Deleuze’s differential ontology is a sustained attempt to think and affirm difference as opposed to the unity of identity he insists philosophical thought has tended to privilege. However, by distinguishing between three senses of identity, termed identity of the identical, same, and common, I show that, while Deleuze’s differential ontology offers a powerful critique of identity in the senses of the identical and same, at numerous points in his analysis, such as the virtual-actual movement, the transcendental conditions defining different forms (...) of thinking, and the relationship between the forms of thinking, it appears Deleuze’s affirmation of difference depends on identity in the sense of the common. Rather than using these instances to offer a critique of Deleuze’s differential ontology, I follow his exhortation to read a philosopher creatively and suggest that distinguishing between three senses of identity reveals the complexity of the difference-identity relationship and acts as a stimulus to rethinking this relationship. (shrink)

The propositional nature of human associative learning is strongly supported by studies of trace eyeblink and fear conditioning, in which awareness of the contingency of a conditioned stimulus upon an unconditioned stimulus is a prerequisite for successful learning. Studies of animal lesion and human imaging suggest that the hippocampus is critical for establishing functional connections between awareness and trace conditioning.

Decay gradients are usually drawn facing the wrong direction. Righting them emphasizes the role of stimuli that mark the response, and leads to different inferences concerning the factors controlling response–reinforcer associations. A simple model of the concatenation of stimulus traces provides some insight to the problems of impulse control relevant to ADHD.

The processing of metaphors and idioms has been the subject of neuroscientific research for several decades. However, results are often contradictory, which can be traced back to inconsistent terminology and stimulus control. In this systematic review of research methods, we analyse linguistic aspects of 116 research papers which used EEG, fMRI, PET, MEG, or NIRS to investigate the neural processing of the two figurative subtypes metaphor and idiom. We critically examine the theoretical foundations as well as stimulus control (...) by performing a systematic literature synthesis according to the PRISMA guidelines. We explicitly do not analyse the findings of the studies but instead focus on four primary aspects: definitions of figurative language and its subtypes, linguistic theory behind the studies, control for factors influencing figurative language processing, and the relationship between theoretical and operational definitions. We found both a lack and a broad variety in existing definitions and operationalisation, especially in regard to familiarity and conventionality. We identify severe obstacles in the comparability and validation potential of the results of the papers in our review corpus. We propose the development of a consensus in fundamental terminology and more transparency in the reporting of stimulus design in the research on figurative language processing. (shrink)

Background The review of human participant research by Research Ethics Committees or Institutional Review Boards is a complex multi-faceted process that cannot be reduced to an algorithm. However, this does not give RECs/ IRBs permission to be inconsistent in their specific requirements to researchers or in their final opinions. In England the Health Research Authority coordinates 67 committees, and has adopted a consistency improvement plan including a process called “Shared Ethical Debate” where multiple committees review the same project. Committee reviews (...) are compared for consistency by analysing the resulting minutes. Methods We present a description of the ShED process. We report an analysis of minutes created by research ethics committees participating in two ShED exercises, and compare them to minutes produced in a published “mystery shopper” exercise. We propose a consistency score by defining top themes for each exercise, and calculating the ratio between top themes and total themes identified by each committee for each ShED exercise. Results Our analysis highlights qualitative differences between the ShED 19, ShED 20 and “mystery shopper” exercises. The quantitative measure of consistency showed only one committee across the three exercises with more than half its total themes as top themes. The average consistency scores for the three exercises were 0.23, 0.35 and 0.32. There is a statistically significant difference between the ShED 19 exercise, and the ShED 20 and mystery shopper exercises. Conclusions ShED exercises are effective in identifying inconsistency between ethics committees and we describe a scoring method that could be used to quantify this. However, whilst a level of inconsistency is probably inevitable in research ethics committee reviews, studies must move beyond the ShED methodology to understand why inconsistency occurs, and what an acceptable level of inconsistency might be. (shrink)

The review of human participant research by Research Ethics Committees or Institutional Review Boards is a complex multi-faceted process that cannot be reduced to an algorithm. However, this does not give RECs/ IRBs permission to be inconsistent in their specific requirements to researchers or in their final opinions. In England the Health Research Authority coordinates 67 committees, and has adopted a consistency improvement plan including a process called “Shared Ethical Debate” where multiple committees review the same project. Committee reviews are (...) compared for consistency by analysing the resulting minutes. We present a description of the ShED process. We report an analysis of minutes created by research ethics committees participating in two ShED exercises, and compare them to minutes produced in a published “mystery shopper” exercise. We propose a consistency score by defining top themes for each exercise, and calculating the ratio between top themes and total themes identified by each committee for each ShED exercise. Our analysis highlights qualitative differences between the ShED 19, ShED 20 and “mystery shopper” exercises. The quantitative measure of consistency showed only one committee across the three exercises with more than half its total themes as top themes. The average consistency scores for the three exercises were 0.23, 0.35 and 0.32. There is a statistically significant difference between the ShED 19 exercise, and the ShED 20 and mystery shopper exercises. ShED exercises are effective in identifying inconsistency between ethics committees and we describe a scoring method that could be used to quantify this. However, whilst a level of inconsistency is probably inevitable in research ethics committee reviews, studies must move beyond the ShED methodology to understand why inconsistency occurs, and what an acceptable level of inconsistency might be. (shrink)

