In this commentary we discuss the possibility of subcortical consciousness and its implications for fetal anesthesia and analgesia. We review the neural development of structural and functional elements that may participate in conscious representation, with a particular focus on the experience of pain. (Published Online May 1 2007).

IntroductionAlthough the topic of consciousness is both mysterious and controversial, psychedelic drugs are popularly believed to provide unique insights into the nature of consciousness despite a lack of empirical evidence.MethodsThis study addresses the question of whether psychedelics change the attribution of consciousness to a range of living and non-living entities. A survey was conducted in 1,606 respondents who endorsed a belief changing psychedelic experience.ResultsParticipants rated their attributions of consciousness to a range of living and non-living entities before and after their (...) psychedelic experience. Superstitious beliefs and belief in freewill were also assessed. From before the experience to after, there were large increases in attribution of consciousness to various entities including non-human primates, quadrupeds, insects, fungi, plants, inanimate natural objects, and inanimate manmade objects. Higher ratings of mystical experience were associated with greater increases in the attribution of consciousness. Moreover, the increased attributions of consciousness did not decrease in those who completed the survey years after the psychedelic experience. In contrast to attributions of consciousness, beliefs in freewill and superstitions did not change. Notably, all findings were similar when restricted to individuals reporting on their first psychedelic experience.DiscussionThis study demonstrates that, among people who reported belief-changing psychedelic experiences, attribution of consciousness to various entities increases. Future prospective psychedelic drug administration studies that control for expectancies are needed. (shrink)

Evidence suggests that psychedelics bring about their therapeutic outcomes in part through the subjective or qualitative effects they engender and how the individual interprets the resulting experiences. However, psychedelics are contraindicated for individuals who have been diagnosed with certain mental illnesses, on the grounds that these subjective effects may be disturbing or otherwise counter-therapeutic. Substantial resources are therefore currently being devoted to creating psychedelic substances that produce many of the same biological changes as psychedelics, but without their characteristic subjective effects. (...) In this article, we consider ethical issues arising from the prospect of such potential “nonsubjective” psychedelics. We are broadly supportive of efforts to produce such substances for both scientific and clinical reasons. However, we argue that such nonsubjective psychedelics should be reserved for those special cases in which the subjective effects of psychedelics are specifically contraindicated, whereas classic psychedelics that affect subjective experience should be considered the default and standard of care. After reviewing evidence regarding the subjective effects of psychedelics, we raise a number of ethical concerns around the prospect of withholding such typically positive, meaningful, and therapeutic experiences from most patients. (shrink)

Considering the organization’s ethical context as a framework to investigate workplace phenomena, this field study of military reserve personnel examines the relationships among perceptions of psychosocial group variables, such as cohesiveness, helping behavior and peer leadership, employee job attitudes, and the likelihood of individuals’ withholding on-the-job effort, a form of organizational misbehavior. Hypotheses were tested with a sample of 290 individuals using structural equation modeling, and support for negative relationships between perceptions of positive group context and withholding effort by individual (...) employees was found. In addition, individual effort-performance expectancy and individual job satisfaction were negatively related to withholding effort. The findings provide evidence that individual perceptions of positive group context play a key role in the presence of misbehavior at work. The results indicate that positive group context might be an important element of ethical climate that should be managed to temper occurrence of such adverse work behavior. (shrink)

Abstract The historical evolution of the principle of relativity from Galileo to Einstein is briefly traced, and purported difficulties with Einstein's formulation of the principle are examined and dismissed. This formulation is then compared to a precise version formulated recently in the geometrical language of spacetime theories. We claim that the recent version is both logically puzzling and fails to capture a crucial physical insight contained in the earlier formulations. The implications of this claim for the modern treatment of general (...) dynamical symmetries are discussed. (shrink)

Constructibility and complexity play central roles in recent research in computer science, mathematics and physics. For example, scientists are investigating the complexity of computer programs, constructive proofs in mathematics and the randomness of physical processes. But there are different approaches to the explication of these concepts. This volume presents important research on the state of this discussion, especially as it refers to quantum mechanics. This `foundational debate' in computer science, mathematics and physics was already fully developed in 1930 in the (...) Vienna Circle. A special section is devoted to its real founder Hans Hahn, referring to his contribution to the history and philosophy of science. The documentation section presents articles on the early Philipp Frank and on the Vienna Circle in exile. Reviews cover important recent literature on logical empiricism and related topics. (shrink)

Considerable work within the modern 'space-time theory' approach to relativity physics has been devoted to clarifying the role and meaning of the principle of relativity. Two recent discussions of the principle within this approach, due to Arntzenius (1990) and Friedman (1983), are found to contain difficulties.

