The development of a scientific theory of mind was thus significantly delayed."--BOOK JACKET.

Parkinson's disease (PD) is generally sporadic but a number of genetic diseases have parkinsonism as a clinical feature. Two dominant genes, α‐synuclein (SNCA) and leucine‐rich repeat kinase 2 (LRRK2), are important for understanding inherited and sporadic PD. SNCA is a major component of pathologic inclusions termed Lewy bodies found in PD. LRRK2 is found in a significant proportion of PD cases. These two proteins may be linked as most LRRK2 PD cases have SNCA‐positive Lewy bodies. Mutations in both proteins are (...) associated with toxic effects in model systems although mechanisms are unclear. LRRK2 is an intracellular signaling protein possessing both GTPase and kinase activities that may contribute to pathogenicity. A third protein, tau, is implicated as a risk factor for PD. We discuss the potential relationship between these genes and suggest a model for PD pathogenesis where LRRK2 is upstream of pathogenic effects through SNCA, tau, or both proteins. (shrink)

This book explains, in simple terms, with a minimum of mathematics, why things can appear to be in two places at the same time, why correlations between simultaneous events occurring far apart cannot be explained by local mechanisms, and why, nevertheless, the quantum theory can be understood in terms of matter in motion. No need to worry, as some people do, whether a cat can be both dead and alive, whether the moon is there when nobody looks at it, or (...) whether quantum systems need an observer to acquire definite properties. The author's inimitable and even humorous style makes the book a pleasure to read while bringing a new clarity to many of the longstanding puzzles of quantum physics. (shrink)

Empathy is thought to play a key role in motivating prosocial behavior, guiding our preferences and behavioral responses, and providing the affective and motivational base for moral development. While these abilities have traditionally been examined using behavioral methods, recent work in evolutionary biology, developmental and cognitive neuroscience has begun to shed light on the neural circuitry that instantiate them. The purpose of this article is to critically examine the current knowledge in the field of affective neuroscience and provide an integrative (...) and comprehensive view of the computational mechanisms that underlie empathy. This framework is of general interest and relevance for theory as well as for assisting future research in the domains of affective developmental neuroscience and psychopathology. (shrink)

Research on cognitive processes has primarily focused on cognitive control and inhibitory processes to the detriment of other psychological processes, such as defense mechanisms, which can be used to modify aggressive impulses as well as self/other images during interpersonal conflicts. First, we conducted an in-depth theoretical analysis of three socio-cognitive models and three psychodynamic models and compared main propositions regarding the source of aggression and processes that influence its enactment. Second, 32 participants completed the Hostile Expectancy Violation Paradigm in which (...) scenarios describe a hostile vs. non-hostile social context followed by a character's ambiguous aversive behavior. The N400 effect to critical words that violate expected hostile vs. non-hostile intent of the behavior was analyzed. Prepotent response inhibition was measured using a Stop Signal task and DMs were assessed with the Defense Style Questionnaire. Results showed that reactive aggression and HIA were not significantly correlated with response inhibition but were significantly positively and negatively correlated with image distorting defense style and adaptive defense style, respectively. The present article has highlighted the importance of integrating socio-cognitive and psychodynamic models to account for the full complexity underlying psychological processes that influence reactive aggressive behavior. (shrink)

Is quantum mechanics about ‘states’? Or is it basically another kind of probability theory? It is argued that the elementary formalism of quantum mechanics operates as a well-justified alternative to ‘classical’ instantiations of a probability calculus. Its providing a general framework for prediction accounts for its distinctive traits, which one should be careful not to mistake for reflections of any strange ontology. The suggestion is also made that quantum theory unwittingly emerged, in Schrödinger’s formulation, as a ‘lossy’ by-product of a (...) quantum-mechanical variant of the Hamilton-Jacobi equation. As it turns out, the effectiveness of quantum theory qua predictive algorithm makes up for the computational impracticability of that master equation. (shrink)

