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Results for 'Sean A. Crawford'

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  1.  72
    Exploring the potential utility of AI large language models for medical ethics: an expert panel evaluation of GPT-4.Michael Balas,Jordan Joseph Wadden,Philip C. Hébert,Eric Mathison,Marika D. Warren,Victoria Seavilleklein,Daniel Wyzynski,Alison Callahan,Sean A.Crawford,Parnian Arjmand &Edsel B. Ing -2024 -Journal of Medical Ethics 50 (2):90-96.
    Integrating large language models (LLMs) like GPT-4 into medical ethics is a novel concept, and understanding the effectiveness of these models in aiding ethicists with decision-making can have significant implications for the healthcare sector. Thus, the objective of this study was to evaluate the performance of GPT-4 in responding to complex medical ethical vignettes and to gauge its utility and limitations for aiding medical ethicists. Using a mixed-methods, cross-sectional survey approach, a panel of six ethicists assessed LLM-generated responses to eight (...) ethical vignettes.The main outcomes measured were relevance, reasoning, depth, technical and non-technical clarity, as well as acceptability of GPT-4’s responses. The readability of the responses was also assessed. Of the six metrics evaluating the effectiveness of GPT-4’s responses, the overall mean score was 4.1/5. GPT-4 was rated highest in providing technical (4.7/5) and non-technical clarity (4.4/5), whereas the lowest rated metrics were depth (3.8/5) and acceptability (3.8/5). There was poor-to-moderate inter-rater reliability characterised by an intraclass coefficient of 0.54 (95% CI: 0.30 to 0.71). Based on panellist feedback, GPT-4 was able to identify and articulate key ethical issues but struggled to appreciate the nuanced aspects of ethical dilemmas and misapplied certain moral principles.This study reveals limitations in the ability of GPT-4 to appreciate the depth and nuanced acceptability of real-world ethical dilemmas, particularly those that require a thorough understanding of relational complexities and context-specific values. Ongoing evaluation of LLM capabilities within medical ethics remains paramount, and further refinement is needed before it can be used effectively in clinical settings. (shrink)
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  2.  725
    Pure Russellianism.SeanCrawford -2004 -Philosophical Papers 33 (2):171-202.
    Abstract According to Russellianism, the content of a Russellian thought, in which a person ascribes a monadic property to an object, can be represented as an ordered couple of the object and the property. A consequence of this is that it is not possible for a person to believe that a is F and not to believe b is F, when a=b. Many critics of Russellianism suppose that this is possible and thus that Russellianism is false. Several arguments for this (...) claim are criticized and it is argued that Russellians need not appeal to representational notions in order to defeat them. Contrary to popular opinion, the prospects for a pure Russellianism, a Russellianism without representations, are in fact very good. (shrink)
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  3. A solution for Russellians to a puzzle about belief.SeanCrawford -2004 -Analysis 64 (3):223-29.
    According to Russellianism (or Millianism), the two sentences ‘Ralph believes George Eliot is a novelist’ and ‘Ralph believes Mary Ann Evans is a novelist’ cannot diverge in truth-value, since they express the same proposition. The problem for the Russellian (or Millian) is that a puzzle of Kaplan’s seems to show that they can diverge in truth-value and that therefore, since the Russellian holds that they express the same proposition, the Russellian view is contradictory. I argue that the standard Russellian appeal (...) to “ways of thinking” or “propositional guises” is not necessary to solve the puzzle. Rather than this retrograde concession to Fregeanism, appeal should be made to second-order belief. The puzzle is solved, and the contradiction avoided, by maintaining that both sentences are indeed true in addition to the sentence ‘Ralph (mistakenly) believes that he does not believe Mary Ann Evans/George Eliot is a novelist’. (shrink)
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  4. The Myth of Logical Behaviourism and the Origins of the Identity Theory.SeanCrawford -2013 - In Michael Beaney,The Oxford Handbook of The History of Analytic Philosophy. Oxford, England: Oxford University Press.
    The identity theory’s rise to prominence in analytic philosophy of mind during the late 1950s and early 1960s is widely seen as a watershed in the development of physicalism, in the sense that whereas logical behaviourism proposed analytic and a priori ascertainable identities between the meanings of mental and physical-behavioural concepts, the identity theory proposed synthetic and a posteriori knowable identities between mental and physical properties. While this watershed does exist, the standard account of it is misleading, as it is (...) founded in erroneous intensional misreadings of the logical positivists’—especially Carnap’s—extensional notions of translation and meaning, as well as misinterpretations of the positivists’ shift from the strong thesis of translation-physicalism to the weaker and more liberal notion of reduction-physicalism that occurred in the Unity of Science programme. After setting the historical record straight, the essay traces the first truly modern identity theory to Schlick’s pre-positivist views circa 1920 and goes on to explore its further development in Feigl, arguing that the fundamental difference between the Schlick-Feigl identity theory and the more familiar and influential Place-Smart-Armstrong identity theory has resurfaced in the deep and seemingly unbridgeable gulf in contemporary philosophy of consciousness between inflationary mentalism and deflationary physicalism. (shrink)
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  5. On the Logical Positivists' Philosophy of Psychology: Laying a Legend to Rest.SeanCrawford -2014 - In Thomas Uebel,New Directions in the Philosophy of Science. Cham: Springer. pp. 711-726.
