Misunderstanding of the dynamical behavior of the ventilatory system, especially under assisted ventilation, may explain the problems encountered in ventilatory support monitoring. Proportional assist ventilation (PAV) that theoretically gives a breath by breath assistance presents instability with high levels of assistance. We have constructed a mathematical model of interactions between three objects: the central respiratory pattern generator modelled by a modified Van der Pol oscillator, the mechanical respiratory system which is the passive part of the system and a controlled ventilator (...) that follows its own law. The dynamical study of our model shows the existence of two crucial behaviors, i.e. oscillations and damping, depending on only two parameters, namely the time constant of the mechanical respiratory system and a cumulative interaction index. The same result is observed in simulations of spontaneous breathing as well as of PAV. In this last case, increasing assistance leads first to an increase of the tidal volume (VT), a further increase in assistance inducing a decrease in VT, ending in damping of the whole system to an attractive fixed point. We conclude that instabilities observed in PAV may be explained by the different possible dynamical behaviors of the system rather than changes in mechanical characteristics of the respiratory system. (shrink)

Widespread preservation of fossilized biomolecules in many fossil animals has recently been reported in six studies, based on Raman microspectroscopy. Here, we show that the putative Raman signatures of organic compounds in these fossils are actually instrumental artefacts resulting from intense background luminescence. Raman spectroscopy is based on the detection of photons scattered inelastically by matter upon its interaction with a laser beam. For many natural materials, this interaction also generates a luminescence signal that is often orders of magnitude more (...) intense than the light produced by Raman scattering. Such luminescence, coupled with the transmission properties of the spectrometer, induced quasi‐periodic ripples in the measured spectra that have been incorrectly interpreted as Raman signatures of organic molecules. Although several analytical strategies have been developed to overcome this common issue, Raman microspectroscopy as used in the studies questioned here cannot be used to identify fossil biomolecules. (shrink)

There is growing interest for implementing tools to monitor cognitive performance in naturalistic work and everyday life settings. The emerging field of research, known as neuroergonomics, promotes the use of wearable and portable brain monitoring sensors such as functional near infrared spectroscopy (fNIRS) to investigate cortical activity in a variety of human tasks out of the laboratory. The objective of this study was to implement an on-line passive fNIRS-based brain computer interface to discriminate two levels of working memory load during (...) highly ecological aircraft piloting tasks. Twenty eight recruited pilots were equally split into two groups (flight simulator vs. real aircraft). In both cases, identical approaches and experimental stimuli were used (serial memorization task, consisting in repeating series of pre-recorded air traffic control instructions, easy vs. hard). The results show pilots in the real flight condition committed more errors and had higher anterior prefrontal cortex activation than pilots in the simulator, when completing cognitively demanding tasks. Nevertheless, evaluation of single trial working memory load classification showed high accuracy (>76%) across both experimental conditions. The contributions here are two-fold. First, we demonstrate the feasibility of passively monitoring cognitive load in a realistic and complex situation (live piloting of an aircraft). In addition, the differences in performance and brain activity between the two experimental conditions underscore the need for ecologically-valid investigations. (shrink)

After spinal cord injury (SCI), motoneuron death occurs at and around the level of injury which induces changes in function and organization throughout the nervous system, including cortical changes. Muscle affected by SCI may consist of both innervated (accessible to voluntary drive) and denervated (inaccessible to voluntary drive) muscle fibers. Voluntary activation measured with transcranial magnetic stimulation (VATMS) can quantify voluntary cortical/subcortical drive to muscle but is limited by technical challenges including suboptimal stimulation of target muscle relative to its antagonist. (...) The motor evoked potential (MEP) in the biceps compared to the triceps (i.e., MEP ratio) may be a key parameter in the measurement of biceps VATMS after SCI. We used paired pulse TMS, which can inhibit or facilitate MEPs, to determine whether the MEP ratio affects VATMS in individuals with tetraplegia. Ten individuals with tetraplegia following cervical SCI and ten non-impaired individuals completed single pulse and paired pulse VATMS protocols. Paired pulse stimulation was delivered at 1.5, 10, and 30 ms inter-stimulus intervals (ISI). In both the SCI and non-impaired groups, the main effect of the stimulation pulse (paired pulse compared to single pulse) on VATMS was not significant in the linear mixed-effects models. In both groups for the stimulation parameters we tested, the MEP ratio was not modulated across all effort levels and did not affect VATMS. Linearity of the voluntary moment and superimposed twitch moment relation was lower in SCI participants compared to non-impaired. Poor linearity in the SCI group limits interpretation of VATMS. Future work is needed to address methodological issues that limit clinical application of VATMS. (shrink)

