 þ x2 >0 (3.28) Under these conditions equations (1.1) and (1.2) are equal to equations (3.21) and (3.22), if there is one-to-one correspondence Please cite this article in press as: Lefebvre, V.A., Theoretical modeling of th Biophysics and Molecular Biology (2017), http://dx.doi.org/10.1016/j.pbio x14r1 x24r2 x14u1 x24u2 9>>= >>; (3.29) In this way we obtain two pairs of equivalent correlations x1 ¼ x1 x1 þ x2 � x1x2 ; u1 ¼ r1 r1 þ r2 � r1r2 (3.30) x2 ¼ x2 x1 þ x2 � x1x2 ; u2 ¼ r2 r1 þ r2 � r1r2 (3.31) Let us now choose arbitrary x1 and x2 for which inequalities (3.28) hold and construct a machine consisting of m ¼ 2k þ 1 en- gines (k ¼ 0, 1, 2,…) with the efficiency of the two first engines equal to r1 ¼ x1; r2 ¼ x2 (3.32) and the temperature ratio given by (3.27). In accordance with (3.30) and (3.31) this machine will generate on its tapes, the same sequences of numbers X1, X2, X1 … X1 and x1, x2, x1, …, x1, which are present in the diagram of reflexion (Fig. 1). We can establish a one-to-one correspondence between the set of engines M1, M2,…Mm-1, Mm and the set of subjects S1, S2,… Sm-1, Sm as follows: M1 M2 Mm�1 Mm S1 S2 Sm�1 Sm (3.33) Note that the production printed by the machine on its tapes is symmetrical between left and right. Thus, we can also establish the following one-to-one correspondence: M1 M2 M3 Mm�1 Mm Sm Sm�1 Sm�2 S2 S1 (3.34) Let us agree to denote engines by the symbols of the subjects corresponding to them. If the orientation of the engines is given, then the machine printing on the top tape the sequence X1, X2,…, X1, and on the bottom tape the sequence x1, x2,…, x1, is isomorphic to the corresponding diagram of reflexion. Such a machine can be considered a “self-generating” diagram of reflexion. In the framework of our analytical considerations, we ascribe to the subject the capability for multiple self-awareness. From the formal point of view, each step of awareness consists in adding two squares (see Fig. 1). In the heat model, the analogue to the act of awareness is the addition of two new engines to the machine. With orientation (3.33) the two engines are added on the left, and with orientation (3.34) they are added on the right. The awareness cor- responding to the left-hand additions will be called ascending reflexion, and awareness corresponding to the right-hand additions e subject: Western and Eastern types of human reflexion, Progress in molbio.2017.06.006 Fig. 10. Left and right addition. (I) the machine after adding two engines on the left; (II) the machine after adding two engines on the right. The heat spreads in the systems from the left to the right in both cases. V.A. Lefebvre / Progress in Biophysics and Molecular Biology xxx (2017) 1e118 will be called descending reflexion.1 Fig. 10 shows two machines consisting each of three engines and representing a performing one act of awareness. Fig. 11 shows machines corresponding to performing k consec- utive acts of awareness (where k ¼ 0, 1, 2 …): 4. Meditation Meditation is a special type of human activity whose main characteristic is concentration either on an external object or on an inner thought or feeling. This high level of concentration results in changes both of mental and physiological states. Meditation has been traditionally associated with various world religions, each of which has its own inner language for describing mental phenom- ena. The main difficulty for scientific research into meditation lies in the near-impossibility of separating mental experience from the traditional religious forms of its description and interpretation. A great number of these forms exist, and each of them has a language which not only describes mental realities, but generates them as well (see Tart, 1975; Naranjo and Ornstein, 1971). We can distinguish two large classes of meditation. In the first one, the goal which the guru or instructor sets before the learner is to attain a psychologicalstate that feels like dissolving into emptiness. This state is reached by means of step-by-step elimi- nation of external perception, thoughts, feelings, and, finally, awareness itself. This meditation is called sometimes “emptiness.” The declared goal of meditation of the second type is to reach a feeling of union with the Absolute, God, or “Super-I.” Meditation of the first type is found in the traditions of Bud- dhism, and meditation of the second type is found mainly in Hin- duism, but also in Christianity and Islam. Let us consider in more detail the “emptiness” meditation, which is practiced in Zen-Buddhism and particularly widely spread in China (see, for example, Abaev, 1983; Radcliff & Radcliff 1993; Owens, 1992). In the first stage the pupil must learn to stay immobile for long periods of time. Then his ability to concentrate is developed. After that, comes a stage devoted to controlling one's own attention: a person must learn how to move smoothly from one aspect of his inner world to another. Next, the ability to “clean” one's inner world from concrete thoughts and feelings is acquired. This “cleaning” looks at first like a “dialectical game.” The learner suppresses all feelings, to the point where he can describe his inner state by words, “I have no feelings.” At the same time he is aware of experiencing joy from reaching this success, so that he must describe his state with the words, “I have feelings,” in contradiction with his