We have followed with interest the commentaries arising from Moore and Donnellys1 argument that authorities in charge of research ethics committees should focus primarily on establishing code-consistent reviews.1 We broadly agree with Savulescu’s2 argument that ethics committees should become more expert, but in a different way and for a different reason. We have recently been working with the UK Health Research Authority analysing the outcomes of their ‘Shared Ethical Debate’ exercises.3 Each ShED exercise involves the circulation of a single research (...) project to a number of RECs. The resulting minutes from each REC are compared along with the final decisions made by each REC on the project under consideration. This process was originally an administrative exercise designed to promote greater consistency among the 60 or so ethics committees that were brought under the HRA ) umbrella within the UK National Health Service. Over 20 ShEDs have been run, and although the process has significant weaknesses and has not always been run consistently, the results of the exercises are fascinating. Broadly speaking, NHS RECs have been getting more consistent over time in terms of their decision-making, but the reasons for the final decisions as described in the committee minutes continue to vary widely. Qualitative research now needs to be done to understand why different committees can have such different discussions in relation to exactly the same research project and yet come to essentially the same conclusion. As part of our analysis of the ShED data, we looked at …. (shrink)

An interdisciplinary fusion between the philosophy of science and the teaching of science can help to eradicate the disciplinary rigidity entrenched in both. In this paper I approach the history of sciencethematically, identifying general themes which transcend the boundaries of individual disciplines. Such conceptual themes can be used as a basis for an interdisciplinary introduction to university science, encouraging certain important cognitive skills not exercised during the disciplinary training emphasised in traditional approaches. Courses which teach themes such as conservation, randomness, (...) and holism/reductionism have already proved successful, and these innovations should encourage philosophers and historians to explore the exciting new possibilities which arise from stepping outside the confines of a single discipline. (shrink)

We reflect on our experience co-teaching a medical humanities elective, “Pandemics and Plagues,” which was offered to undergraduates during the Spring 2021 semester, and discuss student reactions to studying epidemic disease from multidisciplinary medical humanities perspectives while living through the world Covid-19 pandemic. The course incorporated basic microbiology and epidemiology into discussions of how epidemics from the Black Death to HIV/AIDS have been portrayed in history, literature, art, music, and journalism. Students self-assessed their learning gains and offered their insights using (...) the SALG, describing how the course enhanced their understanding of the current pandemic. In class discussions and written assignments, students paid particular attention to issues of social justice, political context, and connections between past pandemics and Covid-19. Student responses indicate enhanced understanding of the scientific and medical aspects of epidemics and also increased appreciation of the insights to be gained from the medical humanities. We discuss co-teaching the class during a real-time, twenty-four-hour-news-cycle pandemic, and the ways in which that experience underlines the value of a “critical medical humanities” approach for undergraduates. (shrink)

Je lui ai associÉ un court extrait d'une revue de questions portant sur le même thème. Implicit memory is revealed when previous experiences facilitate perf on a task that does not require conscious or intentional recollection of those expces. Explicit memory is revealed when perf on a task requires conscious recolelction of previous expces. Il s'agit de defs descriptives qui n'impliquent pas l'existence de deux systs de mÉmo sÉparÉs. Historiquement Descartes est le premier ˆ faire mention de phÉnomènes de mÉmo (...) implicites, Leibniz, Maine de Biran, Bergson en ont Également parlÉ. Korsakoff (1889) avec ses travaux sur les amnÉsiques montre qu'ils sont capables d'utiliser de l'info qu'ils ont acquises dans des Épisodes rÉcents sans pour autant manifester le moindre souvenir de l'Épisode. L'interprÉtation de ces phÉnomènes Était alors que ça renvoyait ˆ des traces en mÉmoire trop tÉnues pour accèder jusqu'au champ de la conscience. Cette interprÉtation va pouvoir être ÉcartÉe par les travaux rÉcents. Thorndike a Également conduit un nbre important de travaux sur MI. Les trauvaux un peu plus rÉcents ont montrÉ qu'un apprentissage antÉrieur pouvait faciliter une perfce sans qu'il y ait ref explicite à l'Épisode d'apprentissage. On a montrÉ aussi l'effet de stimuli subliminaux, qui en tant que tels ne peuvent pas être rappelÉs consciemment, mais qui influencent la conduite ou les jugts ultÉrieurs. Par ex, la prÉsentation de formes sur des temps très courts qui excluent la possibilitÉ d'une perception consciente influence significativement lechoix de formes dans une pÉreuve ultÉrieure de choix forcÉs où les sjts doivent indiquer la forme qu'il prÉfère entre deux. Ils choisissent prÉfÉrentiellement celles qui leur ont ÉtÉ prÉsentÉes de manière subliminale. De même Bargh et al. ont montrÉ que des sjts soumis de manière subliminale ˆ des mots hostiles portent ultÉrieurement des jugts plus nÉgatifs sur une personne target. Il ya Également eu des travaux sur l'apprsge ou le condt without awareness en particulier apprsge implicite de règles de grammaire (ie le sjt peut construire de nouvelles phrases conformes ˆ la syntaxe de celles qui lui ont ÉtÉ prÉsentÉes sans pour autant petre capables d'noncer les règles de grammaire qu'il utilise) Rem: N'est ce pas un pbe de typemÉtacognition??? Enfin, tous les travaux sur le priming sont des elts en faveur de MI: Facilitation in the processing of a stimulus as a function of a recent encounter with the same stimulus. Type de perfce sur lesquels les effets de priming ont ÉtÉ dÉmontrÉs: -T‰ches de dÉcision lexicale: Le sjt doit dire si la cha"ne de caractères qu'on lui prÉsente est un mot ou pas: Le temps de latence est beaucoup plus court si la cha"ne a dÉjˆ ÉtÉ prÉsentÉe une première fois. -Mesures de temps d'identification de mots en rpÉsentation tachitoscopiques -ComplÉmentation de mots: les sjts ont tendance ˆ complÉter pour crÉer les mots qui leur ont ÉtÉ prÉsentÉs antÉrieurement. L'intÉrêt pour le paradigme de priming se retouve chez les gens qui s'intÉressent ˆ: -reconnaissance de mots et organisation lexicale. les effets de priming permettent de faire des hyps sur l'accès lexical et la reprÉsentation. -M. Épisodique: travux sur les amnÉsiques qui ne se souviennent pas qu'on vient de leur prÉsenter des mots mais qui manifestent une mÉmoire implicite lorsqu'on leur fait faire de la complÉmentation de mots. DISSOCIATION ENTRE M.I. ET M EXPLICITE 1-Si de nombreux travaux montrent que la M explicite est influencÉe par le travail d'Élaboration (profondeur de traitement) en jeu pendant la première phase d'Étude des stimuli, il semble que la MI ne le soit pas. 2-Le changt de modalitÉ (par ex auditif -> visuel) entre la phase d'Étude et la phase de test provoque une attÉnuation importante de l'effet de priming si le test est un test de MI mais pas si c'est un test de ME. 3-Les effets de primings persistent assez largement sur plusieurs jours ce qui n'est pas le cas des perfces ˆ une Épreuve de reconnaissance. 4-Les perfces sur des tests de MI ne semblent pas influencÉes par des manipulations d'interfÉrences proactives ou rÉtroactives dont on sait qu'elles influencent les perfces en ME. 5-Absce de corrÉlation entre perfces ˆ des tests de reconnaissance et perfces ˆ une Épreuve de complÉmentation de mots. SIMILARITES ENTRE PRIMING ET REMEMBERING 1- A certaines conditions les durÉes de rÉtention on des effets parallèles sur les effets de priming et les mesures de ME (REm: en partie contradictoire avec 3 ci dessus) 2-La manipulation du contexte de la liste lors de la phase d'Étude affecte ˆ la fois les perfces en reconnaissance et en identification de mots. 3- ME et MI sont influencÉes par des associations nouvellement acquises entre des paires de mots non reliÉes (Rem: contradictoires avec 4 ci dessus ??) 4- Rem: Le contraire de 1 du pt "dissociation" !!!! dans une manip particulière 5-Johnston et al. ont montrÉ que des mots identifÉs plus rapidement Étaient plus svt jugÉs comme 'old' dans une t‰che de reconnaissance que les mots identifiÉs plus lentement. Il n'est pas exclu que les phÉnomènes que l'on interprètent comme relevant de MI soient parfois de la ME involontaire cad des cas o les cues fournis dans le test conduisent ˆ un souvenir involontaire mais totalement conscient. LES INTERPRETATIONS THEORIQUES DE MI 1-Les effets de priming sur des test de MI sont attribuables ˆ l'activation temporaires de reprÉsentations ou structures de K prÉ-existantes . Cette activation est supposÉe avoir lieu de manière automatique, indÉpendamment des processus d'Élaboration nÉcessaires pour Établir de nouvelles traces Épisodiques. 2- les difÉrences entre ME et MI sont dues ˆ la nature et aux relations entre les processus d'encodage et de rÉcupÉration. Une version de cette approche est celle qui s'appuie sur la distinction entre processus dirigÉs par les donnÉes et processus dirigÉs par les concepts. Ces derniers reflètent des activitÉs initiÉes par le sjt comme l'Élaboration, l'organisation et la reconstruction, c'est sur ce type de processus que reposerait la ME alors que la MI reposerait sur des processus data-driven. 3-ME et MI renvoient ˆ des systs sous jacents diffÉrents. Pour Cohen & Squire (1984), la ME est supportÉe par une M DECLARATIVE , syst qui est en jeu dans la formation de nouvelles reprÉsentations. La MI repose sur un syst PROCEDURAL dans lequel la M se manifeste par des modifications on line de procÉdures ou opÉrations de traitement. Le syst de M Épisodique est vu comme la base pour le souvenir explicite d'evts rÉcents tandis que la M sÉmantique est responsable des perfces sur des tests de MI. Chacune de ces approches est conforme ˆ certaines des donnÉes recueillies mais pas ˆ d'autres. (shrink)