Cet article examine la question de l’attention dans son rapport à l’admiration, dont le traitement fait apparaître de profondes divergences entre les Passions de l’âme et l’ Éthique. Dans Les Passions de l’âme, Descartes propose une genèse passionnelle de l’attention, dont la destination gnoséologique est assurée par un acte de la volonté qui transcende les perceptions de l’âme. À l’inverse, dans l’ Éthique, la connaissance ne dépend pas de l’exercice d’une faculté autonome, elle est immanente à l’ordre des idées, ce (...) à quoi l’admiration fait irréductiblement obstacle. La critique spinoziste de l’admiration s’accompagne alors d’une refonte du statut de l’attention et repose sur la critique de la partition cartésienne des facultés de l’âme. Nous montrerons néanmoins que l’attention a une fonction positive sous la forme d’une présence à soi de l’esprit qui veille à l’enchaînement en lui des idées vraies. (shrink)

Qu'est-ce que la 'déconstruction'? Quelles sont les origines philosophiques de ce mot magique, brandi par tous ceux dont le but, déclaré ou non, est de criminaliser l'Occident en le réduisant à une expression du racisme, de l'esclavagisme, de l' 'hétéro-patriarcat' et de l'impérialisme colonial? Cette civilisation redoutable dont les proies seraient les peuples dominés, racisés, opprimés, et les minorités essentialisées en tant que victimes systémiques? Ainsi la civilisation occidentale se trouve-t-elle convoquée devant un nouveau grand Tribunal de l'Histoire pour répondre (...) de ses crimes, imaginaires ou réels, et, surtout, elle est la seule civilisation à être mise au banc des accusés. Au croisement de la recherche universitaire et du militantisme politique, le décolonialisme, l'intersectionnalité, la 'théorie critique de la race', la 'théorie queer', la 'théorie du genre', mais aussi le 'wokisme', né d'une corruption idéologique de l'antiracisme et du féminisme importée des campus étatsuniens, se sont peu à peu diffusés dans les médias et dans la société tout entière grâce à une propagande violente et culpabilisante puisant dans un imaginaire victimaire. Dans ce livre incisif et documenté, qui part d'une réflexion sur la pensée de Nietzsche et sur ses mésusages par les disciples français de Heidegger, Pierre-André Taguieff analyse ces théories aussi foisonnantes qu'inconsistantes et dénonce l'émergence de ce nouvel esprit totalitaire qu'il faut se garder de réduire à ses effets les plus médiatisés, comme ces 'déboulonnages' spectaculaires illustrant la violence purificatrice de la 'cancel culture'. De fait, ce néo-puritanisme obscurantiste, inquisitorial et punitif représente, dans les démocraties occidentales, un défi majeur pour les défenseurs de la liberté d'expression, de pensée et de création."--Back cover. (shrink)

Suivant le fil directeur du temps, cet ouvrage met au jour la manière dont l'admiration est devenue un problème philosophique central à l'âge classique et examine les différentes conceptions dont elle fait l'objet chez les principaux penseurs de la seconde moitié du XVIIe siècle.

