Recently, Kieran Setiya suggested that we might respond to evolutionary debunking arguments by arguing that, even if we cannot explain our reliability in ethics, we might justify believing ourselves reliable using a track record argument. Not surprisingly, several critics have claimed that this response is circular. I consider two senses in which they might be right, concluding that, though Setiya’s argument does not beg the question, it is epistemically circular. Perhaps surprisingly, its epistemic circularity need not prevent Setiya’s argument from (...) justifying its conclusion; nevertheless, I argue, reflection on this issue helps to bring out why realists would do well to eschew the strategy Setiya explores, focusing instead on showing that there is a suitable explanatory connection between our ethical beliefs and the facts. (shrink)

In this wide-ranging interview, Dave Elder-Vass discusses his main contributions to critical realist theory over two decades. In the first half, he explains his early work on emergence, agency, str...

Stephen Gardiner and David Weisbach's recent Debating Climate Ethics takes up an urgent and important question: is ethics relevant to climate policy? Or rather, the book takes up several, closely related versions of that question we do well to distinguish clearly: 1 Are ethical considerations relevant to climate policy? 2 Do ethical theories philosophers defend have implications regarding climate policy? 3 Does climate ethics provide policy analysts any useful guidance? Or, in other words, should climate policy analysts pay any attention (...) to climate ethics? Weisbach's remarks about the role of ethics in climate policy in §5.4 and about distributive and corrective justice in Chapter 7 suggest he actually... (shrink)

In this richly argued and provocative book, David Davies elaborates and defends a broad conceptual framework for thinking about the arts that reveals important continuities and discontinuities between traditional and modern art, and between different artistic disciplines. Elaborates and defends a broad conceptual framework for thinking about the arts. Offers a provocative view about the kinds of things that artworks are and how they are to be understood. Reveals important continuities and discontinuities between traditional and modern art. Highlights core topics (...) in aesthetics and art theory, including traditional theories about the nature of art, aesthetic appreciation, artistic intentions, performance, and artistic meaning. (shrink)

We present a specific elaboration and partial defense of the claims that cognition is enactive, embodied, embedded, affective and (potentially) extended. According to the view we will defend, the enactivist claim that perception and cognition essentially depend upon the cognizer’s interactions with their environment is fundamental. If a particular instance of this kind of dependence obtains, we will argue, then it follows that cognition is essentially embodied and embedded, that the underpinnings of cognition are inextricable from those of affect, that (...) the phenomenon of cognition itself is essentially bound up with affect, and that the possibility of cognitive extension depends upon the instantiation of a specific mode of skillful interrelation between cognizer and environment. Thus, if cognition is enactive then it is also embodied, embedded, affective and potentially extended. (shrink)

This introduction to a special issue of Topoi introduces and summarises the relationship between three main varieties of 'enactivist' theorising about the mind: 'autopoietic', 'sensorimotor', and 'radical' enactivism. It includes a brief discussion of the philosophical and cognitive scientific precursors to enactivist theories, and the relationship of enactivism to other trends in embodied cognitive science and philosophy of mind.

Recently, constructive neutral evolution has been touted as an important concept for the understanding of the emergence of cellular complexity. It has been invoked to help explain the development and retention of, amongst others, RNA splicing, RNA editing and ribosomal and mitochondrial respiratory chain complexity. The theory originated as a welcome explanation of isolated small scale cellular idiosyncrasies and as a reaction to ‘overselectionism’. Here I contend, that in its extended form, it has major conceptual problems, can not explain observed (...) patterns of complex processes, is too easily dismissive of alternative selectionist models, underestimates the creative force of complexity as such, and – if seen as a major evolutionary mechanism for all organisms – could stifle further thought regarding the evolution of highly complex biological processes. (shrink)