    The received view in the history of the philosophy of psychology is that the logical positivists—Carnap and Hempel in particular—endorsed the position commonly known as “logical” or “analytical” behaviourism, according to which the relations between psychological statements and the physical-behavioural statements intended to give their meaning are analytic and knowable a priori. This chapter argues that this is sheer legend: most, if not all, such relations were viewed by the logical positivists as synthetic and knowable only a posteriori. It then (...) traces the origins of the legend to the logical positivists’ idiosyncratic extensional or at best weakly intensional use of what are now considered crucially strongly intensional semantic notions, such as “translation,” “meaning” and their cognates, focussing on a particular instance of this latter phenomenon, arguing that a conflation of explicit definition and analyticity may be the chief source of the legend. (shrink)
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  6. Propositional or Non-Propositional Attitudes?SeanCrawford -2014 -Philosophical Studies 168 (1):179-210.
    Propositionalism is the view that intentional attitudes, such as belief, are relations to propositions. Propositionalists argue that propositionalism follows from the intuitive validity of certain kinds of inferences involving attitude reports. Jubien (2001) argues powerfully against propositions and sketches some interesting positive proposals, based on Russell’s multiple relation theory of judgment, about how to accommodate “propositional phenomena” without appeal to propositions. This paper argues that none of Jubien’s proposals succeeds in accommodating an important range of propositional phenomena, such as the (...) aforementioned validity of attitude-report inferences. It then shows that the notion of a predication act-type, which remains importantly Russellian in spirit, is sufficient to explain the range of propositional phenomena in question, in particular the validity of attitude-report inferences. The paper concludes with a discussion of whether predication act-types are really just propositions by another name. (shrink)
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  7.  843
    Perceptual Demonstrative Thought: A Property-Dependent Theory.SeanCrawford -2020 -Topoi 39 (2):439-457.
    The paper presents a new theory of perceptual demonstrative thought, the property-dependent theory. It argues that the theory is superior to both the object-dependent theory (Evans, McDowell) and the object-independent theory (Burge).
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  8.  36
    De Re Explanation of Action in Context, the Problem of ‘Near-Contraries’ and Belief Fragmentation.SeanCrawford -2021 - In Tadeusz Ciecierski & Paweł Grabarczyk,Context Dependence in Language, Action, and Cognition. De Gruyter. pp. 155-180.
    Commonsense psychological explanation of action upon objects seems to require not only reference to agents’ demonstrative beliefs about the objects acted upon but also the de re ascription of these demonstrative beliefs. There is an influential objection, however, to the de re component: since de re ascriptions permit the attribution to agents of inconsistent attitudes about the objects acted upon, they cannot explain (or predict) agents’ actions upon those objects. This paper answers the objection by presenting a contextualist theory of (...) de re action explanation according to which agents’ beliefs about objects are logically fragmented. (shrink)
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  9. Quantifiers and propositional attitudes: Quine revisited.SeanCrawford -2008 -Synthese 160 (1):75 - 96.
    Quine introduced a famous distinction between the ‘notional’ sense and the ‘relational’ sense of certain attitude verbs. The distinction is both intuitive and sound but is often conflated with another distinction Quine draws between ‘dyadic’ and ‘triadic’ (or higher degree) attitudes. I argue that this conflation is largely responsible for the mistaken view that Quine’s account of attitudes is undermined by the problem of the ‘exportation’ of singular terms within attitude contexts. Quine’s system is also supposed to suffer from the (...) problem of ‘suspended judgement with continued belief’. I argue that this criticism fails to take account of a crucial presupposition of Quine’s about the connection between thought and language. The aim of the paper is to defend the spirit of Quine’s account of attitudes by offering solutions to these two problems. (shrink)
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  10.  459
    Propositions.SeanCrawford -2005 - In Keith Brown,The Encyclopaedia of Language and Linguistics, 2nd ed. Elsevier.
    A number of traditional roles that propositions are supposed to play are outlined. Philosophical theories of the nature of propositions are then surveyed, together with considerations for and against, with an eye on the question whether any single notion of a proposition is suited to play all or any of these roles. Approaches discussed include: (1) the structureless possible-worlds theory; (2) the structured Russellian theory; and (3) the structured Fregean theory. It is noted that it is often unclear whether these (...) are accounts of what propositions are, ontologically speaking, or whether they are accounts of how propositions are best represented in a formal semantic theory. (shrink)
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  11.  250
    Object-dependent thoughts.SeanCrawford -2005 - In Keith Brown,The Encyclopaedia of Language and Linguistics, 2nd ed. Elsevier.