An examination of the fundamental role cybernetics played in the birth of cognitive science and the light this sheds on current controversies. The conceptual history of cognitive science remains for the most part unwritten. In this groundbreaking book, Jean-Pierre Dupuy—one of the principal architects of cognitive science in France—provides an important chapter: the legacy of cybernetics. Contrary to popular belief, Dupuy argues, cybernetics represented not the anthropomorphization of the machine but the mechanization of the human. The founding fathers of (...) cybernetics—some of the greatest minds of the twentieth century, including John von Neumann, Norbert Wiener, Warren McCulloch, and Walter Pitts—intended to construct a materialist and mechanistic science of mental behavior that would make it possible at last to resolve the ancient philosophical problem of mind and matter. The importance of cybernetics to cognitive science, Dupuy argues, lies not in its daring conception of the human mind in terms of the functioning of a machine but in the way the strengths and weaknesses of the cybernetics approach can illuminate controversies that rage today—between cognitivists and connectionists, eliminative materialists and Wittgensteinians, functionalists and anti-reductionists. Dupuy brings to life the intellectual excitement that attended the birth of cognitive science sixty years ago. He separates the promise of cybernetic ideas from the disappointment that followed as cybernetics was rejected and consigned to intellectual oblivion. The mechanization of the mind has reemerged today as an all-encompassing paradigm in the convergence of nanotechnology, biotechnology, information technology, and cognitive science. The tensions, contradictions, paradoxes, and confusions Dupuy discerns in cybernetics offer a cautionary tale for future developments in cognitive science. (shrink)

In _Aristotle’s Empiricism_, Jean De Groot argues that an important part of Aristotle’s natural philosophy has remained largely unexplored and shows that much of Aristotle’s analysis of natural movement is influenced by the logic and concepts of mathematical mechanics that emerged from late Pythagorean thought. De Groot draws upon the pseudo-Aristotelian_ Physical Problems_ XVI to reconstruct the context of mechanics in Aristotle’s time and to trace the development of kinematic thinking from Archytas to the Aristotelian _Mechanics_. She shows the (...) influence of kinematic thinking on Aristotle’s concept of power or potentiality, which she sees as having a physicalistic meaning originating in the problem of movement. De Groot identifies the source of early mechanical knowledge in kinesthetic awareness of mechanical advantage, showing the relation of Aristotle’s empiricism to more ancient experience. The book sheds light on the classical Greek understanding of imitation and device, as it questions both the claim that Aristotle’s natural philosophy codifies opinions held by convention and the view that the cogency of his scientific ideas depends on metaphysics. (shrink)

The article reconstructs Jean Cavaillès’s polemical engagement with Edmund Husserl’s phenomenological philosophy of mathematics. I argue that Cavaillès’s encounter with Husserl clarifies the scope and ambition of Cavaillès’s philosophy of the concept by identifying three interrelated epistemological problems in Husserl’s phenomenological method: (1) Cavaillès claims that Husserl denies a proper content to mathematics by reducing mathematics to logic. (2) This reduction obliges Husserl, in turn, to mischaracterize the significance of the history of mathematics for the philosophy of mathematics. (3) (...) Finally, Husserl’s phenomenology distorts the nature of mathematical experience. Accordingly, Cavaillès’s philosophy of mathematics is premised on a threefold affirmation designed to overcome these inadequacies. Cavaillès claims that mathematics is an autonomous field of conceptual production that cannot be reduced to logical, psychological, or phenomenological descriptions of conceptual genesis. Two important corollaries follow: the history of mathematics must guide the philosophy of mathematics, and mathematical experience itself must be described according to the mechanisms of a novel theory of mathematical abstraction. In what follows, I demonstrate that Cavaillès’s encounter with Husserl does not merely describe a polemical engagement with a rival philosophical position; it allows us to reconstruct Cavaillès’s own highly original contributions to the philosophy of mathematics. (shrink)

The transactional interpretation of quantum mechanics, following the time-symmetric formulation of electrodynamics, uses retarded and advanced solutions of the Schrödinger equation and its complex conjugate to understand quantum phenomena by means of transactions. A transaction occurs between an emitter and a specific absorber when the emitter has received advanced waves from all possible absorbers. Advanced causation always raises the specter of paradoxes, and it must be addressed carefully. In particular, different devices involving contingent absorbers or various types of interaction-free measurements (...) have been proposed as threatening the original version of the transactional interpretation. These proposals will be analyzed by examining in each case the configuration of absorbers and, in the special case of the so-called quantum liar experiment, by carefully following the development of retarded and advanced waves through the Mach-Zehnder interferometer. We will show that there is no need to resort to the hierarchy of transactions that some have proposed, and will argue that the transactional interpretation is consistent with the block-universe picture of time. (shrink)

We analyze the quantum mechanical measuring process from the standpoint of information theory. Statistical inference is used in order to define the most likely state of the measured system that is compatible with the readings of the measuring instrument and the a priori information about the correlations between the system and the instrument. This approach has the advantage that no reference to the time evolution of the combined system need be made. It must, however, be emphasized that the result is (...) to be interpreted as the statistically inferred state of the original system rather than the state of the system after measurement. The phenomenon of “reduction of states” appears in this light as a consequence of incomplete information rather than the physical interaction between measured system and measuring instrument. (shrink)