Aspects of peroxisome evolution, uncoupling, carnitine shuttles, supercomplex formation, and missing neuronal fatty acid oxidation (FAO) are linked to reactive oxygen species (ROS) formation in respiratory chains. Oxidation of substrates with high FADH2/NADH (F/N) ratios (e.g., FAs) initiate ROS formation in Complex I due to insufficient availability of its electron acceptor (Q) and reverse electron transport from QH2, e.g., during FAO or glycerol‐3‐phosphate shuttle use. Here it is proposed that the Q‐cycle of Complex III contributes to enhanced ROS formation going (...) from low F/N ratio substrates (glucose) to high F/N substrates. This contribution is twofold: 1) Complex III uses Q as substrate, thus also competing with Complex I; 2) Complex III itself will produce more ROS under these conditions. I link this scenario to the universally observed Complex III dimerization. The Q‐cycle of Complex III thus again illustrates the tension between efficient ATP generation and endogenous ROS formation. This model can explain recent findings concerning succinate and ROS‐induced uncoupling. (shrink)

Group sex among men who have sex with men may be understood as a ‘radical’ practice insofar as it transgresses dominant social discourses around appropriate sexual relations—prioritizing heteronormative, monogamous and risk‐averse sex. These practices are generally defined as steeped in risk, most commonly due to the potential for transmitting human immunodeficiency virus and sexually transmitted infections and accompanied by the possibility of legal and social repercussions. Our ethnographic research study explored the desires, practices and contexts of group sex participants (n (...) = 10) within a popular group sex party destination located in the United States. We employ a poststructuralist perspective (utilizing the work of Deleuze and Guattari) to understand group sex events with the pretext that bodies have no inherent ethics, meaning or essence: they are ‘bodies without organs’. We identify group sex as a form of boundary play, in which participants pursue new limits to what their bodies can do but within a carefully constructed environment that establishes norms of interaction meant to secure trust and safety between participants. A variety of risk reduction practices are shown to be promoted and honoured within these eventful sexual(ized) spaces. The application of poststructuralist concepts of ‘boundary play’ and ‘bodies without organs’ helped to depict the construction and navigation of pleasure, safety and risk among group sex participants. (shrink)

The aim of this article is to bring to the attention of the international nursing community the discrepancy between a pervasive ‘caring’ nursing discourse and a most unethical nursing practice in the United States. In this article, we present a duality: the conflict in American prisons between nursing ethics and the killing machinery. The US penal system is a setting in which trained healthcare personnel practice the extermination of life. We look upon the sanitization of deathwork as an application of (...) healthcare professionals’ skills and knowledge and their appropriation by the state to serve its ends. A review of the states’ death penalty statutes shows that healthcare workers are involved in the capital punishment process and shielded by American laws (and to a certain extent by professional boards through their inaction). We also argue that the law's language often masks that involvement; and explain how states further that duplicity behind legal formalisms. In considering the important role healthcare providers, namely nurses and physicians, play in administering death to the condemned, we assert that nurses and physicians are part of the states’ penal machinery in America. Nurses and physicians (as carriers of scientific knowledge, and also as agents of care) are intrinsic to the American killing enterprise. Healthcare professionals who take part in execution protocols are state functionaries who approach the condemned body as angels of death: they constitute an extension of the state which exercises its sovereign power over captive prisoners. (shrink)

Police and pastoral power: governmentality and correctional forensic psychiatric nursing Since 1978, the federal inmates of Canada have had access to a full range of psychiatric care within the penitentiary system. Several psychiatric units are now integrated into the correctional services of Canada. This paper presents the results of a grounded theory doctoral study undertaken in a multilevel secured psychiatric ward within the Canadian federal penitentiary system. The author describes and discusses the results of qualitative data that emerged from his (...) fieldwork. The concept of governmentality, as defined by the late French philosopher Michel Foucault, constitutes one of the major theoretical tools that were helpful in analyzing these data. Police and pastoral power, two dimensions of the security apparatus of governmentality, were found to be useful in understanding and characterizing nursing practice caught between the penal and the psychiatric dispositifs. A Foucauldian perspective allows one to understand the manner in which forensic psychiatric nursing is involved in the governance of mentally ill inmates through three forms of power — sovereign, disciplinary and pastoral — which have posited nursing practice as a strategic tool of the correctional services. This research consists of a study of nursing practice in an extreme setting that deserves a radical analysis. (shrink)

