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Charis Psaltis (this volume) states that the direct predecessors of the theoretical framework of genetic psychology he is developing in his comprehensive chapter can be found in Piaget’s Genetic Epistemology, Lucien Goldmann’s Genetic Structuralism, and Serge Moscovici’s Genetic Model of Social Influence. The ideas of these scholars were further elaborated in Gerard Duveen’s contributions directed towards the advancement of genetic social psychology. Charis Psaltis states that common threads binding these approaches together were the concepts of the dialectics of genesis and structure, part-whole relations, and temporality. Psaltis emphasises that these common threads were linked with the fundamental epistemological questions that had already preoccupied philosophers such as Immanuel Kant, Georg W. F. Hegel, and Karl Marx. In this commentary I shall suggest that while the questions about the nature of knowledge bind these philosophers together, their proposed answers surpass their common links because, depending on their epistemological presuppositions, their answers are based on diverse concepts concerning the nature of knowledge. Consequently, these answers were reflected in different ways in the contributions of Piaget, Goldmann, Moscovici and Duveen in their studies of the dialectics of genesis and structure.
Large language models (LLMs) like OpenAI’s ChatGPT, Google’s Gemini and Anthropic’s Claude can be useful tools in psychiatric practice, helping with tasks such as searching for information, managing administrative work and supporting education. This article demystifies how these tools work by explaining their core operational principles and noting their key limitations, including the risks of confabulation (fabricating information), sycophancy and knowledge cut-offs. It provides practical guidance on mitigating these risks through structured ‘prompt engineering’ and offers a safety framework for integrating LLMs into low-risk administrative and educational workflows. The article stresses the importance of approaching these technologies with caution by independently verifying information, adhering to UK data protection laws and upholding the principles of best practice in patient care. The goal is to help clinicians use these powerful but fallible technologies wisely, ensuring that patient safety and professional responsibility remain paramount as they explore these new tools.
This chapter develops a theory of singular compositional explanation. The core idea is that a singular compositional explanation is a representation of an ontological dependence relation between entities mentioned in a representation of an explanans and entities mentioned in a representation of an explanandum. The account is realist in the sense that it postulates a real relation among entities in the world that would have been rejected by logical empiricists. Explanations are singular in the sense that the explanandum entity is a single spatiotemporal particular and the explanans entities are individual spatiotemporal particulars. The explanations are compositional in the sense that the explanandum entity is an individual, an individual property instance, or an individual activity instance that is explained by sets of lower level individuals, lower level property instances, or lower level activity instances.
4 Post-Hellenistic authors present a more compartmentalised idea of diseases in general and of impaired consciousness in particular. Unlike the Hippocratics, who barely discussed mental illness, these authors did distinguish impaired consciousness from mental illness through a classificatory system of dichotomic oppositions, additionally they discussed new conditions which are not mentioned in the HC. In most theorisations, perceptions play an increasingly relevant role to understand these conditions.
In the Introduction I set out to explore accounts of impaired consciousness in ancient medical texts through two axes. In the longitudinal thematic one, I aimed to contrast the different approaches to the topic against their respective medical contexts, and to establish relationships between texts, authors and periods. The transversal axis, on the other hand, focused on how the development of ideas and debates around impaired consciousness illuminates our understanding of other concepts about ancient medicine in general, and about the alluded to authors in particular. In summarising the main findings of this research I will first focus on the transversal axis, and then I shall add my final remarks about impaired consciousness itself.
This chapter draws some broad contrasts between the theory of singular compositional abduction and various Peircean accounts of abduction. In brief, Peirce and the Neo-Peirceans believe that scientists use abduction to introduce hypotheses, whereas I maintain that scientists sometimes use singular compositional abduction to confirm hypotheses. Peirce and the Neo-Peirceans have proposed that scientists hypothetico-deductively confirm hypotheses. Further, neither Peirce nor the Neo-Peirceans develop a theory of compositional explanation suitable for the case studies reviewed in Chapters 5 and 6. Moreover, their project is not focused on providing an account of scientific experimental work.
Cenobamate (CNB) has shown efficacy in reducing seizures in drug-resistant epilepsy (DRE) in clinical trials. We conducted a retrospective study at the Centre hospitalier de l’Université de Montréal epilepsy clinic to assess CNB’s real-world efficacy and safety. Among 109 patients, follow-up data were available for 68 at 3 months, 53 at 6 months and 54 at 12 months. Median seizure frequency reduction was 50.0%, 57.3% and 73.3%, respectively. Seizure freedom at 12 months was 25.9%. CNB was discontinued in 8.3% of individuals due to adverse events (non-serious) or treatment inefficacy. Our findings support CNB’s effectiveness in a DRE population.
Hippocratic doctors discussed two forms of total loss of consciousness. The most common one, where they equated fainting with a separation of the soul, and another form - independent from the psuchê - where they saw the concurrence of numerous independent bodily symptoms that ended up in a swoon. The momentary disruption of cognitive functions that occurred during fainting, and their definite cessation with death made them conceive the soul as both a broad notion that subsumed numerous mental capacities (which transiently separated from the body during swoons) and as a life force that abandoned the body for good with death.
This brief concluding chapter provides a broad brush summary of the book. If historians and philosophers of science are interested in how scientists confirm compositional hypotheses, then an important resource is the scientific literature wherein scientists appeal to experimental results. This is where the theory of singular compositional abduction provides a novel account. The book ends on a note about the incompleteness of the theory. For one thing, the theory does not provide an account of how functional magnetic resonance imaging might be used to confirm compositional hypotheses.
