In her Behavioral and Brain Sciences target article, Greenfield (1991) proposed that early in a child's development Broca's area may serve the dual function of coordinating object assembly and organizing the production of structured utterances. As development progresses, the upper and lower regions of Broca's area become increasingly specialized for motor coordination and speech, respectively. This commentary presents a connectionist simulation of aspects of this proposal. The results of the simulation confirm the main thrust of Greenfield's argument and suggest that (...) an important impetus for the developmental differentiation in Broca's area may be the increasing complexity of the computational demands made upon it. (shrink)

As the number of computational models of eye-movement control in reading increases, so too will their coverage and complexity. This will make their comparison and testing increasingly challenging. We argue here that there is a need to develop a methodology for constructing and evaluating such models, and outline aspects of a possible methodology.

Fractal patterns offer one way to represent the rough complexity of the natural world. Whilst they dominate many of our visual experiences in nature, little large-scale perceptual research has been done to explore how we respond aesthetically to these patterns. Previous research (Taylor et al., 2011) suggests that the fractal patterns with mid-range fractal dimensions have universal aesthetic appeal. Perceptual and aesthetic responses to visual complexity have been more varied with findings suggesting both linear (Forsythe et al., 2011) and curvilinear (...) (Berlyne, 1970) relationships. Individual differences have been found to account for many of the differences we see in aesthetic responses but some, such as culture, have received little attention within the fractal and complexity research fields. This 2-study paper aims to test preference responses to fractal dimension and visual complexity, using a large cohort (N=443) of participants from around the world to allow universality claims to be tested. It explores the extent to which age, culture and gender can predict our preferences for fractally complex patterns. Following exploratory analysis that found strong correlations between fractal dimension and visual complexity, a series of linear mixed-effect models were implemented to explore if each of the individual variables could predict preference. The first tested a linear complexity model (likelihood of selecting the more complex image from the pair of images) and the second a mid-range fractal dimension model (likelihood of selecting an image within mid-range). Results show that individual differences can reliably predict preferences for complexity across culture, gender and age. However, in fitting with current findings the mid-range models show greater consistency in preference not mediated by gender, age or culture. This paper supports the established theory that the mid-range fractal patterns appear to be a universal construct underlying preference but also highlights the fragility of universal claims by demonstrating individual differences in preference for the interrelated concept of visual complexity. This highlights a current stalemate in the field of empirical aesthetics. (shrink)

Examples from Chinese, Thai, and Finnish illustrate why researchers cannot always be confident about the precise nature of the word unit. Understanding ambiguities regarding where a word begins and ends, and how to model word recognition when many derivations of a word are possible, is essential for universal theories of reading applied to both developing and expert readers.

Ronan Reilly's connectionist simulation both strengthens and advances the theoretical model presented in my 1991 target article, “Language, Tools, and Brain: The Ontogeny and Phylogeny of Hierarchically Organized Sequential Behavior.” Reilly has tested the whole ontogenetic model with a single simulation study explicitly planned for this purpose. His methodology has established that the various components of the theoretical model imply and are compatible with one another. It has also indicated how learning can actualize a pre-established ontogenetic sequence (...) of combining lingusitic symbols and objects. His simulation suggests that the acquisition of linguistic speech may be facilitated by experience with object manipulation, but not vice versa. This hypothesis can and should be empirically tested through research on behavioral development in the two domains. Finally, Reilly has simulated brain architecture, as well as neural learning. His simulation therefore shows how the development of language and object manipulation can result from an interaction between preprogrammed neural architecture (analogous to network architecture) and experience (analogous to the network's training cycles). (shrink)

How do gym-goers who are normally not inclined to resort to appearance- and performance-enhancing drugs (APEDs) progressively normalize their use? Based on data collected through a year and a half of participant observation in a gym and thirty semi-directive interviews with practitioners with varying profiles in French-speaking Switzerland, this article examines the evolution of practitioners’ relations with APED use by articulating various levels of analysis. Associated with social vulnerabilities, the progressive normalization of APED use is concomitant with the “conversion” to (...) bodybuilding. Our results show the extent to which and under what conditions interactions within the layout of gyms can influence practices. From refusal to normalization, our results suggest that APEDs and the associated beliefs coincide with career stages, which we aim to bring to light here. (shrink)