    The existence of object-dependent thoughts has been doubted on the grounds that reference to such thoughts is unnecessaryor 'redundant'in the psychological explanation of intentional action.This paperarguesto the contrary that reference to object-dependent thoughts is necessary to the proper psycho- logical explanationof intentional action upon objects. Section I sets out the argument for the alleged explanatory redundancy of object-dependent thoughts; an argument which turns on the coherenceof an alternative'dual-component' model of explanation.Section II rebutsthis argumentby showing the dual- component model to be (...) incoherent precisely because of its exclusion of object-dependentthoughts. Section III concludes with a conjectureabout the furtherpossible significanceof object-dependenthoughtsfor the predictionof action. (shrink)
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  12.  604
    Brandom and Quine on Perspectivally Hybrid De Re Attitude Ascription: A Solution to a Problem in the Explanation of Action.SeanCrawford -2022 -Journal of Transcendental Philosophy 3 (1):103-121.
    In Making it Explicit Robert Brandom claims that perspectivally hybrid de re attitude ascriptions explain what an agent actually did, from the point of view of the ascriber, whether or not that was what the agent intended to do. There is a well-known problem, however, first brought to attention by Quine, but curiously ignored by Brandom, that threatens to undermine the role of de re ascriptions in the explanation of action, a problem that stems directly from the fact that, unlike (...) de dicto ascriptions, they permit the attribution of inconsistent attitudes to agents. I propose a solution to the problem which I believe is consistent with Brandom’s approach to the nature of intentionality and the explanation of action. (shrink)
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  13.  788
    Schlick, Carnap and Feigl on the Mind-Body Problem.SeanCrawford -2022 - In Christoph Limbeck & Thomas Uebel,The Routledge Handbook of Logical Empiricism. Routledge. pp. 238-247.
    Moritz Schlick, Rudolf Carnap and Herbert Feig are the most prominent of the positivists to formulate views on the mind-body problem (aside from Hempel’s one-off treatment in 1935). While their views differed from each other and changed over time they were all committed to some form of scientific physicalism, though a linguistic or conceptual rather than ontological form of it. In focus here are their views during the heyday of logical positivism and its immediate aftermath, though some initial scene-setting of (...) Schlick’s and Carnap’s pre-positivist views will help to understand the final opposing positions of Carnap and Feigl. (shrink)
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  14.  698
    Relational properties, causal powers and psychological laws.SeanCrawford -2003 -Acta Analytica 18 (30-31):193-216.
    This paper argues that Twin Earth twins belong to the same psychological natural kind, but that the reason for this is not that the causal powers of mental states supervene on local neural structure. Fodor’s argument for this latter thesis is criticized and found to rest on a confusion between it and the claim that Putnamian and Burgean type relational psychological properties do not affect the causal powers of the mental states that have them. While it is true that Putnamian (...) and Burgean type relational psychological properties do not affect causal powers, it is false that no relational psychological properties do. Examples of relational psychological properties that do affect causal powers are given and psychological laws are sketched that subsume twins in virtue of them instantiating these relational properties rather than them sharing the narrow contents of their thoughts. (shrink)
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  15. The Sources of Intentionality by Uriah Kriegel. [REVIEW]SeanCrawford -2013 -Analysis 73 (1):190-193.
    This is a review of Uriah Kriegal's book on intentionality, The Sources of Intentionality.
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  16.  40
    The cycle of action: A commentary on Garry young (2006).Sean A. Spence -2006 -Journal of Consciousness Studies 13 (3):69-72.
    As the emphasis in the title of his article indicates, Garry Young (2006) wishes to retain a role for conscious intention in the initiation of intentional acts, a proposal he contrasts with the findings and writings of Benjamin Libet, and also my own comments upon the latter (Libet et al., 1983; Spence, 1996). While Libet's classic series of experiments (and their replication by others) established that the conscious intention to act is itself preceded by predictive trains of electrical activity in (...) the brain, Young wishes to attribute a meaningful role to intention even though it arises relatively 'late' in the stream of causation. He believes intention makes a contribution. The question here, or at least the source of perceived disagreement, seems to be: what is the nature of this contribution? Also, are we talking about a single act or the context within which it (action) occurs? (shrink)
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  17.  50
    Openness with patients: A categorical imperative to correct an imbalance.A. Kessel &Michael J.Crawford -1997 -Science and Engineering Ethics 3 (3):297-304.
    This paper examines the concept of ‘openness with patients’ from the stand-point of the limitations of biomedical ethics. Initially we review contemporary critiques of bioethics and, in particular, of principlism; we relate how other; somewhat neglected, forms of medical ethics can yield useful information and provide moral guidance. The main section of the paper then shows how a bioethical approach to openness misses the social context in our example, the viewpoints of patients; we present some of the increasing wealth of (...) research evidence which points towards patients wanting more information and a greater degree of openness. (shrink)
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  18.  56
    A pluralistic and socially responsible philosophy of epidemiology field should actively engage with social determinants of health and health disparities.Sean A. Valles -2019 -Synthese 198 (Suppl 10):2589-2611.