The article opens (§ 1) with the paradoxical situation of philosophical anthropology between a heralded destiny of decadence (W. Schulz) and the surge of its argumentations and notions in the present-day debate on ethical themes and on the very idea of “human nature,” as well as in the redefinition of social philosophy (J. Habermas and P. Sloterdijk). It seeks, then (§§ 2-5), to trace a sort of “metaphilosophy” of philosophical anthropology, discussing the principal interpretations (H. Schnädelbach, H. Paetzold, O. (...) Marquard, W. Lepenies, etc.) that characterize it as reactive, open to a broader range of disciplines (the natural, human, social and cultural sciences) and installed in the clash between nature and history, intertwining empirical and theoretical elements and capable of providing a descriptive base for moral choices. It then takes up (§§ 6-8) the more recent perspectives of a philosophical anthropology for the twenty-first century that oscillate between its reconstruction around a strong theoretical core – excentric positionality – as a current of unitary thought and the divergent interpretation that focuses on the biopolitical approach, in order to redefine the specifically human along the vertical axis of anthropogenesis and evolutionary comparison and the horizontal axis of the analysis of diverse cultures in search of the premises of human vital practice. It concludes (§ 9) by suggesting an exploration – through the articles that follow – of the role of stimulus that philosophical anthropology and its authors play in the most disparate currents on the scene of contemporary German philosophy, such as critical theory, historical anthropology, neopragmatism, social philosophy, and the philosophy of culture. (shrink)