Skepticism about the limits of online learning is as old as online learning itself. As with other technologically-driven innovations in pedagogy, there are deep-seated worries that important educational goods might be effaced or obscured by the ways of teaching and learning that online methods allow. One family of such worries is inspired by reflections on the bodily basis of an important kind of understanding, and skepticism over whether this bodily basis can be inculcated in the absence of actual, flesh-and-blood, classroom (...) interactions. This paper focuses on the ways in which such worries arise in the influential work of Hubert Dreyfus. The negative conclusion for which I argue is that endorsing Dreyfus's Merleau-Pontian picture of the relationship between bodily skill and understanding does not commit us to his general pessimism concerning online learning—bodily, emotional, and interactive dimensions might be essential to learning, but we lack reasons to think that online learning necessarily lacks these dimensions. The negative argument motivates a positive claim: rather than giving up on online learning we should focus on designing courses and pedagogies that scaffold the bodily, affective and interactive dynamics constitutive of understanding in a particular domain. (shrink)

As free‐living organisms, alpha‐proteobacteria produce reactive oxygen species (ROS) that diffuse into the surroundings; once constrained inside the archaeal ancestor of eukaryotes, however, ROS production presented evolutionary pressures – especially because the alpha‐proteobacterial symbiont made more ROS, from a variety of substrates. I previously proposed that ratios of electrons coming from FADH2 and NADH (F/N ratios) correlate with ROS production levels during respiration, glucose breakdown having a much lower F/N ratio than longer fatty acid (FA) breakdown. Evidently, higher endogenous ROS (...) formation did not hinder eukaryotic evolution, so how were its disadvantages mitigated? I propose that the resulting selection pressures favoured the evolution of a variety of eukaryotic ‘innovations’: peroxisomes for FA breakdown, carnitine shuttles, the linkage of beta‐oxidation to antioxidant properties, uncoupling proteins (UCPs) and using mitochondrial uncoupling during beta‐oxidation to reduce ROS. Recently observed relationships between peroxisomes and mitochondria further support the model. (shrink)

Eukaryotic origins are heavily debated. The author as well as others have proposed that they are inextricably linked with the arrival of a pre‐mitochondrion of alphaproteobacterial‐like ancestry, in a so‐called symbiogenic scenario. The ensuing mutual adaptation of archaeal host and endosymbiont seems to have been a defining influence during the processes leading to the last eukaryotic common ancestor. An unresolved question in this scenario deals with the means by which the bacterium ends up inside. Older hypotheses revolve around the application (...) of known antagonistic interactions, the bacterium being prey or parasite. Here, in reviewing the field, the author argues that such models share flaws, hence making them less likely, and that a “pre‐symbiotic stage” would have eased ongoing metabolic integration. Based on this the author will speculate about the nature of the (endo) symbiosis that started eukaryotic evolution–in the context of bacterial entry being a relatively “early” event–and stress the differences between this uptake and subsequent ones. He will also briefly discuss how the mutual adaptation following the merger progressed and how many eukaryotic hallmarks can be understood in light of coadaptation. Also see the video abstract here https://youtu.be/ekqtNleVJpU. (shrink)

Of two contending models for eukaryotic evolution the “archezoan“ has an amitochondriate eukaryote take up an endosymbiont, while “symbiogenesis“ states that an Archaeon became a eukaryote as the result of this uptake. If so, organelle formation resulting from new engulfments is simplified by the primordial symbiogenesis, and less informative regarding the bacterium‐to‐mitochondrion conversion. Gradualist archezoan visions still permeate evolutionary thinking, but are much less likely than symbiogenesis. Genuine amitochondriate eukaryotes have never been found and rapid, explosive adaptive periods characteristic of (...) symbiogenetic models explain this. Mitochondrial proteomes, encoded by genes of “eukaryotic origin“ not easily linked to host or endosymbiont, can be understood in light of rapid adjustments to new evolutionary pressures. Symbiogenesis allows “expensive” eukaryotic inventions via efficient ATP generation by nascent mitochondria. However, efficient ATP production equals enhanced toxic internal ROS formation. The synergistic combination of these two driving forces gave rise to the rapid evolution of eukaryotes.Also watch the Video Abstract. (shrink)