    Philosophy of epidemiology has recently emerged as a distinct branch of philosophy. The field will surely benefit from pluralism, reflected in the broad range of topics and perspectives in this special issue. Here, I argue that a healthy pluralistic field of philosophy of epidemiology has social responsibilities that require the field as a whole to engage actively with research on social determinants of health and health disparities. Practicing epidemiologists and the broader community of public health scientists have gradually acknowledged that (...) much of their attention ought to be paid to these, i.e. inequitable between-population health variations that largely reflect the world’s inequitable distribution of resources and social conditions. The paper illustrates how and why health disparities and social determinants of health, through no ill will, become de facto secondary concerns in Alex Broadbent’s field-defining Philosophy of Epidemiology, showing the ease with which these topics can be incidentally sidelined. As means for philosophy of epidemiology to meet its social responsibility obligations, I suggest philosophy of epidemiology expand its attention to two particular lines research. First, the paper discusses Geoffrey Rose’s concept of “causes of incidence”—causes of disparities between populations—and argues for the importance of engaging with these causes. Second, the paper argues for the value of engaging with Bruce Link and Jo Phelan’s “fundamental causes” model of how flexible social resources serve as buffers from harms, generating a plethora of shifting and locally-contingent health effects. (shrink)
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  19.  45
    Towards a functional anatomy of volition.Sean A. Spence &Chris D. Frith -1999 -Journal of Consciousness Studies 6 (8-9):8-9.
    In this paper we examine the functional anatomy of volition, as revealed by modern brain imaging techniques, in conjunction with neuropsychological data derived from human and non-human primates using other methodologies. A number of brain regions contribute to the performance of consciously chosen, or ‘willed', actions. Of particular importance is dorsolateral prefrontal cortex , together with those brain regions with which it is connected, via cortico-subcortical and cortico-cortical circuits. That aspect of free will which is concerned with the voluntary selection (...) of one action rather than another critically depends upon the normal functioning of DLPFC and associated brain regions. Disease, or dysfunction, of these circuits may be associated with a variety of disorders of volition: Parkinson's disease, ‘utilization’ behaviour, ‘alien’ and ‘phantom’ limbs, and delusions of ‘alien control’ . Brain imaging has allowed us to gain some access to the pathophysiology of these conditions in living patients. At a philosophical level, the distinction between ‘intentions to act', and ‘intentions in action’ may prove particularly helpful when addressing these complex disturbances of human cognition and conscious experience. The exercise and experience of free will depends upon neural mechanisms located in prefrontal cortex and associated brain systems. (shrink)
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  20.  45
    Coupled Ethical-Epistemic Analysis as a Tool for Environmental Science.Sean A. Valles,Michael O’Rourke &Zachary Piso -2019 -Ethics, Policy and Environment 22 (3):267-286.
    This paper presents a new model for how to jointly analyze the ethical and evidentiary dimensions of environmental science cases, with an eye toward making science more participatory and publically...
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  21.  58
    The defense motivation system: A theory of avoidance behavior.Fred A. Masterson &MaryCrawford -1982 -Behavioral and Brain Sciences 5 (4):661-675.
    A motivational system approach to avoidance behavior is presented. According to this approach, a motivational state increases the probability of relevant response patterns and establishes the appropriate or “ideal” consummatory stimuli as positive reinforcers. In the case of feeding motivation, for example, hungry rats are likely to explore and gnaw, and to learn to persist in activities correlated with the reception of consummatory stimuli produced by ingestion of palatable substances. In the case of defense motivation, fearful rats are likely to (...) flee or freeze, and to learn to persist in activities correlated with consummatory stimuli produced by flight from a dangerous place. Defense system activation is distinct from alarm reactions. The latter prepare the animal for probable noxious events, involve relatively intense negative affect and extinguish rapidly in situations where the noxious event no longer occurs. In contrast, defense system activation potentiates innate and modified defense reactions, thus preparing the animal for possible, but not necessarily probable, noxious events; it involves little or no negative affect and extinguishes very slowly when the noxious event no longer occurs. With these assumptions and the resulting model we attempt to resolve several long-standing problems in avoidance learning, including the low correlation between negative affect and avoidance performance, differential rates of extinction for avoidance performance and conditioned emotional responses, and evidence that some avoidance responses are much more easily learned than others. In addition, the model has implications for the study of parallels between appetitive and aversive motivation, sign tracking in aversive conditioning, and orientation of flight responses. Historical antecedents and alternative approaches are discussed. (shrink)
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  22.  71
    Philosophy of Population Health: Philosophy for a New Public Health Era.Sean A. Valles -2018 - Abingdon OX14, UK: Routledge.
    Population health has recently grown from a series of loosely connected critiques of twentieth-century public health and medicine into a theoretical framework with a corresponding field of research—population health science. Its approach is to promote the public’s health through improving everyday human life: affordable nutritious food, clean air, safe places where children can play, living wages, etc. It recognizes that addressing contemporary health challenges such as the prevalence of type 2 diabetes will take much more than good hospitals and public (...) health departments. -/- Blending philosophy of science/medicine, public health ethics and history, this book offers a framework that explains, analyses and largely endorses the features that define this relatively new field. Presenting a philosophical perspective, Valles helps to clarify what these features are and why they matter, including: searching for health’s “upstream” causes in social life, embracing a professional commitment to studying and ameliorating the staggering health inequities in and between populations; and reforming scientific practices to foster humility and respect among the many scientists and non- scientists who must work collaboratively to promote health. -/- Featuring illustrative case studies from around the globe at the end of all main chapters, this radical monograph is written to be accessible to all scholars and advanced students who have an interest in health—from public health students to professional philosophers. (shrink)
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  23.  31
    What is in it for Me? Middle Manager Behavioral Integrity and Performance.Sean A. Way,Tony Simons,Hannes Leroy &Elizabeth A. Tuleja -2018 -Journal of Business Ethics 150 (3):765-777.