De invloed van het denken van Paul Moyaert is zeer groot. Daarom wil 'Orde scheppen' hulde brengen aan deze filosoof en zijn intellectuele bezetenheid. De thematische diversiteit van het boek weerspiegelt de biodiversiteit van Moyaerts eigen werk, die met enig geweld tot drie grote thema's of domeinen kan worden herleid: wijsgerige antropologie, psychopathologie en religie. Onderwerpen zijn: het symbolische, de liefde, uchronie, de echtheid van beelden, en poëzie; de afstemming bij jongvolwassenen met een meervoudige handicap, homoseksualiteit bij vrouwelijke adolescenten, en (...) Kant en Foucault; en ten slotte de hardnekkigheid van religie, christelijke ascese, de vele gezichten van Kierkegaard, Franciscus van Assisi, en de oorlogsdagboeken van Hans Keilson. (shrink)

Common everyday materials such as textiles, foodstuffs, soil or skin can have complex, mutable and varied appearances. Under typical viewing conditions, most observers can visually recognize materials effortlessly, and determine many of their properties without touching them. Visual material perception raises many fascinating questions for vision researchers, neuroscientists and philosophers, yet has received little attention compared to the perception of color or shape. Here we discuss some of the challenges that material perception raises and argue that further philosophical thought should (...) be directed to how we see materials. (shrink)

This collection of essays, drawn from the latest generation of Whitehead scholars, explores how, in the deconstruction of certain concepts, an unceasing invitation of possibility and change is released, both in relation to ongoing philosophical conversations, and as applied to lived experience. The essays make a significant intervention in the field of Whiteheadian scholarship by creating new intersections and paths that extend Whitehead's thought in novel, and often unexpected, directions. The philosophy of Alfred North Whitehead proposes a radical reconceptualization of (...) experience-one in which we, and all other things, are composed of mutually implicated series of events in an infinite universe of interaction, generating and regenerating experience. Far from indicating a new superlative of holistic integrity, Whitehead prefers the always incomplete movement of all realities, which is the source of vitality for every new generation. This volume applies Whitehead's philosophy to superlatives-those valued concepts that limit and define our categories amid the flux of experience. The first half of this book probes the superlatives that have historically defined philosophical method in the West. These essays trace the adventures of concepts like substance, novelty, system, and truth. Ossified oppositions that define these superlatives are fractured, indicating new directions for growth. The essays in the second half of the book reflect on the influx, fragility, and impossibility of superlatives like care, tragedy, love, and loss in human experience, generating new matters of philosophical discourse. Superlatives abound. But Whitehead cautions us to attend to their multiplicity. The mutual immanence of events constantly generates new constellations of importance, and so superlatives, because they are contingent upon unstable modes of togetherness, cannot be taken for granted. Any of these concepts may have a particular significance today, but as events coalesce into new constellations, those ideals will continue to take on new meaning. (shrink)

The aim of this study was to test the effect of face cooling with cold water vs. face cooling with neutral water during high-intensity swimming training on both the core temperature and thermal perceptions in internationally ranked long-distance swimmers during 2 randomized swimming sessions. After a standardized warm-up of 1,200 m, the athletes performed a standardized training session that consisted of 2,000 m at a best velocity then 600 m of aerobic work. Heart rate was continuously monitored during 5 × (...) 400 m, whereas Tco, thermal comfort, and thermal sensation were measured before and after each 400 m. Before and after each 400 m, the swimmers were asked to flow 200 mL of cold water or neutral water packaged in standardized bottles on their face. The swimmers were asked don’t drink during exercise. The velocity was significantly different between cold water and neutral water. The Tco was increased by ±0.5°C at race pace, under both face cooling conditions with no significant difference. No significant changes were noted in mean HR. TC was higher with Cold Cooling than Neutral Cooling and TS was lower with Cold cooling compared with Neutral cooling. The changes in perceptual parameters caused by face cooling with cold water reflect the psychological impact on the physical parameters. The mean velocity was less important with face cooling whereas the heat rate and Tco were the same in the both conditions. The mechanism leading to these results seems to involve brain integration of signals from physiological and psychological sources. (shrink)