previous statement. In the next step the person again 1 Another version of choosing engines is given in Lefebvre (2014). In adding engines at the left, the rightmost one represents the subject, and in adding engines at the right, the leftmost one is the subject. Please cite this article in press as: Lefebvre, V.A., Theoretical modeling of th Biophysics and Molecular Biology (2017), http://dx.doi.org/10.1016/j.pbio suppresses the feelings that he is aware of in himself. This pro- cedure is repeated many times until the fixation on feelings dis- appears and together with it the fixation on the task of eliminating them. Progress through these stages can produce the sensation of a vanishing self. At first this is discouraging, and the learner asks, “Is it me or not me?” At higher levels of meditation everything van- ishes from the mental sphere: worry, dialectical oscillations, and even the fixation on self's disappearance (see Suler, 1993). After self's disappearance all questions connected with this disappearance also vanish, including those which concern the relation of one's own intentions to oneself (which is the conse- quence of the vanishing of one's self). Intention is sensed as an alienated stream flowing into cognition from the outside. Then this sense is also deleted from cognition and thememory of it as well. At this stage the subject's inner world represents a form without content, that is, it is structured emptiness. Then the meditator senses emptiness without form; in the final stage this sense is also lost and sense of emptiness is perfected. Continuous practice allows one to combine all the steps necessary for reaching the “higher” states into a short procedure and to attain this state quickly at any moment. Let us recap the psychological changes taking place in the pro- cess of emptiness meditation. (1) “Switching off” of the perceptive sphere step-by-step. (2) Fading of inner thought and verbal activity. (3) Loss of the ability to experience emotions. (4) Fading of the sense of self. (5) Dissolution in nothingness. Let us now consider meditation of the second type. In Chris- tianity, the most sophisticated meditative technique for “touching the Divine Light”was created by the Hesychasts in Byzantium in the IV-VII centuries. The Hesychasts' process of meditation begins in the same way as that of the Buddhists, with deep concentration. Further on, however, something very different from emptiness meditation begins to occur. Feelings do not fade but rather increase. The meditator becomes increasingly aware of his sinful nature. At the same time he experiences rising excitement and feels himself approaching God. At the climactic moment a light appears before his eyes, a light which is interpreted as the radiance of God. This state ends leads to a catharsis, tears, the sense of atonement with God, and finally relaxation. A similar meditative technique was developed by Sufimystics of Islam in the eighth century (see Ornstein, 1992). In many schools of Sufism the path to unity with God consists of three stages. The first stage corresponds to seeing the self as an outside observer. This stage is described by the metaphor of “a fly burnt in a candle's flame.” The second stage is deep understanding on one's own sinfulness (“I am burning myself”). The third stage is unity with God, a state which cannot be expressed in words. The perfect technique for meditation of the second type appears within the framework of Hinduism. Let us consider one of the most advanced Hinduist systems of meditation, Raja-Yoga. This system consists of eight steps. The first two are devoted to the moral and ethical preparation necessary for meditative exercises. In the third and fourth stages, the pupil learns concentration, correct body position and breathing, which in this system are the necessary means for reaching the higher states. In the fifth stage one learns how to switch off one's own perceptive system and, in this way, “liberate mind” from external obstacles. The sixth stage is devoted to exercising deliberate control over one's own attention. This al- lows a person to concentrate easily on any element of the inner world and to maintain this concentration for a long time. At the seventh stage begins the deep meditation. The merging of one's e subject: Western and Eastern types of human reflexion, Progress in molbio.2017.06.006 Fig. 11. Ascending (I) and descending (II) reflexion. In ascending reflexion, the leftmost engine after a k-th act of awareness is S1. In descending reflexion, the rightmost engine after a k-th act of awareness is S1. V.A. Lefebvre / Progress in Biophysics and Molecular Biology xxx (2017) 1e11 9 own self with the object of attention is the goal of this stage. Finally, the last, eighth stage, is union with the Absolute, whose name is Brahman. The metaphorical statement “I am a Brahman” corre- sponds to this stage. Therefore, in process of meditation Raja-Yoga contains the following psychological changes: (1) Step-by-step switching off of the perceptive sphere (2) Step-by-step strengthening of the feeling of one's self (3) Subordination of the perceptive sphere to the will of one's self (4) Union of the self with the Absolute If we compare this list with that for Zen-Buddhism we can see essential differences. The main one is that, in Zen-Buddhism, a person experiences the disappearance of one's self, whereas