    We propose that middle managers’ perceived organizational support enhances their performance through the sequential mediation of their behavioral integrity and follower organizational citizenship behaviors. We test our model with data collected from middle managers, their direct subordinates, and their direct superiors at 18 hotel properties in China. The current study’s findings contribute to the existing literature on perceived organizational support and behavioral integrity. They also add a practical self-interest argument for middle managers’ efforts to maintain their word-action alignment by demonstrating (...) that middle manager behavioral integrity positively affects middle managers’ own task performance ratings, both directly and via its positive effect on subordinates’ organizational citizenship behaviors. (shrink)
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  24.  91
    Building a High School Philosophy Program.Sean A. Riley -2013 -Teaching Philosophy 36 (3):239-252.
    Building a high school philosophy program from scratch requires vision, creativity, determination, and patience. I recount the steps my colleagues and I took to implement philosophy courses at The Stony Brook School and discuss the challenges that arose along the way. I also offer general outlines of the three courses we have implemented (Critical Reading and Reasoning, History of Philosophy, and Ethics and Politics), discuss pedagogical approaches that we have found to work with high school students, and share feedback on (...) the courses from my students. (shrink)
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  25.  23
    The Dynamics of Public Health Responsibility: A Commentary on "Public Health and Precarity" by Michael D. Doan and Ami Harbin.Sean A. Valles -2020 -International Journal of Feminist Approaches to Bioethics 13 (2):135-140.
    Health is created and lived by people within the settings of their everyday life; where they learn, work, play and love. Health is created by caring for oneself and others, by being able to take decisions and have control over one's life circumstances, and by ensuring that the society one lives in creates conditions that allow the attainment of health by all its members.To begin, I largely agree with Doan and Harbin's argument in "Public Health and Precarity," and by extension (...) I largely agree with Sherwin's relational approach to public health. Since this is a commentary on Doan and Harbin's piece, I will keep this relatively short work focused on their paper, rather than... (shrink)
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  26.  23
    Heterogeneity of Risk within Racial Groups, a Challenge for Public Health Programs.Sean A. Valles -2012 -Preventive Medicine 55 (5):405-408.
    Targeting high-risk populations for public health interventions is a classic tool of public health promotion programs. This practice becomes thornier when racial groups are identified as the at-risk populations. I present the particular ethical and epistemic challenges that arise when there are low-risk subpopulations within racial groups that have been identified as high-risk for a particular health concern. I focus on two examples. The black immigrant population does not have the same hypertension risk as US-born African Americans. Similarly, Finnish descendants (...) have a far lower rate of cystic fibrosis than other Caucasians. In both cases the exceptional nature of these subpopulations has been largely ignored by the designers of important public health efforts, including the recent US government dietary recommendations. I argue that amending the publicly-disseminated risk information to acknowledge these exceptions would be desirable for several reasons. First, recognizing low-risk subpopulations would allow more efficient use of limited resources. Communicating this valuable information to the subpopulations would also promote truth-telling. Finally, presenting a more nuanced empirically-supported representation of which groups are at known risk of diseases (not focusing on mere racial categories) would combat harmful biological race essentialist views held by the public. (shrink)
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  27.  16
    The Coupled Ethical-Epistemic Model as a Resource for Feminist Philosophy of Science, and a Case Study Applying the Model to the Demography of Hispanic Identity.Sean A. Valles -2021 - In Heidi Elizabeth Grasswick & Nancy Arden McHugh,Making the Case: Feminist and Critical Race Philosophers Engage Case Studies. Albany: SUNY Press. pp. 47-71.
  28.  65
    The challenges of choosing and explaining a phenomenon in epidemiological research on the “Hispanic Paradox”.Sean A. Valles -2016 -Theoretical Medicine and Bioethics 37 (2):129-148.
    According to public health data, the US Hispanic population is far healthier than would be expected for a population with low socioeconomic status. Ever since Kyriakos Markides and Jeannine Coreil highlighted this in a seminal 1986 article, public health researchers have sought to explain the so-called “Hispanic paradox.” Several candidate explanations have been offered over the years, but the debate goes on. This article offers a philosophical analysis that clarifies how two sets of obstacles make it particularly difficult to explain (...) the Hispanic paradox. First, different research projects define the Hispanic paradox phenomenon in substantially different ways. Moreover, using Bas van Fraassen’s pragmatic theory of explanation andSean Valles’s extension of it with the concept of “phenomenon choice,” it also becomes clear that there are also multiple ways of explaining each individual definition of the phenomenon. A second set of philosophical and methodological challenges arises during any attempt to study “Hispanic” phenomena, with one key challenge being that the “Hispanic” panethnic concept was intentionally made vague as it was developed and popularized during the 1960s–1970s. After comparing this case with similar cases in the philosophical literature, the article concludes with observations on what makes this problem unique, particularly its ethical features. (shrink)
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  29.  111
    The mystery of the mystery of common genetic diseases.Sean A. Valles -2010 -Biology and Philosophy 25 (2):183-201.