The ‘Bolivarian Revolution’ in Venezuela under Hugo Chávez has reignited debate in Latin America and internationally on the questions of socialism and revolution. This forum brings together six leading intellectuals from different revolutionary traditions and introduces their reflections on class-struggle, the state, imperialism, counter-power, revolutionary parties, community and communes, workplaces, economy, politics, society, culture, race, gender, and the hopes, contradictions, and prospects of ‘twenty-first-century socialism’ in contemporary Venezuela.

Chronic pain is associated with high levels of mental health issues and alterations in cognitive processing. Cognitive-behavioral models illustrate the role of memory alterations in the development and maintenance of chronic pain as well as in mental health disorders which frequently co-occur with chronic pain. This study aims to expand our understanding of specific cognitive mechanisms underlying chronic pain which may in turn shed light on cognitive processes underlying pain-related psychological distress. Individuals who reported a history of chronic pain and (...) individuals who reported no history of chronic pain were recruited from MTurk to complete an online survey including standardized measures of anxiety and depression and two sentence completion tasks that assessed autobiographical memory and future thinking specificity and content. Chi square analyses revealed that participants who endorsed experiencing chronic pain were significantly more likely to recall at least one painful and negative event and to imagine at least one anticipated painful event in their future. Two ANCOVAs were performed to examine the degree to which chronic pain endorsement influenced specificity in memory and future imagining. Individuals with a history of chronic pain and higher levels of depression symptom severity generated autobiographical memories with significantly less specificity; whereas, individuals with a history of chronic pain also generated future autobiographical events with significantly less specificity. In addition, individuals with a history of chronic pain were more likely to generate episodes related to pain when asked to recall the past or imagine the future. Further research is needed to improve our understanding of the etiology of autobiographical memory and future thinking specificity and content in the pathogenesis of mental health conditions in the context of chronic pain. (shrink)

Everyone agrees that testing hypotheses is important, but Bowers et al. provide scant details about where hypotheses about perception and brain function should come from. We suggest that the answer lies in considering how information about the outside world could be acquired – that is, learned – over the course of evolution and development. Deep neural networks (DNNs) provide one tool to address this question.

"Il n'y a pas de philosophie de Wittgenstein. Il y a l'histoire d'un homme qui lutta pied à pied contre la folie et le suicide avec pour seules armes la logique et l'éthique. Cet homme, on l'a dépeint tantôt comme un monstre, tantôt comme un saint, tantôt comme un génie, tantôt comme un détraqué sexuel. A Vienne où il a passé sa jeunesse, comme à Cambridge où il a enseigné, il est vite devenu une légende. Les rumeurs les plus extravagantes (...) ont circulé sur son compte : on prétendit même que sa grande oeuvre n'était pas le "Tractacus logico-philosophicus" mais le suicide de son ancien camarade de classe Adolf Hitler et de sa compagne, Eva Braun, dans leur bunker berlinois. Ce qui demeure certain, c'est qu'aucun philosophe n'aura mené avec un tel acharnement son enquête sur "le monde tel qu'il l'a trouvé", ni sur les fins ultimes de l'existence. Dans ce bref essai, R. J. tente "à la manière de Stefan Zweig parlant de Montaigne, de Nietzsche, de Freud, " de cerner la personnalité de Wittgenstein et de faire quelques pas en sa compagnie.". (shrink)

The essays in this book, by a variety of leading Augustine scholars, examine not only Augustine's multifaceted philosophy and its relation to his epoch-making theology, but also his practice as a philosopher, as well as his relation to other philosophers both before and after him. Thus the collection shows that Augustine's philosophy remains an influence and a provocation in a wide variety of settings today.