We seem to be abandoning the codes that told previous generations who they should love. But now that many of us are free to choose whoever we want, nothing is less certain. The proliferation of divorces and separations reveal a dynamic we would rather not see: others sometimes reject us as passionately as we are attracted to them. Our desire makes us sick. The throes of rivalry are at the heart of our attraction to one another. This is the central (...) thesis of Jean-Michel Oughourlian's _The Genesis of Desire_, where the war of the sexes is finally given a scientific explanation. The discovery of mirror neurons corroborates his ideas, clarifying the phenomena of empathy and the mechanisms of violent reciprocity. How can a couple be saved when they have declared war on one another? By helping them realize that desire originates not in the self but in the other. There are strategies that can help, which Dr. Oughourlian has prescribed successfully to his patients. This work, alternating between case studies and more theoretical statements, convincingly defends the possibility that breakups need not be permanent. (shrink)

Nothing, one day, seemed more imperative to me than the project of composing a book whose fiction would be constructed not as the representation of some preexistent entity, real or imaginary, but rather on the basis of certain specific mechanisms of generation and selection. The principle of selection may be called overdetermination. It requires that every element in the text have at least two justifications. In this perspective, each element is invested with a coefficient of overdetermination. If there is a (...) choice to be made between two overdetermined elements, the one with the highest coefficient of overdetermination will always be chosen. This principle, as we might expect, was not elected at random: it corresponds to any text construed as nonlinear. Take, for example, the simplest element, with a coefficient of two. A double relation connects it with the text: the one due to its place in the written line , and the one linking it with some other element in the text . By operating at a maximum level of multiple determinations, the text is elaborated by means of a maximum number of transversal relations, in a field diametrically opposed to the realm of the linear. Jean Ricardou is equally well known for his fiction, including L'Observatoire de Cannes , La Prise de Constantinople , Les Lieux-dits , and Les Révolutions Minuscules , and his criticism, including Problèmes du Nouveau Roman , Pour une Theorie du Nouveau Roman , and Le Nouveau Roman , LE PARADIGME d' Albert Ayme , and a collection of essays, Nouveaux Problèmes du Roman. His "Composition Discomposed" appeared in the Autumn 1976 issue of Critical Inquiry. Erica Freiberg regularly translates Jean Ricardou's works. She holds degrees in French and Italian, philosophy and modern literature from the University of Paris and the University of Geneva. (shrink)

This paper proposes a synthetic presentation of the proof construction paradigm, which underlies most of the research and development in the so-called “logic programming” area. Two essential aspects of this paradigm are discussed here: true non-determinism and partial information. A new formulation of Focussing, the basic property used to deal with non-determinism in proof construction, is presented. This formulation is then used to introduce a general constraint-based technique capable of dealing with partial information in proof construction. One of the baselines (...) of the paper is to avoid to rely on syntax to describe the key mechanisms of the paradigm. In fact, the bipolar decomposition of formulas captures their main structure, which can then be directly mapped into a sequent system that uses only atoms. This system thus completely “dissolves” the syntax of the formulas and retains only their behavioural content as far as proof construction is concerned. One step further is taken with the so-called “abstract” proofs, which dissolves in a similar way the specific tree-like syntax of the proofs themselves and retains only what is relevant to proof construction. (shrink)

Background: Psychiatric nurses are regularly confronted with the uses and effects of control interventions such as mechanical restraints. Although there are evident tensions in the literature regarding the use of mechanical restraints, very little research has focused on the lived and embodied experience of their use, whether from the patient’s perspective or the perspective of nursing staff responsible for their application. Research aims: (1) to gain access to the bodily phenomenon of being placed in mechanical restraints; (2) to give voice (...) to the intimate experiential understanding of this experience; and (3) through phenomenological interpretation, to understand the subjective processes and meaning-making of this experience. Research design: For this research, we adopted a distinctly ethics-oriented application of the methodology known as interpretative phenomenological analysis, that is, the interpretive dimension of the research focused on ethical practice in mental healthcare – one that is informed by experiential accounts of the lived body. Participants and research context: A total of 40 in-depth semi-structured, nondirected interviews with both nurses (n = 21) and patients (n = 19) we conducted to meet the aims of this article. Participants were recruited from an inpatient psychiatric unit of a Canadian general hospital. Ethical considerations: The research received research ethics board clearance from both the hospital where the study took place and the University of Ottawa. Findings: The comparative analysis is presented under the following headings: (1) context of care, (2) meaning of quality of care, (3) emotional reactions and nurse–patient relationship, (4) meeting the needs and (5) need for alternatives. Discussion/conclusions: The research findings are discussed in light of current literature and implications for practice. (shrink)