Les réseaux et systèmes d’information jouent un rôle essentiel dans la société. Un ensemble de dispositions visent à assurer leur sécurité a été adopté. L’objectif est de prévenir les cyber-risques. Pour cela, les opérateurs sont tenus de mettre en place des mesures techniques et organisationnelles adaptées aux risques posés par les réseaux et systèmes d’information, les produits, services et processus numériques. À partir de l’ensemble de ces dispositions, il est possible de découvrir un devoir général de sécurité numérique.

Comment devient-on philosophe? Par quel sursaut un Aristoclès se fait-il Platon, jusqu'à s'imposer dans la liste des " auteurs philo " Il faut enquêter, non pas sur la vie privée, mais sur la vie intime : rumination intellectuelle, ton sur lequel on parle, motivations amoureuses... Ce qui fait un philosophe, c'est un immense travail sur soi, et la rencontre d'autres philosophes, vivants, de leurs problématiques. Mémoire sémantique + obsession métaphysique, voilà le code génétique du philosophe. Il débute par un attentat (...) religieux, puisqu'il commence sa carrière en niant tel ou tel sacré. Bien sûr, il vaut mieux être mâle, communiquer par les livres adopter la langue dominante, écrire quand on est célibataire. Comment gagner sa vie? Pas forcément en étant enseignant, comme c'est le cas aujourd'hui. Le profil du philosophe nous le révèle orphelin, vivant à l'étranger, souvent laid, jamais fou, et serial thinker, prêt à changer de philosophie pourvu qu'il reste, lui, à menacer le monde donnera ou donnera pas du sens à notre vie? Le philosophe est l'être inquiet qui pense inquiéter l'Être par deux trois mots bien aiguisés. (shrink)

Les études réunies ici témoignent de la découverte de la philosophie analytique par les philosophes français de l’après-guerre : dans les années 1950, Pierre Hadot fut en effet l’un des premiers à s’intéresser aux rapports entre logique et langage dans la pensée de Wittgenstein. Ces études pionnières sont suivies d’une lettre d’Elisabeth Anscombe à Pierre Hadot, et de la traduction d’un texte de Gottfried Gabriel sur la signification de la forme littéraire chez Wittgenstein.

There is widespread and growing concern among U.S. consumers about the treatment of farmed animals, and consumers are consequently paying attention to food product labels that indicate humane production practices. However, labels vary in their standards for animal welfare, and prior research suggests that consumers are confused by welfare-related labels: many shoppers cannot differentiate between labels that indicate changes in the way animals are raised and those that do not. We administered a survey to 1,000 American grocery shoppers to better (...) understand the extent to which consumers purchase and pay more for food with certain labels based on an assumption of welfare improvement. Results showed that 86% of shoppers reported purchasing at least one product with the following labels in the last year: “cage or crate-free”, “free-range”, “pasture-raised”, “natural”, “organic”, “no hormone”, “no antibiotic”, “no rBST”, “humane”, “vegetarian-fed”, “grass-fed”, “farm-raised”. Of those who purchased one of the aforementioned labels, 89% did so because they thought the label indicated higher-welfare production practices, and 79% consciously paid more for the product with the label because they thought that the label indicated better-than-standard animal welfare. However, many of these labels lack uniform standards for the production practices they represent, and some labels represent production practices that do not influence animal welfare, thus the degree of the animal welfare impact of a given label is highly variable. These results indicate that labels need to clearly and accurately specify their animal welfare benefits to improve the consumers’ ability to purchase products that align with their expectations. (shrink)

In this paper, we present a critical reflection on the concept of social capital. We argue that there is no such idea of an umbrella concept of social capital. Instead, two overarching conceptualizations of social capital exist, namely individual social capital and collective social capital. As these conceptualizations of social capital are completely different, we emphasize that studies using social capital as a theoretical lens should clarify the concept as well as be consistent in the interpretation of the concept, from (...) its definition to its methodological operationalization. In this article, we first map the two different conceptualizations of social capital. Next, these conceptualizations are illustrated with well-known teacher research studies, followed by examples of studies in which individual and collective social capital are mixed. Finally, we discuss the consequences of the use and the mix of these different conceptualizations in terms of measurement methods. Additionally, implications for teacher education are presented. (shrink)