We introduce a method to determine the investor’s optimal portfolio size that maximizes the expected out-of-sample utility under parameter uncertainty. This portfolio size trades off between accessing investment opportunities and limiting the number of estimated parameters. Unlike sparse methods such as lasso, which exclude assets during the optimization step, our approach fixes the optimal number of assets before optimizing the portfolio weights, which improves robustness and provides greater flexibility in practical implementations. Empirically, our size-optimized portfolios outperform their counterparts applied to all available assets. Our methodology renders portfolio theory valuable even when the data-set dimension and sample size are comparable.
This article examines the relational self-care practices of migrant Chinese women working as massage workers in the United States (hereinafter referred to as Chinese massage workers). Threading both the bodily and the intimate, Chinese massage workers offer care and relaxation for their clients through the modality of touch and quiet comfort. A wealth of scholarly work highlights the complexities of migrant massage workers’ daily lives and their paid labor of care. Thus far, the study of migrant massage workers focuses mainly on their romantic, familial, and work relationships. Little is known about the relational self-care practices that migrant massage workers engage in. Drawing on 20 months of ethnographic fieldwork, this article examines the practice of Chinese massage workers caring for one another through the intellectual genealogy of self-care in Black feminist scholarship. Through an examination of relational self-care performed by and for Chinese massage workers, this article shifts the focus from analyzing the expected performances of care-giving by migrant women massage workers within the economy of racial capitalism to a reconceptualization of self-care as a relational practice.
In this paper, we consider the flow of a nematic liquid crystal in the domain exterior to a small spherical particle. We work within the framework of the $\unicode{x1D64C}$-tensor model, taking into account the orientational elasticity of the medium. Under a suitable regime of physical parameters, the governing equations can be reduced to a system of linear partial differential equations. Our focus is on precise far-field asymptotics of the flow velocity with an emphasis on its anisotropic behaviour. We are able to analytically characterize the flow pattern and compare it with that of the classical isotropic Stokes flow. The expression for velocity away from the particle can be computed numerically or symbolically.
Emerging evidence has led to an interim review of the existing 2022 Canadian Stroke Best Practice Recommendations (CSBPR) for Acute Stroke Management, 7th edition, recommendations for endovascular treatment of acute ischemic stroke. This manuscript presents an update of the recommendations for endovascular treatment, addressing the issues of posterior circulation stroke, stroke with a large core and stroke with medium vessel occlusion (MeVO). These recommendations are a timely opportunity to reassess current processes to ensure efficient access to acute stroke diagnostics, treatments and management strategies, proven to reduce mortality and morbidity. These updated recommendations supersede the endovascular thrombectomy recommendations included in the 2022 publication of the CSBPR acute stroke management module. Additional materials to support timely implementation and quality monitoring of these recommendations are available at www.strokebestpractices.ca
Longitudinal qualitative inquiry from a social gerontological perspective can offer unique insights into older adults’ wellbeing and home care service trajectories. This temporal case study of 12 older home care clients analysed 136 interviews over three time points with 53 home care network actors in Manitoba and Nova Scotia. Many clients and families grappled with service changes almost daily, even if the level or type of service appeared officially stable. The pandemic added further disruption, shaping clients’ lives, wellbeing, and relationships, as well as their access to and use of service. Notably, changes in clients’ wellbeing and needs for help were not necessarily straightforward nor always apparent to case coordinators, especially when these were tied to social, emotional, or relational wellbeing, or to clients’ living arrangements, housing, family, and community integration. Findings can enhance theorizing of change for older adults receiving home care and guide equity-informed policy and practice.
This study aimed to assess the frequency of non-sugar sweeteners (NSS) in Brazilian food products and beverages before the implementation of new nutritional labelling legislation. Specifically, we aimed to determine the eligibility of these products to contain NSS according to RDC no. 18/2008, which governed the use of NSS in Brazil during the study period.
Design:
Data were collected from 3335 packaged foods and beverages available in one of Brazil’s top ten supermarket chains, six months following the publication of front-of-package nutrition labelling (FoPNL) and 19 months before the legislation came into force.
Setting:
The study was conducted in the city of Belo Horizonte, state of Minas Gerais, Brazil.
Results:
Our analysis revealed that NSS were present in 12·5 % of the sampled products. Notably, high frequencies of NSS were observed in powder dessert mixes and soya drinks (100 %), gelatin preparations (88·1 %), chewing gum (87·1 %), tea (84·6 %) and carbonated beverages (71·4 %). Furthermore, we found that 82 % of products containing NSS made claims regarding sugar and calorie reduction, with 16·6 % of these claims being inconspicuous. Additionally, 14 % of products targeted controlled sugar intake diets, 0·5 % aimed at sugar-restricted diets and 4 % were ineligible for NSS use. Importantly, the declared NSS content adhered to Brazilian regulatory limits in beverages.
Conclusions:
While most products complied with regulatory standards, our findings highlight the presence of ineligible products and less prominent claims, which may complicate NSS identification for consumers. Continuous monitoring of NSS frequency, especially following the implementation of FoPNL, is essential for ensuring compliance with regulations and promoting informed consumer choices in Brazil.
Do economic sanctions negatively affect democracy and human rights in targeted countries? Although often intended to improve these outcomes, their record of doing so has historically been mixed at best. Most canonical studies cover the 1980s–1990s, but sanctions practice has since undergone major innovations following debates on humanitarian harm. Given this move toward ‘targeted’ sanctions, it stands to reason that sanctions may today be achieving their intended purposes. I take up policy and methodological innovations to re-examine the effects of Western sanctions seeking to improve democracy and human rights from 1990 to 2021. I find that negative effects persist, offering an important update to the empirical literature. Beyond this contribution, I present a template for replicating and extending country-year research in international relations (IR).