Psychoanalysis in Italy is a particularly diverse and vibrant profession, embracing a number of influences and schools of thought, connecting together new thinking, and producing theorists and clinicians of global renown. _Reading Italian Psychoanalysis_ provides a comprehensive guide to the most important Italian psychoanalytic thinking of recent years, including work by major names such as Weiss, E.Gaddini, Matte Blanco, Nissim Momigliano, Canestri, Amati Mehler, and Ferro. It covers the most important theoretical developments and clinical advances, with special emphasis on contemporary (...) topics such as transference, trauma and primitive states of mind where Italian work has been particular influential. In this volume, _Franco Borgogno, Alberto Luchetti_ and _Luisa Marino Coe_ of the Italian Psychoanalytical Society provide an overview of how Italian psychoanalysis has developed from the 1920’s to the present day, tracing its early influences and highlighting contemporary developments. Forty-six seminal and representative papers of psychoanalysts belonging to the two Italian psychoanalytical societies have been chosen to illuminate what is special about Italian theoretical and clinical thinking, and what is demonstrative of the specificity of its psychoanalytic discourse. The selected papers are preceded by a first introductory section about the history of psychoanalysis in Italy and followed by a "swift glance at Italian psychoanalysis from abroad". They are grouped into sections which represent the areas particularly explored by Italian psychoanalysis. Each section is accompanied by introductory comments which summarize the main ideas and concepts and also their historical and cultural background, so as to offer to the reader either an orientation and stimulus for the debate and to indicate their connections to other papers included in the present volume and to the international psychoanalytic world. The book is divided into six parts including: History of psychoanalysis in Italy Metapsychology Clinical practice, theory of technique, therapeutic factors The person of the analyst, countertransference and the analytic relationship/field Trauma, psychic pain, mourning and working-through Preverbal, precocious, fusional, primitive states of the mind This volume offers an excellent and detailed "fresco" of Italian psychoanalytic debate, shining a light on thinking that has evolved differently in France, England, North and Latin America. It is an ideal book for beginners and advanced students of clinical theory as well as experienced psychoanalysts wanting to know more about Italian psychoanalytic theory and technique, and how they have developed. (shrink)

Human vision briefly retains a trace of a stimulus after it disappears. This trace—iconic memory—is often believed to be a surrogate for the original stimulus, a representational structure that can be used as if the original stimulus were still present. To investigate its nature, a flicker-search paradigm was developed that relied upon a full scan (rather than partial report) of its contents. Results show that for visual search it can indeed act as a surrogate, with (...) little cost for alternating between visible and iconic representations. However, the duration over which it can be used depends on the type of task: some tasks can use iconic memory for at least 240 ms, others for only about 190 ms, while others for no more than about 120 ms. The existence of these different limits suggests that iconic memory may have multiple layers, each corresponding to a particular level of the visual hierarchy. In this view, the inability to use a layer of iconic memory may reflect an inability to maintain feedback connections to the corresponding representation. (shrink)

"E. B. Pashukanis was the most significant contemporary to develop a fresh, new Marxist perspective in post-revolutionary Russia. In 1924 he wrote what is probably his most influential work, The General Theory of Law and Marxism. In the second edition, 1926, he stated that this work was not to be seen as a final product but more for ""self-clarification"" in hopes of adding ""stimulus and material for further discussion."" A third edition was printed in 1927. Pashukanis's ""commodity-exchange"" theory of (...) law spearheaded a perspective that traced the form of law, not to class interests, but to capital logic itself. Until his death, he continued to argue for the ideal of the withering away of the state, law, and the juridic subject. He eventually arrived at a position contrary to Stalin's who, at that time, was attempting to consolidate and strengthen the state apparatus under the name of the dictatorship of the proletariat. Inevitably, Pashukanis was branded an enemy of the revolution in January 1937. His works were subsequently removed from soviet libraries. In 1954, Pashukanis was ""rehabilitated"" by the Soviets and restored to an acceptable position in the historical development of marxist law. In Europe and North America, a number of legal theorists only rediscovered Pashukanis's work in the late 1970s. They subjected it to careful critical analysis, and realized that he offered an alternative to the traditional Marxist interpretations, which saw law simply and purely as tied to class interests of domination. By the mid-1980s the instrumental Marxist perspective in vogue in Marxist sociology, criminology, politics, and economics gave way, to a significant extent due to Pashukanis's insights, to a more structural Marxist accounting of the relationship of law to economics and other social spheres." --Descripción del editor. (shrink)

Stanley Cavell is a leading figure in American philosophy and one of the most exhilarating and wide-ranging intellectuals of our time. In this book Espen Hammer offers a lucid and thorough account of the development of Cavell's work, from his early writings on ordinary language philosophy and skepticism to his most recent contributions to film studies, literary theory, romanticism, ethics, and politics. The book traces the many lines of skepticism occurring in Cavell's work and shows how they amount to a (...) rich and subtle picture of human subjectivity. Hammer explores Cavell's passionate engagement with Austin and Wittgenstein's visions of language, and his uncovering of conceptions of the ordinary in Emerson and Thoreau. Central sections of the book are devoted to the tragic and the comic as these modes of existence come into play in Shakespeare and Hollywood cinematic drama. In elaborating Cavell's responses to thinkers such as Heidegger, Levinas, and Derrida, the author situates Cavell's writing within the wider context of contemporary continental philosophy. Hammer clearly reveals the existential dimensions of Cavell's thought. He argues that his variant of ordinary language philosophy is a vital stimulus to self-transformation in cognitive, aesthetic, ethical, and political domains, contributing significantly to a rethinking of issues such as responsibility and autonomy, and the relationship between philosophy and literature. A critical introduction to the thought of an inordinately complex writer, this book will be of great interest to students and scholars in philosophy, literary theory, cultural theory, comparative literature, and media and cultural studies. (shrink)

Prompted by the development of the Theory of Challenge and Threat States in Athletes (Jones et al, 2009), recent years has witnessed a considerable increase in research examining challenge and threat in sport. This manuscript provides a critical review of the literature examining challenge and threat in sport, tracing its historical development and some of the current empirical ambiguities. In an attempt to reconcile some of these ambiguities, and utilising neurobiological evidence associated with approach- and avoidance-motivation (cf. Elliot & Covington, (...) 2001), this paper draws upon the Evaluative Space Model (ESM: Cacioppo et al., 1997) and considers the implications for understanding challenge and threat in sport. For example, rather than see challenge and threat as opposite ends of a single bipolar continuum, the ESM implies that individuals could be (1) challenged, (2) threatened, (3) challenged and threatened, or (4) neither challenged or threatened by a particular stimulus. From this perspective it could be argued that the appraisal of some sport situations as both challenging and threatening could be advantageous, whereas the current literature seems to imply that the appraisal of stress as a threat is maladaptive for performance. In drawing upon the ESM, we outline the Evaluative Space Approach to Challenge and Threat and provide several testable hypotheses for advancing understanding of challenge and threat (in sport). We also outline a number of cardiovascular and experiential measures that can be used to examine these hypotheses. In sum, this paper provides a significant theoretical, empirical and practical contribution to our understanding of challenge and threat (in sport). (shrink)