The concepts underlying our present theoretical understanding of the radiative two-condensed-body problem in general relativity and in bimetric gravitation theory are critically reviewed. The relevance of the 1935 Einstein-Rosen “bridge” article is emphasized. The possibility (first suggested by N. Rosen, for the linearized approximation) of extending to gravity the Wheeler-Feynman time-symmetric approach is questioned.

L’un des gestes distinctifs de Cornelius Castoriadis fut de rapporter l’histoire de la philosophie à un concept de création « ex nihilo », qu’il définissait comme surgissement immotivé et irréductible de nouvelles déterminations formelles de l’être dans le temps. Cet article s’intéresse à la signification d’un tel parti pris pour l’instruction de la question cosmologique, entendue comme enquête sur les principes et le devenir de la totalité de l’être. L’auteur montre dans un premier temps comment Castoriadis a justifié sa position (...) ontologique à partir d’une réflexion sur l’histoire de la science. Il la rapporte ensuite à deux voies possibles afin de résoudre la question cosmologique : la dialectique et la complexité. Il est soutenu que l’intention de Castoriadis ne fut pas de produire une cosmologie comme telle, mais de rapporter la pratique scientifique à la création et d’expliciter les conditions de possibilité de son intellection. (shrink)

Jean-Marc Ferry stands opposed to the philosophy of Cornelius Castoriadis, claiming that it relies upon an arbitrary ontological decision. According to Ferry, Castoriadis’ philosophy does not respect the Kantian critique of reason. In this contribution, I reply to this objection. I comment on his specific methodological operation: elucidation. I show that this method does not go beyond Kantian finitude, and that it allows him to justify his ontological concepts. In the last part of this article, I interpret his method as (...) a ‘grounded constructivism’ and I explain how it contributes to those philosophical theories. (shrink)

Dans les théories esthétiques de la fin du XIXe siècle, l’exemple de l’architecture appuie une inversion progressive des hiérarchies entre le beau et l’utile, confortée par la montée des approches sociologiques et anthropologiques de l’art. Du côté des architectes, les débats sur l’origine et l’évolution des styles, depuis leurs manifestations primitives dans les industries d’art vers les formes plus évoluées de l’art monumental, infléchissent la compréhension des relations entre détermination matérielle et expression artistique.

Through a detailed re-reading of Saussure's work in the light of contemporary developments in the human, life and physical sciences, Paul Thibault provides us with the means to redefine and refocus our theories of social meaning-making. Saussure's theory of language is generally considered to be a formal theory of abstract sign-types and sign-systems, separate from our individual and social practices of making meaning. In this challenging book, Thibault presents a different view of Saussure. Paying close attention to the (...) original texts, including the Cours de Linguistic Generale, he demonstrates that Saussure was centrally concerned with trying to formulate a theory of how meanings are made. In addition to demonstrating the continuing viability of Saussure's thinking through a range of examples, Re-reading Saussure makes an important intervention in contemporary linguistic and semiotic debate. (shrink)

We contest two claims: (1) that language, understood as the processing of abstract symbolic forms, is an instrument of cognition and rational thought, and (2) that conventional notions of turn-taking, exchange structure, and move analysis, are satisfactory as a basis for theorizing communication between living, feeling agents. We offer an enkinaesthetic theory describing the reciprocal affective neuro-muscular dynamical flows and tensions of co- agential dialogical sense-making relations. This “enkinaesthetic dialogue” is characterised by a preconceptual experientially recursive temporal dynamics forming the (...) deep extended melodies of relationships in time. An understanding of how those relationships work, when we understand and are ourselves understood, when communication falters and conflict arises, will depend on a grasp of our enkinaesthetic intersubjectivity. (shrink)