Personalised medicine has been discussed as a medical paradigm shift that will improve health while reducing inefficiency and waste. At the same time, it raises new practical, regulatory, and ethical challenges. In this paper, we examine PM strategies epistemologically in order to develop capacities to address these challenges, focusing on a recently proposed strategy for developing patient-specific models from induced pluripotent stem cells so as to make individualised treatment predictions. We compare this strategy to two main PM strategies—stratified medicine and (...) computational models. Drawing on epistemological work in the philosophy of medicine, we explain why these two methods, while powerful, are neither truly personalised nor, epistemologically speaking, novel strategies. Both are forms of correlational black box. We then argue that the iPSC models would count as a new kind of black box. They would not rely entirely on mechanistic knowledge, and they would utilise correlational evidence in a different way from other strategies—a way that would enable personalised predictions. In arguing that the iPSC models would present a novel method of gaining evidence for clinical practice, we provide an epistemic analysis that can help to inform the practical, regulatory, and ethical challenges of developing an iPSC system. (shrink)

Psychological research on people’s understanding of natural language connectives has traditionally used truth table tasks, in which participants evaluate the truth or falsity of a compound sentence given the truth or falsity of its components in the framework of propositional logic. One perplexing result concerned the indicative conditional if A then C which was often evaluated as true when A and C are true, false when A is true and C is false but irrelevant“ (devoid of value) when A is (...) false (whatever the value of C). This was called the “psychological defective table of the conditional.” Here we show that far from being anomalous the “defective” table pattern reveals a coherent semantics for the basic connectives of natural language in a trivalent framework. This was done by establishing participants’ truth tables for negation, conjunction, disjunction, conditional, and biconditional, when they were presented with statements that could be certainly true, certainly false, or neither. We review systems of three-valued tables from logic, linguistics, foundations of quantum mechanics, philosophical logic, and artificial intelligence, to see whether one of these systems adequately describes people’s interpretations of natural language connectives. We find that de Finetti’s (1936/1995) three-valued system is the best approximation to participants’ truth tables. (shrink)

The study investigated the extent to which defensive functioning and defense mechanisms predict clinically meaningful symptomatic improvement within brief psychodynamic psychotherapy for recurrent and chronic depression in an inpatient setting. Treatment response was defined as a reduction in symptom severity of 46% or higher from the baseline score on the Montgomery–Asberg Depression Rating Scale. A subsample of 41 patients from an RCT was included. For each case, two sessions of brief inpatient psychodynamic psychotherapy were transcribed and then coded using the (...) Defense Mechanism Rating Scales and the Psychotic Defense Mechanism Rating Scales, an additional scale developed to study psychotic defenses. Results showed that defensive functioning and mature and immature defense changed during psychotherapy and predicted treatment response. Patient’s defenses observed throughout therapy also predicted treatment response at 12-month follow-up. The addition of psychotic defenses allows a better prediction of the treatment response. Overall, these results are in line with previous research and provide further validation of defensive functioning as a predictor of outcomes and a mechanism of change in psychotherapy. (shrink)

Rethinking the meaning of mechanism in antiquity Content Type Journal Article Category Essay Review Pages 1-6 DOI 10.1007/s11016-011-9599-0 Authors Jean De Groot, School of Philosophy, Catholic University of America, 420 Michigan Ave., NE, Washington, DC 20064, USA Journal Metascience Online ISSN 1467-9981 Print ISSN 0815-0796.

The use of performance feedback in the workplace has gained popularity over the years, yet school heads have been challenged in providing it to teachers. In the initial interview, they shared that evaluation results can impact teachers’ motivation, and that feedback should be done carefully. However, they failed to clearly articulate a specific mechanism that had been applied in this vital role. Also, no studies have provided clear detail on the feedback mechanism used by school heads in the past. For (...) this reason, a study explored the feedback mechanisms employed by school heads in conveying the performance evaluation results to teachers. This study employed a narrative inquiry, and interviews were conducted with five school heads and five teachers who were chosen purposively for this research. Responses were recorded using a voice recorder. These responses were transcribed and analyzed using thematic narrative analysis. Based on transcripts, the study identified six emergent themes, such as conversational (one-on-one), relational, reflective, technical, reinforcing, and properly situated mechanisms in conveying performance evaluation results to teachers. Thus, a new feedback mechanism framework was developed. (shrink)