We discuss the evolutionary transition from animals with limited experiencing to animals with unlimited experiencing and basic consciousness. This transition was, we suggest, intimately linked with the evolution of associative learning and with flexible reward systems based on, and modifiable by, learning. During associative learning, new pathways relating stimuli and effects are formed within a highly integrated and continuously active nervous system. We argue that the memory traces left by such new stimulus-effect relations form dynamic, flexible, and varied global (...) sensory states, which we call categorizing sensory states . These CSSs acquired a function: they came to act as internal “evaluators” and led to positive and negative reinforcement of new behavior. They are therefore the simplest, distinct, first-person motivational states that an animal can have. They constitute what we call basic consciousness, and are the hallmark of animals that can experience. Since associative learning has been found in many invertebrate taxa that first appeared during the Cambrian era, we propose that the processes underlying basic consciousness are phylogenetically ancient, and that their emergence may have fueled the Cambrian explosion. (shrink)

Color experience is structured. Some ?unique? colors (red, green, yellow, and blue) appear as ?pure,? or containing no trace of any other color. Others can be considered as a mixture of these colors, or as ?binary colors.? According to a widespread assumption, this unique/binary structure of color experience is to be explained in terms of neurophysiological structuring (e.g., by opponent processes) and has no genuine explanatory basis in the physical stimulus. The argument from structure builds on these assumptions (...) to argue that colors are not properties of surfaces and that color experiences are neural processes without environmental counterparts. We reconsider the argument both in terms of its logic and in the light of recent models in vision science which point at environment-involving patterns that may be at the basis of the unique/binary structure of color experience. We conclude that, in the light of internal and external problems which arise for it, the argument from structure fails. (shrink)

We have previously shown that several brain areas are activated both during sequence learning at wake and during subsequent rapid-eye-movements (REM) sleep (Nat. Neurosci. 3 (2000) 831– 836), suggesting that REM sleep participates in the reprocessing of recent memory traces in humans. However, the nature of the reprocessed information remains open. Here, we show that regional cerebral reactivation during posttraining REM sleep is not merely related to the acquisition of basic visuomotor skills during prior practice of the serial reaction time (...) task, but rather to the implicit acquisition of the probabilistic rules that defined stimulus sequences. Moreover, functional connections between the reactivated cuneus and the striatum—the latter being critical for implicit sequence learning—are reinforced during REM sleep after practice on a probabilistic rather than on a random sequence of stimuli. Our results therefore support the hypothesis that REM sleep is deeply involved in the reprocessing and optimization of the high-order information contained in the material to be learned. In addition, we show that the level of acquisition of probabilistic rules attained prior to sleep is correlated to the increase in regional cerebral blood flow during subsequent REM sleep. This suggests that posttraining cerebral reactivation is modulated by the strength of the memory traces developed during the learning episode. Our data provide the first experimental evidence for a link between behavioral performance and cerebral reactivation during REM sleep. © 2003 Elsevier Inc. All rights reserved. (shrink)

Does motor behavior early in development have the same signatures of habituation, dishabituation, and Spencer-Thompson dishabituation known from infant perception and cognition? And do these signatures explain the choice preferences in A not B motor decision tasks? We provide new empirical evidence that gives an affirmative answer to the first question together with a unified neural dynamic model that gives an affirmative answer to the second question.In the perceptual and cognitive domains, habituation is the weakening of an orientation response to (...) a stimulus over perceptual experience. Switching to a novel stimulus leads to dishabituation, the re-establishment of the orientation response. In Spencer-Thompson dishabituation, the renewed orientation response transfers to the original stimulus. The change in orientation responses over perceptual experience explains infants' behavior in preferential looking tasks: Familiarity preference early during exposure and novelty preference late during exposure. In the motor domain, perseveration in the A not B task could be interpreted as a form of familiarity preference. There are hints that this preference reverses after enough experience with the familiar movement. We provide a unified account for habituation and patterns of preferential selection in which neural dynamic fields generate perceptual or motor representations. The build-up of activation in excitatory fields leads to familiarity preference, the build-up of activation in inhibitory fields leads to novelty preference. We show that the model accounts for the new experimental evidence for motor habituation, but is also compatible with earlier accounts for perceptual habituation and motor perseveration. We discuss how excitatory and inhibitory memory traces may regulate exploration and exploitation for both orientation to objects and motor behaviors. (shrink)

Poincaré’s conventionalism has thoroughly transformed both the philosophy of science and the philosophy of mathematics. In the former it gave rise to new insights into the complexities of scientific method, in the latter to a new account of the nature of (so-called) necessary truth. Not only proponents of conventionalism, such as the logical positivists, were influenced by Poincaré, but also outspoken critics of conventionalism, such as Quine, Putnam, and (as I will argue) Wittgenstein, were deeply inspired by conventionalist ideas. Indeed, (...) during the twentieth century, most philosophers of science and mathematics engaged in dialogue with conventionalism. As is often the case with complex ideas, there is no consensus about the meaning of conventionalism in general and Poincaré’s original version of it in particular. Nonetheless, notions such as underdetermination (of theory), empirical equivalence (of incompatible theories), implicit definition, holism, and conceptual relativity, all of which can be linked to Poincaré’s writings, have become central to philosophy. In tracing the flow of Poincaré’s ideas through the philosophical space of the twentieth century, this article emphasizes not only the stimulus provided by his actual views but also the effects of misreading and unjustified appropriation. (shrink)