Mark Coeckelbergh argues that Romanticism and the Enlightenment philosophies are not that far apart when it comes to philosophy of technology.

The view from inside : gendered embodiment and the medical representation of sex / Shelley Wall -- The politics of medico-legal recognition : the terms of gendered subjectivity in the UK Gender Recognition Act / Sarah Burgess -- Journeys of choice? : abortion, travel, and women's autonomy / Christabelle Sethna and Marion Doull -- The code of ethics in medicine : intertextuality and meaning in Plato's Sophist and Hippocrates' oath / Twyla Gibson -- Sleeping ethics : gene, episteme, and the (...) body politic / Deborah Lynn Steinberg -- The last temptation of Marion Woodman : the anorexic remainder in bone : dying into life / David L. Clark. (shrink)

Synaesthetes persistently perceive certain stimuli as systematically accompanied by illusory colours, even though they know those colours to be illusory. This appears to contrast with cases where a subject’s colour vision adapts to systematic distortions caused by wearing coloured goggles. Given that each case involves longstanding systematic distortion of colour perception that the subjects recognize as such, how can a theory of colour perception explain the fact that perceptual adaptation occurs in one case but not the other? I argue that (...) these cases and the relationship between them can be made sense of in light of an existing view of colour perception. Understanding colours as ways in which objects and surfaces modify light, perceived through grasping patterns and variations in colour appearances, provides a framework from which the cases and their apparent disanalogy can be predicted and explained. This theory’s ability to accommodate these cases constitutes further empirical evidence in its favour. (shrink)

Based on our respective research programs (psychiatry, forensic psychiatry, public health, HIV/AIDS, harm reduction) this article aims to use purposely non‐conventional means to present the substantial contribution of poststructuralist perspectives to knowledge development in nursing science in general and in our current research in particular. More specifically, we call on the work of Michel Foucault and Deleuze & Guattari to politicize nursing science using examples from our empirical research programs with marginal and often highly marginalized populations. We discuss the concepts (...) of power, discourse, and resistance to illustrate the essential contribution of poststructuralism to marginal, even “nomadic”, nursing research. (shrink)

Clinical research with adults who are unable to provide informed consent has the potential to improve understanding and care of a number of devastating conditions. This research also has the potential to exploit some of society's most vulnerable members. Recently, a number of task forces and individual writers have proposed guidelines to ensure that such research is both possible and ethical. Yet, there is widespread disagreement over which safeguards should be adopted. In the present paper, I consider to what extent (...) these disagreements can be resolved by appeal to a general account of the interests of subjects who are unable to consent and the conditions that must be satisfied for research enrollment to constitute exploitation of their inability to make their own decisions. (shrink)

Recently, the group of McBride reported a stunning observation regarding peroxisome biogenesis: newly born peroxisomes are hybrids of mitochondrial and ER-derived pre-peroxisomes. What was stunning? Studies performed with the yeast Saccharomyces cerevisiae had convincingly shown that peroxisomes are ER-derived, without indications for mitochondrial involvement. However, the recent finding using fibroblasts dovetails nicely with a mechanism inferred to be driving the eukaryotic invention of peroxisomes: reduction of mitochondrial reactive oxygen species generation associated with fatty acid oxidation. This not only explains the (...) mitochondrial involvement, but also its apparent absence in yeast. The latest results allow a reconstruction of the evolution of the yeast's highly derived metabolism and its limitations as a model organism in this instance. As I review here, peroxisomes are eukaryotic inventions reflecting mutual host endosymbiont adaptations: this is predicted by symbiogenetic theory, which states that the defining eukaryotic characteristics evolved as a result of mutual adaptations of two merging prokaryotes. See also the video abstract here: https://youtu.be/HtyKhQ3DSxg Eukaryotic peroxisomes illustrate effects of symbiogenesis, following the non-phagocytotic merger of an archaeon and a bacterium. Internal ROS formation upon fatty acid oxidation was reduced by the invention of peroxisomes for extra-mitochondrial FA oxidation. Both peroxisomal membranes and their oldest enzymes seem ultimately derived from the pre-mitochondrion. (shrink)