This article argues that the most widely disseminated reading of Lafitte’s writings, which aligns his proposals for ‘mechanology’ with cybernetics, overlooks the broader ethical and social project to which he hoped his ideas would contribute. It is shown that the purpose of mechanology articulated by Lafitte was the development of an ethical relation to machines, a theme he developed in his later publications. It is argued that Lafitte’s position resonates with positions taken by contemporary works focused on the renewal of (...) a critical approach to the philosophy of technology, particularly those that seek to transform the relationship between humans and the natural world. (shrink)

The aim of this work is to study complex ecological models exhibiting simple dynamics. We consider large scale systems which can be decomposed into weakly coupled subsystems. Perturbation Theory is used in order to get a reduced set of differential equations governing slow time varying global variables. As examples, we study the influence of the individual behaviour of animals in competition and predator-prey models. The animals are assumed to do many activities all day long such as searching for food of (...) different types. The degree of competition as well as the predation pressure are dependent upon these activities. Preys are more vulnerable when doing some activities during which they are very exposed to predators attacks rather than for others during which they are hidden. We study the effect of a change in the average individual behaviour of the animals on interspecific relationships. Computer simulations of the whole sets of equations are compared to simulations of the reduced sets of equations. (shrink)

« La métaphysique d’Aristote n’est, au sens aristotélicien, dialectique et par là incapable de tout achèvement déductif, que parce qu’elle est une métaphysique du mouvement, c’est-à-dire de la scission. » Le propos de l’auteur est simple : sans vouloir rajouter et apporter du nouveau sur Aristote, il tente au contraire de désapprendre tout ce que la tradition a ajouté à l’aristotélisme primitif. Car l’aristotélisme que nous connaissons est surtout celui des commentateurs grecs. L’image ainsi révélée est celle d’un Aristote aporétique, (...) mais « cette voix qui parle est celle plus fraternelle qui continue de chercher en nous ce qu’est l’être et de se taire parfois ». (shrink)

Le point de vue de l'éditeurPierre Hadot, grand spécialiste de philosophie antique, fut aussi le premier, en France, à écrire sur Wittgenstein, dans une série d'articles parus de 1959 à 1962. En les lisant, on comprend ce qu'a pu représenter la découverte, pour un philosophe français, d'une pensée alors quasi inconnue, qui joua un rôle décisif dans son cheminement philosophique. On perçoit aussi une nouvelle dimension de la philosophie de Wittgenstein. Les deux premiers textes, consacrés au Tractatus logico-philosophicus, sont une (...) réflexion sur l'Indicible, à partir de la formule wittgensteinienne : " Ce qui s'exprime dans le langage, nous ne pouvons l'exprimer par le langage ". Les deux derniers, qui ont pour objet les Recherches Philosophiques, laissent entrevoir l'influence capitale qu'a eue sur Hadot la conception révolutionnaire du langage exprimée dans cet ouvrage ; les notions de jeu de langage et de forme de vie l'ont conduit à réfléchir sur la nature du discours philosophique : il n'y a pas "le" langage, ayant pour fonction de désigner des objets ou de traduire des pensées, mais des jeux de langage, destinés, entre autre, à produire un effet sur l'auditeur. Le langage philosophique devra donc être compris dans la perspective d'une activité déterminée, et comme un " exercice spirituel ". (shrink)