A Controlled Not variant of the standard quantum teleportation protocol affords a step-by-step analysis of what is, or can be said to be, achieved in the process in either location. Dominant interpretations of what quantum teleportation consists in and implies are reviewed in this light. Being mindful of the statistical significance of the terms and operations involved, as well as awareness of classical analogies, can help sort out what is specifically quantum-mechanical, and what is not, in so-called teleportation. What the (...) latter achieves appears to be the transmission, without the involvement of mysterious channels, of what a quantum state encapsulates: the multitiered probabilistic characterization of a given preparation, which might be all we can possibly know about a physical system in a given experimental situation. (shrink)

Two strains of male mice have bred over fortygenerations, starting with the work of RobertCairns and his colleagues, one strain with ahigh level of intra-species aggression, theother a low level of aggression. Thehigh-aggression mice tend to establishdominance hierarchies and particularly fight inthe presence of female mice. Thelow-aggression mice tend, in groups of theirown, to have a high degree of low-intensity,peaceful social contact, and to be more timidin initiating action than the high-aggressionmice. Biochemical differences have beenobserved between the two strains, and (...) confirmedby the present data: the high-aggression micehave greater dopamine concentrations (in thecaudate nucleus and nucleus accumbens), lowerlevels of the stress hormone corticosterone,and higher levels of testosterone than thelow-aggression mice. The current experimentswere designed to answer questions about theflexibility of adaptive behaviors:specifically, what is the effect of early dailymaternal separation on adult stress response ineach strain? What are the behavioral andhormonal mechanisms by which, as has beenobserved, low-aggression mice achieve adominant status when brought into situationswhere they compete for territory withhigh-aggression mice? Finally, what are thesocial and neurochemical mechanisms by whichhigh-aggression mice can develop low-aggressionbehavior if brought out of isolation and intogroups?Maternal separation was found to lead todecreases in stress levels, as measured bycorticosterone, in the low-aggression but notthe high-aggression, mice – presumably becauseof the surplus of maternal care the pupsreceive on returning to the nest. When alow-aggression mouse became dominant and ahigh-aggression mouse became submissive, theirusual pattern of corticosterone andtestosterone levels was found to be reversed. The change to low-aggression behavior inhigh-aggression mice switching from anisolation condition to a group condition, wasmediated by a decrease in D 1 dopaminereceptor densities.These results, like the ones on which theybuild, argue for substantial developmentalinfluences in expressions of the genesinfluencing aggressive or cooperative behavior. In this approach to evolution, epigenesis istreated not as a set of traits and behaviorspredetermined by the genome, but as a set ofprobabilistic tendencies toward certain traitsand behaviors. (shrink)

The U.S. healthcare system has been subject to unprecedented scrutiny over the past three years; one of the results of this scrutiny has been recognition of the serious problems that exist in both healthcare delivery and reimbursement mechanisms. While the verbal debate in Washington has essentially ceased, within the healthcare community a historic shift has taken place in the way healthcare reimbursement is structured: increasingly, traditional fee-for-service reimbursement methods are being replaced with capitation reimbursement methods. While this phenomenon originated on (...) the West Coast, it has spread to all geographic sectors of the United States in varying degrees and can be expected to dominate the funding patterns of healthcare over the next decade. (shrink)

In Russia a monotheism - Orthodox Christianity - and atheism in its Marxist version have succeeded each other as state systems of rites and representations. Rather than contrasting one with the other, term with term, this paper proposes to bring in a third term: the local religious systems of Russia’s animist minorities. We examine how Christianity and atheism tried one after the other to get established there and also consider the reactions they encountered. The analysis as planned is undertaken on (...) two levels: on an overall level we look at the strategies and aims of the state and its representatives, and on the local level - illustrated by the particular example of the Nenets - concrete and always specific mechanisms are presented, which application of general policy has implemented on the ground. (shrink)

Numerous countries are heading toward digital infrastructures. In particular this new technology promises to help support methods for elections. However, one should be careful that such an infrastructure does not hinder the voting and representation issues. On the contrary, it should support those issues and help citizens have a clearer picture of the underlying mechanisms. This paper deals with the limits of voting procedures as they are described in classical collective choice theory and reflects on ways to aggregate electronic votes (...) stemming from various individuals that would be at the same time democratic, decisive and rational which is not feasible when candidate rankings alone are taken into account. This paper shows how electronic voting procedures could improve the situation by introducing preference-based votes. (shrink)