A short review of Bence Nanay's 'Between Action and Perception'.

The problem of structure and agency has been the subject of intense debate in the social sciences for over 100 years. This book offers a solution. Using a critical realist version of the theory of emergence, Dave Elder-Vass argues that, instead of ascribing causal significance to an abstract notion of social structure or a monolithic concept of society, we must recognise that it is specific groups of people that have social structural power. Some of these groups are entities with (...) emergent causal powers, distinct from those of human individuals. Yet these powers also depend on the contributions of human individuals, and this book examines the mechanisms through which interactions between human individuals generate the causal powers of some types of social structures. The Causal Power of Social Structures makes particularly important contributions to the theory of human agency and to our understanding of normative institutions. (shrink)

What kind of symbiosis between archaeon and bacterium gave rise to their eventual merger at the origin of the eukaryotes? I hypothesize that conditions favouring bacterial uptake were based on exchange of intermediate carbohydrate metabolites required by recurring changes in availability and use of the two different terminal electron chain acceptors, the bacterial one being oxygen. Oxygen won, and definitive loss of the archaeal membrane potential allowed permanent establishment of the bacterial partner as the proto‐mitochondrion, further metabolic integration and highly (...) efficient ATP production. This represents initial symbiogenesis, when crucial eukaryotic traits arose in response to the archaeon‐bacterium merger. The attendant generation of internal reactive oxygen species (ROS) gave rise to a myriad of further eukaryotic adaptations, such as extreme mitochondrial genome reduction, nuclei, peroxisomes and meiotic sex. Eukaryotic origins could have started with shuffling intermediate metabolites as is still essential today. (shrink)

I consider whether there is a plausible conception of personal identity that can accommodate the ‘Multiplicity Thesis’ (MT), the thesis that some ways of creating and deploying multiple distinct online personae can bring about the existence of multiple persons where before there was only one. I argue that an influential Kantian line of thought, according to which a person is a unified locus of rational agency, is well placed to accommodate the thesis. I set out such a line of thought (...) as developed by Carol Rovane, and consider the conditions that would have to be in place for the possibility identified by MT to be realised. Finally I briefly consider the prospects for MT according to neo-Lockean and animalist views of personhood. (shrink)

For decades, nursing as a discipline has tried to establish itself within the socio‐professional and the socio‐political arenas. To date, several theorists have attempted to thoroughly define the essence (ontology) of nursing while others have proposed means (syntax) to achieve this ‘collective’ objective. Considering that this preoccupation, rooted in essentialism, is pervasive in the nursing literature, our claim is that these quests should be criticized because they impede innovative and transdisciplinary approaches to nursing theory. Our criticism includes the perspective supported (...) by the so‐called ‘postmodern nursing theorists’. We argue that the oeuvre of some nursing postmodern scholars is as prescriptive and linear as the ones they critique. Like it was done before, the discourse of these thinkers perpetuates the status quo by excluding alternative forms of knowledge that cross the boundaries of the discipline of nursing. Using the work of Deleuze and Guattari, this paper proposes an alternative way to conceive the development of nursing knowledge, which, we think, could represent an alternative way to explore the discipline of nursing. (shrink)

Rene Descartes is the 16th century philosopher who perpetually doubted everything--even his own physical existence!

The entire Who's Who of postmodern thought--Derrida, Foucault, Baudrillard, Lyotard and others, can trace their philosophical ancestry to Nietzsche's radical relativism.