    Common monogenic genetic diseases, ones that have unexpectedly high frequencies in certain populations, have attracted a great number of conflicting evolutionary explanations. This paper will attempt to explain the mystery of why two particularly extensively studied common genetic diseases, Tay Sachs disease and cystic fibrosis, remain evolutionary mysteries despite decades of research. I review the most commonly cited evolutionary processes used to explain common genetic diseases: reproductive compensation, random genetic drift (in the context of founder effect), and especially heterozygote advantage. (...) The latter process has drawn a particularly large amount of attention, having so successfully explained the elevated frequency of sickle cell anemia in malaria-endemic areas. However, the empirical evidence for heterozygote advantage in other common genetic diseases is quite weak. I introduce and illustrate the significance of a hierarchy of genetic disease phenomena found within the genetic disease explanations, which include the phenomena: single mutation variants of a common genetic disease, single genetic diseases, and classes of diseases with related phenotypic effects. I demonstrate that some of the confusion over the explanations of common genetic diseases can be traced back to confusions over which phenomena are being explained. I proceed to briefly evaluate the existing evidence for two common human genetic diseases: Tay Sachs disease and cystic fibrosis. The above considerations will ultimately shed light on why these diseases’ evolutionary explanations remain so deeply unresolved after so such a great volume of research. (shrink)
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  30.  62
    Validity and Utility in Biological Traits.Sean A. Valles -2013 -Biological Theory 8 (1):93-102.
    “Trait” is a ubiquitous term in biology, but its precise meaning and theoretical foundations remain opaque. After distinguishing between “trait” and “character,” I argue for the value of adopting Theodosius Dobzhansky’s 1956 definition and framework for understanding “trait,” which holds that traits are just “semantic devices” that artificially impose order on continuous biological phenomena. I elaborate on this definition to distinguish between trait validity (compliance with Dobzhansky’s trait definition) and trait utility (usefulness of a trait). As a consequence of this (...) elaboration of the meaning of “trait,” it becomes clear that considerations of adaptation, function, homogeneity and natural kinds have clouded discussions of the meaning of “trait” per se. Combining this account with work by David Hull and examples from contemporary biology, I demonstrate that even broad or heterogeneous traits (including multiple sub-traits) can qualify as valid and useful. As a test case for this understanding of trait, I show how it can help resolve critiques of schizophrenia’s status as a single trait, highlighting the recent advances made within schizophrenia research. (shrink)
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  31.  61
    One’s Own Brain as Trickster.Sean A. Day -1998 -American Journal of Semiotics 14 (1-4):157-165.
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  32.  14
    Late antique trade: Research methodologies.Sean A. Kingsley -2003 - In Luke A. Lavan & William Bowden,Theory and practice in late antique archaeology. Boston: Brill. pp. 1--113.
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  33.  46
    Does a philosophy of the brain tell us anything new about psychomotor disorders?Sean A. Spence -1999 -Philosophy, Psychiatry, and Psychology 6 (3):227-229.
  34.  42
    Bioethics and the Framing of Climate Change's Health Risks.Sean A. Valles -2014 -Bioethics 29 (5):334-341.
    Cheryl Cox MacPherson recently argued, in an article for this journal, that ‘Climate Change is a Bioethics Problem’. This article elaborates on that position, particularly highlighting bioethicists' potential ability to help reframe the current climate change discourse to give more attention to its health risks. This reframing process is especially important because of the looming problem of climate change skepticism. Recent empirical evidence from science framing experiments indicates that the public reacts especially positively to climate change messages framed in public (...) health terms, and bioethicists are particularly well positioned to contribute their expertise to the process of carefully developing and communicating such messages. Additionally, as climate framing research and practice continue, it will be important for bioethicists to contribute to the creation of that project's nascent ethical standards. The discourse surrounding antibiotic resistance is posited as an example that can lend insight into how communicating a public health-framed message, including the participation of bioethicists, can help to override public skepticism about the findings of politically contentious scientific fields. (shrink)
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  35.  37
    Kierkegaard's Echo in the Early Theology of Karl Barth.Sean A. Turchin -2012 -Kierkegaard Studies Yearbook 2012 (1).
  36.  62
    Felix culpa: The doctrine of original sin as doctrine of hope in aquinas'ssumma contra gentiles.Sean A. Otto -2009 -Heythrop Journal 50 (5):781-792.
  37.  64
    Grammar induction by unification of type-logical lexicons.Sean A. Fulop -2010 -Journal of Logic, Language and Information 19 (3):353-381.