This book is an unusually readable and lucid account of the development of Derrida's work, from his early writings on phenomenology and structuralism to his most recent interventions in debates on psychoanalysis, ethics and politics. Christina Howells gives a clear explanation of many of the key terms of deconstruction - including differance, trace, supplement and logocentrism - and shows how they function in Derrida's writing. She explores his critique of the notion of self-presence through his engagement with Husserl, and (...) his critique of humanist conceptions of the subject through an account of his ambivalent and evolving relationship to the philosophy of Sartre. The question of the relationship between philosophy and literature is examined through an analysis of the texts of the 1970s, and in particular Glas, where Derrida confronts Hegel's totalizing dialectics with the fragmentary and iconoclastic writings of Jean Genet. The author addresses directly the vexed questions of the extreme difficulty of Derrida's own writing and of the passionate hostility it arouses in philosophers as diverse as Searle and Habermas. She argues that deconstruction is a vital stimulus to vigilance in both the ethical and political spheres, contributing significantly to debate on issues such as democracy, the legacy of Marxism, responsibility, and the relationship between law and justice. Comprehensive, cogently argued and up to date, this book will be an invaluable text for students and scholars alike. (shrink)

The idea of genetic assimilation, that environmentally induced phenotypes may become genetically fixed and no longer require the original environmental stimulus, has had varied success through time in evolutionary biology research. Proposed by Waddington in the 1940s, it became an area of active empirical research mostly thanks to the efforts of its inventor and his collaborators. It was then attacked as of minor importance during the ‘‘hardening’’ of the neo-Darwinian synthesis and was relegated to a secondary role for decades. (...) Recently, several papers have appeared, mostly independently of each other, to explore the likelihood of genetic assimilation as a biological phenomenon and its potential importance to our understanding of evolution. In this article we briefly trace the history of the concept and then discuss theoretical models that have newly employed genetic assimilation in a variety of contexts. We propose a typical scenario of evolution of genetic assimilation via an intermediate stage of phenotypic plasticity and present potential examples of the same. We also discuss a conceptual map of current and future lines of research aimed at exploring the actual relevance of genetic assimilation for evolutionary biology. (shrink)

The question of whether non-human animals are conscious is of fundamental importance. There are already good reasons to think that many are, based on evolutionary continuity and other considerations. However, the hypothesis is notoriously resistant to direct empirical test. Numerous studies have shown behaviour in animals analogous to consciously-produced human behaviour. Fewer probe whether the same mechanisms are in use. One promising line of evidence about consciousness in other animals derives from experiments on metamemory. A study by Hampton (Proc Natl (...) Acad Sci USA 98(9):5359–5362, 2001 ) suggests that at least one rhesus macaque can use metamemory to predict whether it would itself succeed on a delayed matching-to-sample task. Since it is not plausible that mere meta-representation requires consciousness, Hampton’s study invites an important question: what kind of metamemory is good evidence for consciousness? This paper argues that if it were found that an animal had a memory trace which allowed it to use information about a past perceptual stimulus to inform a range of different behaviours, that would indeed be good evidence that the animal was conscious. That functional characterisation can be tested by investigating whether successful performance on one metamemory task transfers to a range of new tasks. The paper goes on to argue that thinking about animal consciousness in this way helps in formulating a more precise functional characterisation of the mechanisms of conscious awareness. (shrink)