Eukaryotic origins are inextricably linked with the arrival of a pre‐mitochondrion of alphaproteobacterial‐like ancestry. However, the nature of the “host” cell and the mode of entry are subject to heavy debate. It is becoming clear that the mutual adaptation of a relatively simple, archaeal host and the endosymbiont has been the defining influence at the beginning of the eukaryotic lineage; however, many still resist such symbiogenic models. In part 1, it is posited that a symbiotic stage before uptake (“pre‐symbiosis”) seems (...) essential to allow further metabolic integration of the two partners ending in endosymbiosis. Thus, the author argued against phagocytic mechanisms (in which the bacterium is prey or parasite) as the mode of entry. Such positions are still broadly unpopular. Here it is explained why. Evolutionary thinking, especially in the case of eukaryogenesis, is still dominated by anachronistic reasoning, in which highly derived protozoan organisms are seen as in some way representative of intermediate steps during eukaryotic evolution, hence poisoning the debate. This reasoning reflects a mind‐set that ignores that Darwinian evolution is a fundamentally historic process. Numerous examples of this kind of erroneous reasoning are given, and some basic precautions against its use are formulated. Also see the video abstract here https://youtu.be/ekqtNleVJpU. (shrink)

Social and linguistic perceptions are linked. On one hand, talker identity affects speech perception. On the other hand, speech itself provides information about a talker's identity. Here, we propose that the same probabilistic knowledge might underlie both socially conditioned linguistic inferences and linguistically conditioned social inferences. Our computational–level approach—the ideal adapter—starts from the idea that listeners use probabilistic knowledge of covariation between social, linguistic, and acoustic cues in order to infer the most likely explanation of the speech signals they hear. (...) As a first step toward understanding social inferences in this framework, we use a simple ideal observer model to show that it would be possible to infer aspects of a talker's identity using cue distributions based on actual speech production data. This suggests the possibility of a single formal framework for social and linguistic inferences and the interactions between them. (shrink)

Ethical challenges in genomic epidemiology are the direct result of novel tools used to confront scientific challenges in the field. An orders-of-magnitude increase in scale of genetic data collection has created the need for establishing diffuse international partnerships, sometimes across developed- and developing-world countries, with ramifications for assigning research ownership, distributing intellectual property rights, and encouraging capacity-building. Meanwhile, the fact that genomic epidemiological research is so far upstream in the pipeline of therapy development has implications for the privacy rights of (...) research participants and for a rigorous definition of valid informed consent, particularly in resource-poor settings. From these scientific underpinnings, we distill out two main categories of ethical issues: (1) How should researchers ensure that the subjects of research are appropriately protected? and (2) What is the structure of an equitable and fair system for distributing the financial and scientific rewards of research? We attempt to delineate the contours of specific problems in each category and propose steps toward solutions with reference to a particular project, known as gMap.net, that focuses on genomic epidemiological studies of malaria. (shrink)

Clinical research with adults who are unable to provide informed consent has the potential to improve understanding and care of a number of devasting conditions. This research also has the potential to exploit some of society's most vulnerable members. Recently, a number of task forces and individual writers have proposed guidelines to ensure that such research is both possible and ethical. Yet, there is widespread disagreement over which safeguards should be adopted. In the present paper, I consider to what extent (...) these disagreements can be resolved by appeal to a general account of the interests of subjects who are unable to consent and the conditions that must be satisfied for research enrollment to constitute exploitation of their inability to make their own decisions. (shrink)

The philosophical literature would have us believe that the conservative view on abortion is based on the claim that the fetus is a person from the time of conception. Given the widespread acceptance of this analysis, it comes as something of a surprise to learn that it conflicts with a number of major arguments offered in support of the conservative view. I argue, in the present paper, that a careful examination of these inconsistencies establishes that the personhood analysis is mistaken: (...) the conservative view is based on the natural process of fetal development, not the personhood of the fetus. (shrink)