    A method is described for inducing a type-logical grammar from a sample of bare sentence trees which are annotated by lambda terms, called term-labelled trees . Any type logic from a permitted class of multimodal logics may be specified for use with the procedure, which induces the lexicon of the grammar including the grammatical categories. A first stage of semantic bootstrapping is performed, which induces a general form lexicon from the sample of term-labelled trees using Fulop’s (J Log Lang Inf (...) 14(1):49–86, 2005) procedure. Next we present a two-stage procedure for performing distributional learning by unifying the lexical types that are initially discovered. The first structural unification algorithm in essence unifies the initial family of sets of types so that the resulting grammar will generate all term-labelled trees that follow the usage patterns evident from the learning sample. Further altering the lexical categories to generate a recursively extended language can be accomplished by a second unification. The combined unification algorithm is shown to yield a new type-logical lexicon that extends the learning sample to a possibly infinite (and possibly context-sensitive) language in a principled fashion. Finally, the complete learning strategy is analyzed from the perspective of algorithmic learning theory; the range of the procedure is shown to be a class of term-labelled tree languages which is finitely learnable from good examples (Lange et al in Algorithmic learning theory, Vol 872 of lecture notes in artificial intelligence, Springer, Berlin, pp 423–437), and so is identifiable in the limit as a corollary. (shrink)
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  38. Race in Medicine.Sean A. Valles -2016 - In Miriam Solomon, Jeremy R. Simon & Harold Kincaid,The Routledge Companion to Philosophy of Medicine. New York, NY: Routledge.
     
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  39.  33
    Studies in Stoicism.P. A. Brunt &MichaelCrawford -2013 - Oxford: Oxford University Press. Edited by Michael H. Crawford, Miriam T. Griffin & Alison Samuels.
    Studies in Stoicism contains six unpublished and seven republished essays, the latter incorporating additions and changes which Brunt wished to be made. The papers have been integrated and arranged in chronological order by subject matter, with an accessible lecture to the Oxford Philological Society serving as Brunt's own introduction.
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  40.  21
    Fifty Years of U.S. Mass Incarceration and What It Means for Bioethics.Sean A. Valles -2023 -Hastings Center Report 53 (6):25-35.
    A growing body of literature has engaged with mass incarceration as a public health problem. This article reviews some of that literature, illustrating why and how bioethicists can and should engage with the problem of mass incarceration as a remediable cause of health inequities. “Mass incarceration” refers to a phenomenon that emerged in the United States fifty years ago: imprisoning a vastly larger proportion of the population than peer countries do, with a greatly disproportionate number of incarcerated people being members (...) of marginalized racial and ethnic groups. Bioethicists have long engaged with questions of health justice for incarcerated people, including consent issues for those participating in research and access to health care. This article provides an overview of the individual and public health impacts of mass incarceration. The article argues that mass incarceration is a bioethics issue that should be addressed in medical education, identifies opportunities for bioethicists to guide hospitals’ interactions with law enforcement officials, and calls on bioethicists to be in conversation with medical and nursing students and health care professionals about these groups’ advocacy efforts concerning structural racism, police violence, and mass incarceration. (shrink)
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  41.  40
    Review Essay: Theism, Evil, and the Search for Answers: Some Recent Scholarship on Theodicy and the Problem of Evil.Sean A. Otto -2015 -Heythrop Journal 56 (1):136-140.
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  42.  139
    Semantic bootstrapping of type-logical grammar.Sean A. Fulop -2004 -Journal of Logic, Language and Information 14 (1):49-86.
    A two-stage procedure is described which induces type-logical grammar lexicons from sentences annotated with skeletal terms of the simply typed lambda calculus. First, a generalized formulae-as-types correspondence is exploited to obtain all the type-logical proofs of the sample sentences from their lambda terms. The resulting lexicons are then optimally unified. The first stage constitutes the semantic bootstrapping (Pinker, Language Learnability and Language Development, Harvard University Press, 1984), while the unification procedure of Buszkowski and Penn represents a first attempt at structure-dependent (...) distributional learning of the syntactic and semantic categories. This effort extends earlier induction procedures (Buszkowski and Penn, 1990, Studia Logica 49, 431–454; Kanazawa, 1998, CSLI Publications and the European Association for Logic, Language and Information) for classical categorial grammar to at first the non-associative Lambek calculus, and then to a large class of type logics enriched by modal operators and structural rules. (shrink)
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  43.  114
    Risks associated with genetic modification: – An annotated bibliography of Peer reviewed natural science publications. [REVIEW]Sean A. Weaver &Michael C. Morris -2005 -Journal of Agricultural and Environmental Ethics 18 (2):157-189.
    We present an annotated bibliography of peer reviewed scientific research highlighting the human health, animal welfare, and environmental risks associated with genetic modification. Risks associated with the expression of the transgenic material include concerns over resistance and non-target effects of crops expressing Bt toxins, consequences of herbicide use associated with genetically modified herbicide-tolerant plants, and transfer of gene expression from genetically modified crops through vertical and horizontal gene transfer. These risks are not connected to the technique of genetic modification as (...) such, but would be present for any conventionally produced crops with the same heritable traits. In contrast, other risks are a direct consequence of the method used in gene manipulation. These come about because of the unstable nature of the transgene and vectors used to insert it, and because of unpredictable interactions between the transgene and the host genome. The debate over the release of genetically modified organisms is not merely a scientific one; it encompasses economics, law, ethics, and policy. Any discussion on these levels does, however, need to be informed by sound science. We hope that the scientific references provided here will provide a useful starting point for further debate. (shrink)
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  44.  24
    Avoidance behavior: Assumptions, theory, and metatheory.Fred A. Masterson &MaryCrawford -1982 -Behavioral and Brain Sciences 5 (4):685-696.