Why Tarde is interested by Leibnitz’s monads ? That they come to make in the analysis of the social field ? The concept of monad, be necessary as a refutation of the slowness of the Cartesian mechanism. By vitalism immanent in the nature, the monadology distinguishes itself from any atomism. By considering that « The material is spirit, anything more » Tarde understands that any thing is already a society, showing a social link between the differences which it associates. All (...) is political in the composition of the least particle ; a molecular politics which spatters on the society, to undo the macroscopic forms of power. Where from the idea of one biopower. There are no cuts between technical production and natural generation. The machine which is not reduced in mechanics carries in him ecological affinities. (shrink)

A new event is defined as an intervention in the time reversible dynamical trajectories of particles in a system. New events are then assumed to be quantum fluctuations in the spatial and momentum coordinates, and mental action is assumed to work by ordering such fluctuations. It is shown that when the cumulative values of such fluctuations in a mean free path of a molecule are magnified by molecular interaction at the end of that path, the momentum of a molecule can (...) be changed from its original direction to any other direction. In this way mental action can produce effects through the ordering of thermal motions. Examples are given which show that the ordering of 10^4 10^5 molecules is sufficient to (a) produce detectible PK results and (b) open sufficient ion channels in the brain to initiate a physical action. The relationship of the above model to the arrow of time is discussed. (shrink)

Amidst the many brain events evoked by a visual stimulus, which are specifically associated with conscious perception, and which merely reflect non-conscious processing? Several recent neuroimaging studies have contrasted conscious and non-conscious visual processing, but their results appear inconsistent. Some support a correlation of conscious perception with early occipital events, others with late parieto-frontal activity. Here we attempt to make sense of those dissenting results. On the basis of a minimal neuro-computational model, the global neuronal workspace hypothesis, we propose a (...) taxonomy which distinguishes between vigilance and access to conscious report, as well as between subliminal, preconscious and conscious processing. We suggest that these distinctions map onto different neural mechanisms, and that conscious perception is systematically associated with a sudden surge of parieto-frontal activity causing top-down amplification. (shrink)

Berichte zur Wissenschaftsgeschichte, EarlyView.

Foundation for a conversation on ethics -- Introduction -- What are ethics? -- Why do people act unethically? -- Understanding why and how we do what we do -- Dispositional factors influencing ethical decisions -- Psychological processes and mechanisms -- Justifications that allow immoral behavior -- Situational factors influencing ethical decisions -- Recalibrating your moral compass -- Expanding your lens -- Changing your lens and learning to re-engage -- Applying what you've learned -- Guided practice with case studies.

A work of art can be defined as a section of space that has been assigned a particular status. It is not our intention to define this status—philosophical aesthetics has been addressing this issue for centuries. Rather, we aim to pinpoint the mechanisms in virtue of which this section of space is isolated and bestowed with the status in question. Such a move requires the action of a certain instance—hence the emphasis we put on the interactive character of the process. (...) We shall pay particular attention to the type of sign called ‘index,’ which plays a pivotal role in this affair. (shrink)

Following up on previous results by Falmagne, this paper investigates possible mechanisms explaining how preference relations are created and how they evolve over time. We postulate a preference relation which is initially empty and becomes increasingly intricate under the influence of a random environment delivering discrete tokens of information concerning the alternatives. The framework is that of a class of real-time stochastic processes having interlinked Markov and Poisson components. Specifically, the occurence of the tokens is governed by a Poisson process, (...) while the succession of preference relations is a Markov process. In an example case, the preference relations are the various possible semiorders on the set of alternatives. Asymptotic results are obtained in the form of the limit probabilities of any semiorder. The arguments extend to a much more general situation including interval orders, biorders and partial orders. The results provide (up to a small number of parameters) complete quantitative predictions for panel data of a standard type, in which the same sample of subjects has been asked to compare the alternatives a number of times. (shrink)

It is often assumed that in the collapse of the Aristotelian distinction between art and nature that results from the rise of mechanical philosophies in the early modern period, the collapse falls on the side of art. That is, all of the diversity among natures that was explained previously as differences among substantial forms came to be seen simply as differences in arrangements of matter according to laws instituted by the “divine artificer”, God. This paper argues that, for René Descartes, (...) the collapse occurs on both sides. Natures are artefacts of God, and human artefacts, under some conditions, can be classified as natures or, at least, continuous within nature. Drawing on developments across both horticulture and engineering in the 16th and 17th centuries, as well as Descartes’ mechanical philosophy, this paper explores challenges to the Aristotelian nature/art distinction. The question then is what, in the advent of this collapse, are human artificers doing when they construct artefacts? Are they replicating God’s powers by creating new natures, or are they doing something else, and if so, what might that be? It is argued that we should view human invention for Descartes not as creating new natures so much as discovering them. These findings have consequences for how we interpret Descartes’ use of the term “nature” in relation to automata and other artefacts produced by human hands. (shrink)