Les études présentées dans ce volume portent sur des sujets empruntés à des domaines très divers : ceux-ci mettent en jeu des questions concernant la vie, la réalité sociale, la connaissance dont le traitement relève en particulier des compétences de l'anthropologie, de l'histoire des sciences, de la philosophie, et même de la littérature qui s'est intéressée à sa façon à ces questions. Les traverse l'hypothèse suivante : les contenus auxquels ces questions se rapportent, si différents soient les plans sur lesquels (...) ils se situent, ont en commun de n'exister qu'"à l'essai", c'est-à-dire en cours d'élaboration, en travail, dans l'effort, à la peine, à travers des formes inachevées, donc en étant confrontés en permanence au risque de la crise, ce qui n'empêche qu'ils soient entraînés dans un élan continu sans qu'on sache où celui-ci conduit ni même s'il conduit quelque part. Or, pour rendre compte de ces réalités en devenir, marquées d'incertitude à un certain degré, le mieux était de procéder identiquement "à l'essai", en lançant une dynamique d'investigation qui ne suive pas un chemin déjà tout tracé conformément à un idéal de rectitude. De là une démarche systématiquement sinueuse, appuyée sur des lectures pratiquées comme autant d'expérimentations qui mettent à l'épreuve, cas par cas, l'hypothèse de départ telle qu'elle vient d'être évoquée. Sont ainsi esquissés, pour voir, sous réserve d'examen, les linéaments d'une philosophie pratique qui permet d'évacuer certaines alternatives traditionnelles comme celles du réel et de la pensée, du corporel et du mental, des faits et des valeurs, de la nature et de la culture, de la nécessité et de la liberté"--Page 4 of cover. (shrink)

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain (...) in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant. (shrink)

Over the last four decades, the French sociologist Pierre Bourdieu produced one of the most imaginative and subtle bodies of social theory of the postwar era. When he died two years ago, he was considered to be a thinker on a par with Foucault, Barthes, and Lacan--a public intellectual as influential to his generation as Sartre was to his. Science of Science and Reflexivity will be welcomed as a companion volume to Bourdieu's now seminal An Invitation to Reflexive Sociology (...) . In this posthumous work, Bourdieu declares that science is in danger of becoming a handmaiden to biotechnology, medicine, genetic engineering, and military research--that it risks falling under the control of industrial corporations that seek to exploit it for monopolies and profit. Science thus endangered can become detrimental to mankind. The line between pure and applied science, therefore, must be subjected to intense theoretical scrutiny. Bourdieu's goals in Science of Science and Reflexivity are to identify the social conditions in which science develops in order to reclaim its objectivity and to rescue it from relativism and the forces that might exploit it. In the grand tradition of scientific reflections on science, Bourdieu provides a sociological analysis of the discipline as something capable of producing transhistorical truths he presents an incisive critique of the main currents in the study of science throughout the past half century and he offers a spirited defense of science against encroaching political and economic forces. A masterful summation of the principles underlying Bourdieu's oeuvre and a memoir of his own scientific journey, Science of Science and Reflexivity is a capstone to one of the most important and prodigious careers in the field of sociology. (shrink)

Cet article propose une réflexion sur la manière d’appréhender, en milieu autochtone, la collecte et l’analyse des données, les deux dimensions de la recherche qui sont les plus vulnérables aux biais ethnocentriques. En optant pour une démarche qui part du point de vue des participants eux-mêmes, il est suggéré de porter un regard de l’intérieur et d’aller à la rencontre du savoir intime, culturellement et territorialement situé, afin d’éclairer les choix réflexifs et originaux que font les acteurs autochtones. Pour cela, (...) il est proposé d’opter pour l’approche biographique et d’adapter celle-ci en fonction des réalités et des demandes des partenaires de recherche autochtones. Cette adaptation doit s’effectuer à différentes étapes du processus, notamment à l’étape de l’analyse et de la valorisation des résultats. Il est notamment proposé que les récits biographiques ne devraient pas être considérés comme de simples données de terrain, mais plutôt comme un niveau d’analyse en soi et qu’à ce titre, ils devraient pouvoir avoir une existence propre, en dehors tout autant qu’au sein de la recherche. (shrink)