  45.  70
    Why Race and Ethnicity Are Not Like Other Risk Factors.Sean A. Valles -2021 -Philosophy of Medicine 2 (1).
    Since early in the Covid-19 pandemic, there have been wide disparities observed between different US racial groups’ rates of Covid-19 infections and deaths. This challenges physicians and patients to untangle what these race-associated risks mean for an individual patient. I argue that this task of providing individualized risk advice requires physicians to apply two skills: structural competency and epistemic humility.
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  46.  56
    The Predictable Inequities of COVID-19 in the US: Fundamental Causes and Broken Institutions.Sean A. Valles -2020 -Kennedy Institute of Ethics Journal 30 (3):191-214.
    “Nobody had ever seen anything like this before.”“Nobody would have ever thought a thing like this could have happened.”There is a lot at stake in the current and forthcoming debates over what/why/how the COVID-19 pandemic’s effects on the US were unpredictable. These debates are crucial to both our assessments of backward-looking culpability and in the related but even more socially important task of guiding decisions about how to rebuild society after the pandemic subsides. The more we treat the harm as (...) unexpected—a fluke—the more we bolster the argument that no major structural changes need to be made to the US health system. I come to this question as one of... (shrink)
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  47.  42
    Environmental Justice for Whom?Sean A. Valles -2024 -American Journal of Bioethics 24 (3):24-26.
    Ray and Cooper (2024) make a very compelling argument for vastly increasing bioethicists’ engagement with environmental justice. I strongly support this proposal and agree with their arguments. Yet...
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  48.  44
    Stigmatizing women's aggressive behavior: Who does it benefit and why?Marc A. Johnston &Charles B.Crawford -1999 -Behavioral and Brain Sciences 22 (2):226-227.
    Why is female violence a taboo? We suggest that both men and women actively contribute to the creation of this stigma. Men may benefit because nonaggressive women may make better mothers and be more faithful and fertile. Females may benefit by downplaying their aggressive nature because they will be perceived as more valuable mates and because they will be more accepted within female social groups.
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  49.  63
    Reflecting on what philosophy of epidemiology is and does, as the field comes into its own: Introduction to the Special Issue on Philosophy of Epidemiology.Jonathan Michael Kaplan &Sean A. Valles -2019 -Synthese 198 (Suppl 10):2383-2392.
    This article is an introduction to the Synthese Special Issue, Philosophy of Epidemiology. The overall goals of the issue are to revisit the state of philosophy of epidemiology and to provide a forum for new voices, approaches, and perspectives in the philosophy of epidemiology literature. The introduction begins by drawing on Geoffrey Rose’s work on how to conceptualize and design interventions for populations, rather than individuals. It then goes on to highlight some themes that emerged in the articles that make (...) up the issue: philosophy of epidemiology and epidemiological theory—what they are and what they ought to be, pluralism in measurement and causal attribution, epistemic and non-epistemic values in disputes epidemiological practices, decentering philosophy of epidemiology’s Eurocentrism, letting pragmatism guide uses of big data in epidemiology, and revisiting the lessons of classic texts in epidemiological causal inference. The introduction concludes with comments on a philosophy of epidemiology debate we see on, regarding the politics of philosophy of epidemiology. (shrink)
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  50.  99
    Lionel Penrose and the concept of normal variation in human intelligence.Sean A. Valles -2012 -Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences 43 (1):281-289.
    Lionel Penrose (1898–1972) was an important leader during the mid-20th century decline of eugenics and the development of modern medical genetics. However, historians have paid little attention to his radical theoretical challenges to mainline eugenic concepts of mental disease. Working from a classification system developed with his colleague, E. O. Lewis, Penrose developed a statistically sophisticated and clinically grounded refutation of the popular position that low intelligence is inherently a disease state. In the early 1930s, Penrose advocated dividing “mental defect” (...) (low intelligence) into two categories: “pathological mental defect,” which is a disease state that can be traced to a distinct genetic or environmental cause, and “subcultural mental defect,” which is not an inherent disease state, but rather a statistically necessary manifestation of human variation in intelligence. I explore the historical context and theoretical import of this contribution, discussing its rejection of typological thinking and noting that it preceded Theodosius Dobzhansky’s better-known defense of human diversity. I illustrate the importance of Penrose’s contribution with a discussion of an analogous situation in contemporary medicine, the controversial practice of using human growth hormone injections to treat “idiopathic short stature” (mere diminutive height, with no distinct cause). I show how Penrose’s contributions to understanding human variation make such treatments appear quite misguided. (shrink)
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