Over the last decade, attention has crawled from out of the shadows into the philosophical limelight with several important books and widely read articles. Carolyn Dicey Jennings has been a key player in the attention revolution, actively publishing in the area and promoting awareness. This book was much anticipated by insiders and does not disappoint. It is in no way redundant with respect to other recent monographs, covering both a different range of material and developing novel positions throughout. The book (...) might have been called The Attending Self, since Jennings defines attention as mental prioritization controlled by the self. This invocation of the self is among her central innovations, and may prove to be the main source of controversy. I will highlight points of contention here, but want to emphasize at the outset that the book is essential reading for anyone interested in attention. Jennings also contributes to a range of other debates, which will help a broader audience appreciate the importance this topic.After a brief introduction, Jennings provides “a philosophical landscape” of attention (chap. 2), tracing the concept through history. This is an invaluable achievement that will be welcomed by both newcomers and veterans. Jennings exhibits enormous breadth, covering areas that contemporary philosophers of mind tend to neglect: medieval philosophy, Buddhist thought, and phenomenology, to name a few. We also get perspectives on attention from core figures in the Western canon, such as Descartes, Locke, and Kant, as well as thinkers who gave the topic a more political inflection: Mary Wollstonecraft and W. E. B. DuBois. Jennings surveys contemporary literature as well, locating recent work in these older lineages. Some authors get more treatment later in the book (e.g., William James and Wayne Wu). Overall, Jennings provides the best overview of this history I have seen. She proves that attention is not a new topic, but one with deep roots and one that can inform current debates; Jennings draws on these roots throughout. I would love to see a companion piece surveying scientific theories, including “gain control” and “biased competition,” which get little airtime in the book. Some recent philosophical theories are under-explored as well, including Chris Mole’s concept of cognitive unison (Jennings discusses other aspects of his view), Carlos Montemayor and Harry Haladjian’s exploration of attention’s diversity (we get a touch of this), and my own proposal that attention is a gateway to working memory (not mentioned here). That said, no extant survey is more complete.Chapter 3 begins with the empirical claim that attention is regulated by slow brainwaves, and then takes up two issues. The first is mental causation. Endorsing moderate emergentism, Jennings argues that slow brain waves are causally efficacious even though they are not reducible to lower-level processes. (The metaphysics and neuroscience are presented accessibly, aided by three appendixes.) Second, Jennings argues that these slow brain waves indicate that attention is controlled by the self. As someone who was never moved by the mental causation problem—I don’t think overdetermination threatens efficacy—I would have welcomed more development of this second issue. For one thing, in linking attention to subjective control, Jennings eschews the idea that there can be purely “bottom-up” attention driven by stimulus features alone. This goes against the orthodoxy in attention science, and makes it hard for her to accommodate phenomena such as “pop-out,” or the commonsense idea that attention can be “captured” by a sudden flash or loud sound. For another thing, I wanted to hear more on why Jennings relates slow brain waves to the self. Does this include the slow waves that occur during deep sleep? Is there even such a thing as the self? Is there one self or many? How do slow brain waves reflect our interests, projects, values, self-conceptions, autobiographical narratives, or social identities? Does the social self invoked by Wollstonecraft and DuBois gain a foothold here? The whole chapter campaigns against metaphysical reductionism, but arrives at a perspective on the self that will strike some readers as highly reductive.In the fourth chapter, Jennings sheds further light on her conjecture that attention involves the self by advancing the thesis that attention endows sensory information with meaning. On the face of it, this may sound implausible. Object recognition, reading, and many other meaning-involving processes can take place outside of attention and outside of consciousness. But Jennings has a richer notion of “meaning” in mind. She develops the idea of “subject unity,” which is imposition of structure on perception that reflects the interests of the perceiving subject. This, she claims, is what brings perception into the space of reasons. Along the way, she has interesting observations about binding, feature integration, and demonstrative reference. The material is highly original, and Jennings’s postulation of interest-based perceptual organization is compelling. At the same time, one might wonder whether interests are really relegated to the ambit of attentional control. Consider the cocktail party effect, wherein one’s own name captures attention. This implies a preattentive filter that reflects our interests. Emotionally charged words, facial expressions, and dangerous objects also work this way, and social biases can operate preattentively as well. If these reflect our interests, then meaning may arise outside attention.Jennings’s fifth chapter explores the relationship between attention and consciousness. Some authors have argued that attention is necessary and sufficient for consciousness. Jennings focuses primarily on the necessity claim. She does not systematically review the empirical literature here, but she addresses some of the key findings, and effectively rebuts studies that allege to find consciousness outside attention. She does not rest her case there, however. Instead, she identifies a new class of examples that purport to establish the possibility of consciousness without attention. Her central example she calls “conscious entrainment,” which is what we experience when engaged in habitual or skilled activities. Other possible examples touched on in the chapter include hypervigilance in individuals with attention deficit hyperactivity disorder (ADHD), passive movie watching, dreaming, and “attentional neglect.” These states all involve intense focus, Jennings admits, but not attention. To some readers this may sound contradictory. Isn’t focus a kind of attention? Don’t these states of absorption involve stimulus selection and enhancement of relevant features, suppression of distractors, and other hallmarks of attention? Jennings says none of this is tantamount to attention. Recall that she thinks attention is controlled by the self. In these cases, we are invited to imagine that the self takes a passive role: control is either ceded to the world (movie watching) or to previously mastered routines (skills and habits). Thus, Jennings’s claim that there is no attention in these cases hangs on her contentious thesis that attention requires a controlling self. One might also push back by arguing that, in some of Jennings’s allegedly selfless examples, the self remains involved. Skilled activities and hypervigilance, for example, can reflect personal interests.Skills and hypervigilance get more airtime in chapter 6. There, Jennings turns to questions of responsibility—a neglected topic in attention research. The chapter begins with a manslaughter trial in which the teenage plaintiff was given a light sentence because the judge evidently believed that the teen’s ADHD compromised his ability to control his actions. The example may be a bit triggering for people who have a personal relationship with this diagnosis, but, putting that aside, Jennings uses it to introduce the important concept of attention-based control. With reduced control, Jennings argues, comes reduced responsibility. I am inclined to see ADHD as involving dysregulation of attention (difficulty disengaging and dividing attention, for example) rather than diminished attention, but that can still be characterized as an issue with control of attention; therefore ADHD still illustrates Jennings’s point that there is a link between responsibility and control of attention. This, it turns out, is only half of her story. Having argued for this link, one might expect Jennings to follow Wayne Wu, who contends that attention is necessary for action, and hence for responsibility. She does not. Instead, she says argues that responsibility can also arise in cases of “strategic automaticity.” This brings us back to skills. When skills are deployed, action is governed by learned pairings between stimuli and responses. The choice to exercise a skill requires attention, so attention is needed for being a responsible agent, but once a skill kicks in, attention is no longer required, and one can be held responsible for actions performed skillfully—thus attention is not required for responsibility tout court. Jennings addresses an opposing view (defended by Wu, Ellen Fridland, and Barbara Montero), according to which skills involve “automatic attention” rather than no attention. Jennings worries that this move will collapse the distinction between attention and other kinds of selection and filtering that occur throughout the nervous system, including the retina. She says that the attentional interpretation of skilled action is at odds with the lack of top-down reweighing of sensory inputs, regulated by lateral frontal cortex. These objections to automatic attention warrant response. My own view is that attention involves broadcasting to working memory, so retinal filtering is ruled out. Jennings’s insistence on top-down reweighing will not move those who believe attention can be purely bottom-up. For all that, I side with Jennings in wanting to allow for responsibility without attentional control. I think we can be responsible for implicit biases, for example. I also think attentional control is insufficient for responsibility, as when we act under duress.Jennings offers fresh perspective on the nature of attention, and its role in meaningful perception, consciousness, action, and responsibility. Each chapter can be read separately, but they hang together well, and each reflects her thesis that attention is essentially linked to the self. Though I am skeptical of that strong claim, we would do well to follow Jennings in regarding attention as interest-laden interface between mind and world. I look forward to a sequel in which attention is related to richer conceptions of identity, and where the political consequences of this link are actively explored. Meanwhile, one can hardly fault Jennings for covering too little. She tackles a remarkable range of topics, from metaphysics to ethics. Her arguments throughout demand response, repay careful study, and propel the field forward. (shrink)