The aim of the article is to introduce an approach to play based on semiotics of culture and, in particular, grounded in the works and ideas of Juri Lotman. On the one hand, it provides an overview of Lotman’s works dedicated to play and games, starting from his article on art among other modelling systems, in which the phenomenon of play is treated deeply, and mentioning Lotman’s articles dedicated to various forms of play forms, such as involving dolls and playing (...) cards. On the other hand, it applies a few Lotmanian theories and ideas to playfulness in order to shed some light on this highly debated, as well as intriguing, anthropic activity. Thus, the paper approaches some of the core questions for a play theory, such as the definition of play, the cultural role of toys and playthings, the importance of unpredictability, the position held by playfulness in the semiosphere and, finally, the differences and commonalities between play and art. Lotman’s theories and works, often integrated by other existing semiotic or ludologic perspectives offer an extremely insightful and fresh take on play and illustrate the great heuristic potential of semiotics of culture. (shrink)

Language plays a central role in human life. However, the term 'language' as defined in the language sciences of the 20th century and the traditions these have drawn on, have arguably, limited our thinking about what language is and does. The two inter-linked volumes of Thibault's study articulate crucially important aspects of an emerging new perspective shift on language - the Distributed Language view - that is now receiving more and more attention internationally. Rejecting the classical view that the (...) fundamental architecture of language can be localized as a number of inter-related levels of formal linguistic organization that function as the coded inputs and outputs to each other, the distributed language view argues that languaging behaviour is a bio-cultural organisation of process that is embodied, multimodal, and integrated across multiple space-time scales. Thibault argues that we need to think of human languaging as the distinctively human mode of our becoming and being selves in the extended human ecology and the kinds of experiencing that this makes possible. Paradoxically, this also means thinking about language in non-linguistic ways that break the grip of the conventional meta-languages for thinking about human languaging. Thibault's book grounds languaging in process theory: languaging and the forms of experience it actualizes is always an event, not a thing that we 'use'. In taking a distinctively interdisciplinary approach, the book relates dialogical theories of human sense-making to the distributed view of human cognition, to recent thinking about distributed language, to ecological psychology, and to languaging as inter-individual affective dynamics grounded in the subjective lives of selves. In taking this approach, the book considers the coordination of selves in social encounters, the emergent forms of self-reflexivity that characterise these encounters, and the implications for how we think of and live our human sociality, not as something that is mediated by over-arching codes and systems, but as emerging from the endogenous subjectivities of selves when they seek to coordinate with other selves and with the situations, artefacts, social institutions, and technologies that populate the extended human ecology. The two volumes aim to bring our understanding of human languaging closer to human embodiment, experience, and feeling while also showing how languaging enables humans to transcend local circumstances and thus to dialogue with cultural tradition. Volume 1 focuses on the shorter timescales of bodily dynamics in languaging activity. Volume II integrates the shorter timescales of body dynamics to the longer cultural-historical timescales of the linguistic and cultural norms and patterns to which bodily dynamics are integrated. (shrink)

We present a dynamical model of a multi-site fishery. The fish stock is located on a discrete set of fish habitats where it is catched by the fishing fleet. We assume that fishes remain on fishing habitats while the fishing vessels can move at a fast time scale to visit the different fishing sites. We use the existence of two time scales to reduce the dimension of the model : we build an aggregated model considering the habitat fish densities and (...) the total fishing effort. We explore a regulation procedure, which imposes an average residence time in patches. Several equilibria exist, a Fishery Free Equilibria as well as a Sustainable Fishery Equilibria . We show that the dynamics depends on a threshold which is similar to a basic reproduction ratio for the fishery. When the basic reproduction ratio is less or equal to 1, one of the FFEs is globally asymptotically stable , otherwise one of the SFEs is GAS. (shrink)

Existing studies have proposed that humans preferentially memorize buildings as a collection of floors. Yet this might stem from the fact that environments were also explored by floors. We have studied this potential bias with a learning and recognition experiment. We have detected a positive influence of the learning route on spatial memory performances.