in Raja-yoga the self is strengthened and its culmination is unionwith the Absolute. Note also that in Zen-Buddhism, individual will follow a stream of natural changes, while in Raja-Yoga, a person feels himself in control and even the creator of all changes occur- ring within him. Let us construct a model of meditation. The main idea is that in emptiness meditation we connect with the descending reflexion, Fig. 12. Two types of meditation. The length of arrows symbolizes the work of engines. The v appears. Please cite this article in press as: Lefebvre, V.A., Theoretical modeling of th Biophysics and Molecular Biology (2017), http://dx.doi.org/10.1016/j.pbio and in the one which leads to union with the Absolute, with the ascending (see Fig. 12). The work performed by the engines is interpreted as emotion intensities of the subject and of the subject's image of the self. During each act of awareness the emotion of the subject S1 changes: in pursuit emptiness it diminishes, and in a tendency to Absolute it rises, in both cases in geometrical progression as follows from (3.6). Many types of meditation practices are based onthe teaching about the energy centers in a human body called chakras. The followers of this doctrine believe that chakras are channels in which the vital energy moves. Each chakra corresponds to a special place in the human body, and these places are the centers to focus a person's attention during meditation. Various teachings present a different number of chakras, for example, in Tantrism, there are six (Woodroffe, 1928). Meditation begins with concentration on the first, the lowest chakra located in the area of reproduction part of human body. The declared goal is to relax it. The second chakra is located in the lower part of the abdomen. The goal of concentration on it is legs’ relaxation. The third chakra is in the center of the abdomen. The concentration on it must lead to controlling digestion. The fourth chakra is located on the chest; concentration on it allows a person to control his own emotions. The fifth chakra is on the neck; alue of n denotes the number of the acts of awareness, as a result of which a given state e subject: Western and Eastern types of human reflexion, Progress in molbio.2017.06.006 Fig. 13. Centers of energy in Tantrism. Chakras' system is shown in the right (Woodroffe, 1928). V.A. Lefebvre / Progress in Biophysics and Molecular Biology xxx (2017) 1e1110 concentration on it leads to control over the entire upper part of the body. And the sixth chakra is located in the center of the forehead and is considered to be the center of consciousness (Fig. 13). We may notice certain similarities between this representation of human energy centers and the thermal unit in Fig. 12. The heat engines correspond to the five lower chakras, and the energy source - to the sixth one located on the forehead. In what relation is the set of heat engines to the human body? If we do not want to move beyond today's science, we have to pre- sume this set to be connected with the brain functional structures. But the Eastern notion of chakras claims that they are located in several parts of human body. Although the multi-year debates did not find correspondence between chakras and human physiology (see Mishlove, 1993), in some Eastern teachings, chacras are shown as large nodes in acupuncture maps of a human. Medical effec- tiveness of acupuncture makes us think that our internal organs are projected to the skin (see Motoyama, 1990). Brain parts are also our internal organs, so, they too may be projected onto the skin. In this case, chakras are the glares of heat engines realized by the brain. 5. Conclusion What have we done? The course of our work was as follows. First, we constructed a mathematical model of a certain psycho- logical process - bipolar choice - and tested the model. Then we demonstrated that this model corresponds to a chain of ideal heat engines, functioning of which may explain the phenomenon of bipolar choice. In addition, this chain of heat engines explains a number of other psychological phenomena unrelated to bipolar choice (Lefebvre, 2014). Our hypothesis poses a question: is the connection between the chain of ideal heat engines and some phenomena in mental life of humans only a coincidence? To answer this question we have to analyze those features of formal theories, which convince us their predictions are not coincidental. At the beginning of the twentieth Please cite this article in press as: Lefebvre, V.A., Theoretical modeling of th Biophysics and Molecular Biology (2017), http://dx.doi.org/10.1016/j.pbio century, Niels Bohr constructed a model of a hydrogen atom (Levitin, 1990). He represented it as a solar system consisting of a nucleus - the Sun - and an electron - a planet, which can leap from orbit to orbit and, in so doing emit or absorb light quanta. This theory would not have been accepted by other physicists if it did not explain complicated patterns in the hydrogen spectrum. So, in saying that the prediction is not accidental we are concerned not only with its correctness, but also with its complexity. 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Introduction 2. Brain, mental phenomena, and thermodynamics 3. Heat engines and reflexion 4. Meditation 5. Conclusion Acknowledgment References
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