The aim of this paper is to address, from a fresh perspective, the question of whether Newtonian mechanics can legitimately be regarded as a limiting case of the special theory of relativity, or whether the two theories should be deemed so radically different as to be incommensurable in the sense of Feyerabend and Kuhn. Firstly, it is argued that focusing on the concept of mass and its transformation across the two varieties of mechanics is bound to leave the issue unsettled. (...) On the one hand, the idea of a speed-dependent ‘relativistic mass’, which has been invoked in support of incommensurability claims, results from a particular, often innocuous but unnecessary and inappropriate reading of certain basic formulae. On the other hand, the existence of an invariant rest mass in STR does not warrant its identification with the Newtonian mass, be it in a suitable limit. This invariant notwithstanding, those who follow Feyerabend and Kuhn can still uphold their views with regard to the two theories. It is shown, however, that the two mechanics embody relativistic frameworks that are direct consequences of the same set of assumptions. As a result, if Newton’s mechanics cannot simply be regarded as a limiting case of STR, the possibility of ‘recovering’ from the latter some elements of the former can be traced to a common source, belying claims of logical disconnection between the two theories. (shrink)

The main thesis defended in this dissertation is that culture makes a difference. It is argued that this is so because culture evolves just as species do. It is maintained that if one views culture as an evolving system, then this has some fundamental conceptual, ontological, and explanatory implications. Specifically, construing culture as an evolving system leads one to explain cultural phenomena and behaviors differently from alternative theories. Hence, this thesis is devoted to laying the foundations for a satisfactory theory (...) of cultural evolution. Chapter 1 explains the conditions under which culture can be seen as evolving and attempts to clarify the structure of a theory of cultural evolution. Chapter 2 stresses the kind of explanatory work that a theory of cultural evolution is capable of doing by developing an approach to explanation called explanatory pluralism. Chapter 3 argues that a theory of cultural evolution must include an account of cultural fitness. A multidimensional approach to cultural fitness is put forth and the function and explanatory utility of this approach are stressed. Then chapter 4 addresses the question of whether there is such a thing as cultural selection. It is argued that though culture is no doubt selective, there is not one selection mechanism driving cultural evolution. Rather, it is claimed that the evolution of culture has been the evolution of a multitude of selection mechanisms. Chapter 5 concludes by pointing out another interesting consequence of culture, namely, that it may favor the evolution of altruism and maladaptive traits. (shrink)

This study investigates how lack of perceived organizational integrity by managers negatively affects bottom-up improvement-oriented behaviors at lower hierarchical levels. It is expected that expressions of tyrannical leadership by the manager, a self-serving type of leadership, will mediate the relation between POI and job improvement behaviors. Further, this study investigates the role of mimicry of manager behaviors and of other supervisor’s responses to understand how manager tyrannical leadership effect is carried through to the lowest level. Our initial postulate is that (...) non-mimicry provides complex social cues for employees. Following social information processing theory, we expect that incoherent cues increase the salience and negative effects of managers’ tyrannical leadership on job improvement. A three-level study was conducted following a questionnaire survey in a large public safety organization. Participants included 34 managers, 129 supervisors, and 620 employees. Results of multilevel analyses revealed that lack of perceived integrity and tyrannical leadership at the managerial level have far-reaching effects on job improvement at the lowest level. Further, it indicates that the supervisors’ responses at the intermediate level are important mechanisms to understand how the negative effects from the managerial level are transmitted to the employee level. (shrink)

The war against terrorism enables the implementation of techniques of exception at all stages of judicial proceedings in criminal cases, front the initiation of a lawsuit to the verdict. It thus puts into question the constitutional mechanisms intended for the protection of privacy. The type of incrimination specific w the accusation of terrorism has created a specifically political crime, i.e., the intention to exert art inappropriate form of pressure on a government or an international organization. It serves as the means (...) for a preventive attack on any process of class recomposition. We thus are witnessing a suspension of the law, which is paradoxically inscribed within the law and belongs to a new legal or juridical order. This amounts to the end of the twofold dimension of the Western legal system as we have known it, namely, the separation between rule of law within and pure violence on the external level. The present imperial organization knowns no externality pure violence has been reinserted at its heart and now belongs to the rule of law. Hence the State of exception as the form of government of the Empire appears above all to be a transitional phase, a tool in the process of installing a more stable form: dictatorship. The end of the formal separation of powers as well as the legal prerogatives appropriated by the executive branch show that this process is well underway. (shrink)