Les émotions ont un rôle important dans nos interactions sociales. Sans émotions, nous avons du mal à faire des choix. Quand notre environnement déçoit nos attentes de manière répétée, nos émotions nous signalent qu'il serait rationnel de changer nos attentes, c'est-à-dire de procéder à des révisions. Le partage des émotions, qui est la clé de notre sentiment d'appartenance à une communauté, nous amène à révéler nos valeurs, parce qu'il permet de résister face à un monde décevant. Si même une fois (...) révisées nos croyances, nos émotions se maintiennent, elles manifestent alors des attentes bien enracinées, qui sont nos valeurs réelles. Pour étudier les valeurs collectives, il faut donc étudier les émotions, la manière dont elles incitent à des révisions, et comment leur partage collectif renforce nos résistances. La rationalité morale s'appuie sur les émotions. Celles-ci sont sensibles aux détails des situations, et cette rationalité dépend des contextes, si bien qu'elle propose des arguments qui restent révisables quand le contexte change. Ne résistent à toute révision que nos sentiments d'injustice. L'originalité de ce livre est donc d'étudier les émotions et les valeurs, individuelles et collectives, dans la dynamique de leurs changements, de leurs révisions et de leurs résistances, et d'utiliser ce lien entre émotions et révisions pour mieux définir la spécificité d'une rationalité morale. (shrink)

In the present research, we validated a new scale developed from self-determination theory to assess the functional meaning of cash rewards offered in the workplace. According to SDT, rewards can take on different meanings based on the way they are perceived by individuals. In a series of three studies in different socioeconomic contexts, we replicated the two-factorial structure of the scale measuring respectively workplace cash rewards’ informative and controlling meanings. In Study 1, we validated the English version of the scale (...) by exploring and then confirming its two-factor structure with two English-speaking employee samples. We further replicated its two-factor structure in a French-speaking employee sample of employees in Study 2 and in a Greek-speaking employee sample in Study 3, allowing us to validate its French and Greek version. Results from our three studies show how distinct meanings attributed to cash rewards, i.e., informative or controlling, relate differently to autonomous and controlled forms of motivation based on SDT. These findings suggest that workplace cash rewards differently influence employees’ motivation depending on whether they are perceived as informative or controlling, thus providing empirical evidence for the theoretical and practical implications of SDT’s concept of functional meaning of cash rewards. Our research contributes to the assessment and understanding of employees’ experience of workplace cash rewards and provides empirical evidence that the concept of the functional meaning of cash rewards is a distinct concept from other money-related concepts such as subjective pay satisfaction, performance-contingent rewards, and financially contingent self-worth. (shrink)

The current study investigates classroom interactivity in L2 tertiary literature classrooms in Hong Kong and Taiwan when ESL/efl students engage with and interpret literary texts in classroom talk as a pedagogic process of text recontextualization. It proposes a more ecological-based approach to language and languaging dynamics that is complementary to current social semiotic approaches to multimodality. It also aims to open up a more embodied analysis of the meaning-making process in tertiary literature classrooms. The multimodal investigation of real-time classroom interactivity (...) based on a multi-scalar approach showcases an embodied coordination of vocalization and gesticulation as integral aspects of the dynamic whole-body sense-making activity that arises in the pedagogic process of text recontextualization. The dynamics vary from students’ solo speech in individual presentation to teacher–student interactions in group discussion and to student–student interactions in role-play. The distributed language view of first-order languaging dynamics demonstrates the embodied and distributed dimensions of the real-time classroom interactivity that couples pedagogic subjects to the affordances of their pedagogic environment. It also provides insights into the impact of pedagogic activities on the multi-scalar dynamics of the meaning-making process with reference to embodied speech–gesture coordination. The paper demonstrates the value of applying an ecologically embodied perspective to multimodal studies in classroom research and stimulates a re-thinking of some of the important aspects of classroom interactivity that have received little attention thus far. (shrink)