How do listeners experience Jazz? This is a question also about how Jazz music organizes the listening time. A classically educated listener expects a piece of music to structure, unify and thereby re-constitute the externally given time frame. Such an expectation is foreign to Jazz music which doesn’t relate the moment to a goal provided by a large scale structure. Rather, one moment is carried on to the next, preserving the stimulus potentially ad infinitum. How does such an organization (...) of time affect the large scale form? The paper tries to answer this question by analyzing two examples which permit to trace the transformation of a classical form into a form germane to Jazz music. (shrink)

This book is an unusually readable and lucid account of the development of Derrida's work, from his early writings on phenomenology and structuralism to his most recent interventions in debates on psychoanalysis, ethics and politics. Christina Howells gives a clear explanation of many of the key terms of deconstruction - including differance, trace, supplement and logocentrism - and shows how they function in Derrida's writing. She explores his critique of the notion of self-presence through his engagement with Husserl, and (...) his critique of humanist conceptions of the subject through an account of his ambivalent and evolving relationship to the philosophy of Sartre. The question of the relationship between philosophy and literature is examined through an analysis of the texts of the 1970s, and in particular Glas, where Derrida confronts Hegel's totalizing dialectics with the fragmentary and iconoclastic writings of Jean Genet. The author addresses directly the vexed questions of the extreme difficulty of Derrida's own writing and of the passionate hostility it arouses in philosophers as diverse as Searle and Habermas. She argues that deconstruction is a vital stimulus to vigilance in both the ethical and political spheres, contributing significantly to debate on issues such as democracy, the legacy of Marxism, responsibility, and the relationship between law and justice. Comprehensive, cogently argued and up to date, this book will be an invaluable text for students and scholars alike. (shrink)

Automatic detection of information changes in the visual environment is crucial for individual survival. Researchers use the oddball paradigm to study the brain’s response to frequently presented stimuli and occasionally presented stimuli. The component that can be observed in the difference wave is called visual mismatch negativity, which is obtained by subtracting event-related potentials evoked by the deviant from ERPs evoked by the standard. There are three hypotheses to explain the vMMN. The sensory fatigue hypothesis considers that weakened neural activity (...) caused by repetition results in decreased ERPs of the standard. The memory trace hypothesis proposes that vMMN results from increased responses to the deviant. The predictive coding hypothesis attributes the difference to enhanced responses for deviants and suppression for standards. However, when distinguishing between these effects, previous researchers did not consider the effect of low-level features on the vMMN. In this experiment, we used face sequences composed of different emotions and presented an oddball sequence, a reverse oddball sequence, and an equiprobable sequence to participants. The deviant of the oddball sequence was subtracted from the standard of the oddball sequence, the reverse oddball sequence, and the same type of stimulus of the equiprobable sequence to get oddball-vMMN, reverse oddball-vMMN, and equiprobable-vMMN, respectively. The results showed no significant difference between vMMN2 and vMMN3 in 100–350 ms following stimulus onset, while the vMMN effect was significant, indicating that the probability of the standard did not affect vMMN, which supported the memory trace hypothesis. Additionally, the fearful-related vMMN were more negative than the neutral-related vMMN within the range of 100–150 ms, suggesting a negative bias. We analyzed the source location of different vMMNs. There was no significant difference in brain regions between different vMMNs. Time-frequency analysis showed that the deviant had stronger theta-band oscillatory than the standard. However, there was no difference between vMORs2 and vMORs3, indicating that vMORs reflect an enhanced response to the deviant in terms of neural oscillation, supporting the memory trace hypothesis. (shrink)

The evolving field of neuroscience provides a fresh perspective for understanding and clarifying the nondualistic epistemology of Buddhist philosophy. Its egalitarian adherence to “wisdom embracing all species” required an epistemological shift beyond both egocentric and anthropocentric assumptions, outlined in such texts as the Lotus Sūtra and the Diamond Sūtra. Parallels can be drawn to the Triple Loop learning process, “an ‘epistemo-existential strategy’ for profound change on various levels.” Inherently hierarchical tendencies in Daoist and Confucian philosophies posed a challenge to the (...) egalitarian stance of Buddhist nondualism. Passages from Daoist, Confucian, and Neo-Confucian texts demonstrate the limits of Chinese nondualism. The hybrid brain cultivated through Buddhist practice was able to maintain the benefits of the task-driven dorsal attentional network, while being grounded in the stimulus-driven ventral attentional network. The Five Ranks of Chan meticulously trace the process of recognizing the nondualism of deluded mind and awakened mind. The final rank, “Unity Attained,” restores the role of allocentric attention, which has been described as “the basic simplicity of the undyed fabric,” as the default. Thus, inspired by the pedagogy of cognitive dissonance woven into Sanskrit texts, Chinese practitioners deployed their own “circuit-breakers” of ventral attention to disrupt the dogmatic “perseveration” of dorsal attention. The resulting epistemological reorientation reveals the nondualism of reality. (shrink)

Major strands of the history of scientific psychology proposed less mechanistic explanations of behavior than the “series of billiard ball reactions” that Ellis ascribes to them. I tease apart psychological systems based on hedonism and those based on stimulus-response mechanisms-and then tease apart basic hedonism and drive-reduction hedonism, to layout psychological and neuroscientific foundations for the active, dynamic, cognitive, emotive, and "spiritual" dynamics of human nature which Ellis calls us to affirm. I trace these distinctions through the drive-reduction (...) psychoanalysis of Freud, the drive-reduction behaviorism of Hull, and the non-drive-reductive hedonistic system of Skinner. Then I trace the recent neuroscience of reward and punishment circuits and putative narcissistic and altruistic circuits, to conclude that Behaviorism and Neuroscience support broad hedonistic but major non-drive-reduction motivational systems. I affirm Ellis’ contention that emotions are basically “active”, although with some caveats and questions. (shrink)