Dans un texte désormais célèbre, Ferdinand de Saussure insiste sur l’arbitraire du signe dont il vante les qualités. Toutefois il s’avère que le symbole, signe non arbitraire, dans la mesure où il existe un rapport entre ce qui représente et ce qui est représenté, joue un rôle fondamental dans la plupart des activités humaines, qu’elles soient scientifiques, artistiques ou religieuses. C’est cette dimension symbolique, sa portée, son fonctionnement et sa signification dans des domaines aussi variés que la chimie, la théologie, (...) les mathématiques, le code de la route et bien d’autres qui est l’objet du livre La Pointure du symbole. -/- Jean-Yves Béziau, franco-suisse, est docteur en logique mathématique et docteur en philosophie. Il a poursuivi des recherches en France, au Brésil, en Suisse, aux États-Unis (UCLA et Stanford), en Pologne et développé la logique universelle. Éditeur-en-chef de la revue Logica Universalis et de la collection Studies in Universal Logic (Springer), il est actuellement professeur à l’Université Fédérale de Rio de Janeiro et membre de l’Académie brésilienne de Philosophie. SOMMAIRE -/- PRÉFACE L’arbitraire du signe face à la puissance du symbole Jean-Yves BÉZIAU La logique et la théorie de la notation (sémiotique) de Peirce (Traduit de l’anglais par Jean-Marie Chevalier) Irving H. ANELLIS Langage symbolique de Genèse 2-3 Lytta BASSET -/- Mécanique quantique : quelle réalité derrière les symboles ? Hans BECK -/- Quels langages et images pour représenter le corps humain ? Sarah CARVALLO Des jeux symboliques aux rituels collectifs. Quelques apports de la psychologie du développement à l’étude du symbolisme Fabrice CLÉMENT Les panneaux de signalisation (Traduit de l’anglais par Fabien Shang) Robert DEWAR Remarques sur l’émergence des activités symboliques Jean LASSÈGUE Les illustrations du "Songe de Poliphile" (1499). Notule sur les hiéroglyphes de Francesca Colonna Pierre-Alain MARIAUX Signes de vie Jeremy NARBY Visualising relations in society and economics. Otto Neuraths Isotype-method against the background of his economic thought Elisabeth NEMETH Algèbre et logique symboliques : arbitraire du signe et langage formel Marie-José DURAND – Amirouche MOKTEFI Les symboles mathématiques, signes du Ciel Jean-Claude PONT La mathématique : un langage mathématique ? Alain M. ROBERT. (shrink)

It is important for the materialist historian, in the most rigorous way possible, to differentiate the construction of a historical state of affairs from what one customarily calls its "reconstruction." The "reconstruction" in empathy is one- dimensional. "Construction" presupposes "destruction." Almost fourteen years after the death of Jacques Derrida, the least one can say is that his inheritance is as contested and fraught with rivalries, rejections, and appropriations as at the time of the flowering of Deconstruction in American universities in (...) the seventies and eighties. A halt was observed in 1988-89 after the posthumous revelations about Paul de Man's past in Belgium and Derrida's embattled defense of his friend. Today, in France, one often hears that "Derrida a fait l'Ecole mais n'a pas fait ecole," meaning that Derrida passed the entrance examination of the prestigious Ecole Normale Superieure where he taught for a long time, where he met Paul Celan, Louis Althusser, Michel Foucault and many other luminaries, whereas he never had a real "school" in France-no real institutional backing beyond the various Parisian places at which he taught later, or those that he founded like the College de Philosophie; his following constituted of young philosophers, only a few of whom became university professors in their turn and disseminated his teachings. However, the mechanisms of power within the French university remained closed to Derrida until the end; besides, he wanted to prevent the stereotyped reproduction currently observed from master to disciple. (shrink)

This paper takes place inside the theoretical frame restored after that the false secular Bortkiewicz-debate around the transformation problem has been solved in the years 1990 and whose flaw had not been identified for ages by most of Marxist economists, accepting its double accountancy of prices’ in money prices and workhours “prices”. Beyond the re-identification of finite values and prices, this paper aims at showing that, going back to a concept of value as an infinite working process which unifies money, (...) time and work, machinery not only devoids every particular work of any peculiarity, but also its time, reduced to the mechanical clock movement. Once such spatialization of time occurs, succession dominates duration instead of the other way round. Time is not the time of any living movement any longer, but merely corresponds to locomotion. Hence, money as a mathematical real, is not neither quantity of anything, but pure number. Money and clock time made identical as empty numbers identify into value with devoiced work, reduced to mere, or pure, unqualified effort.work becomes real abstraction by making the real still more adequate to itself, i.e., work still simpler abstract work induces simple work. (shrink)