Weak states and ineffective economic policies are assumed to mediate the constraints of the world system and to prevent upward mobility among peripheral countries. This article tests the effects of state strength and economic policy on world system mobility in the period 1970–85 on a sample of 162 countries. World system role and mobility were operationalized using role equivalence based network measures. Countries with effective neoorthodox policies experience significantly higher mobility, even after controlling for economic performance, as do countries with (...) states that have high despotic capacity. No effect, direct or indirect, was found for infrastructural state capacity. (shrink)

In a voting context, when the preferences of voters are described by linear orderings over a finite set of alternatives, the Maximin rule orders the alternatives according to their minimal rank in the voters’ preferences. It is equivalent to the Fallback bargaining process described by Brams and Kilgour (Group Decision and Negotiation 10:287–316, 2001). This article proposes a characterization of the Maximin rule as a social welfare function (SWF) based upon five conditions: Neutrality, Duplication, Unanimity, Top Invariance, and Weak Separability. (...) In a similar way, we obtain a characterization for the Maximax SWF by using Bottom Invariance instead of Top Invariance. Then, these results are compared to the axiomatic characterizations of two famous scoring rules, the Plurality rule and the Antiplurality rule. (shrink)

: Reilly offers an account of cosmopolitan feminism as emancipatory political practice in an age of globalization. This entails a critical engagement with international human rights law; a global feminist consciousness that contests patriarchal, capitalist, and racist power dynamics in a context of neoliberal globalization; cross-boundaries dialogue that recognizes the intersectionality of forms of oppression; collaborative transnational strategizing on concrete issues; and the utilization of global forums as sites of cosmopolitan solidarity and citizen action.

Reilly offers an account of cosmopolitan feminism as emancipatory political practice in an age of globalization. This entails a critical engagement with international human rights law; a global feminist consciousness that contests patriarchal, capitalist, and racist power dynamics in a context of neoliberal globalization; cross-boundaries dialogue that recognizes the intersectionality of forms of oppression; collaborative transnational strategizing on concrete issues; and the utilization of global forums as sites of cosmopolitan solidarity and citizen action.

Reilly offers an account of cosmopolitan feminism as emancipatory political practice in an age of globalization. This entails a critical engagement with international human rights law; a global feminist consciousness that contests patriarchal, capitalist, and racist power dynamics in a context of neoliberal globalization; cross-boundaries dialogue that recognizes the intersectionality of forms of oppression; collaborative transnational strategizing on concrete issues; and the utilization of global forums as sites of cosmopolitan solidarity and citizen action.

Cet article est l’occasion de rappeler que le numérique, outil de communication aux avantages économiques indéniables, est également un facteur de risques pour les libertés individuelles. Devenu incontournable, le développement du numérique exige une recherche perpétuelle d’équilibre entre attraits économiques et préservation des libertés individuelles. Le lecteur est invité à suivre le point de vue d’un avocat exerçant en droit du numérique, observateur de l’oscillation entre progression des outils numériques enrichis par l’intelligence artificielle et respect des principes qui gouvernent toute (...) société démocratique. (shrink)

With the increased acceptance of complementary and alternative medicine (CAM) within society, new research reflects deeper folk health histories beyond formal medical spaces. The contested relationships between formal and informal medicine have deep provenance and as scientific medicine began to professionalise in the 19th century, lay health knowledges were simultaneously absorbed and disempowered (Porter 1997). In particular, the ‘medical gaze’ and the responses of informal medicine to this gaze were framed around themes of power, regulation, authenticity and narrative reputation. These (...) responses were emplaced and mobile; enacted within multiple settings by multiple agents and structures over time. The work is drawn from secondary material from Ireland, which identify more indigenous narratives of health and act as potential sources for medical humanities. While assumptions have been made as to the place of folk-medicine being essentially rural, evidence will be presented which shows a more complex network of health beliefs and practices. The narratives of informal practice and folk-medicine drawn from evidence from Ireland point to more fluid and hybrid relations with formal medicine and suggest that the complementary nature of the two models reflected wider cultural debates and models of belief (Del Casino Jnr., Health & Place 10:59-73, 2004). (shrink)

The metaverse is equivocal. It is a science-fictional concept from the past; it is the present’s rough implementations; and it is the Promised Cyberland, expected to manifest some time in the future. The metaverse first emerged as a techno-capitalist network in a 1992 science fiction novel by Neal Stephenson. Our article thus marks the metaverse’s thirtieth anniversary. We revisit Stephenson’s original concept plus three sophisticated antecedents from 1972 to 1984: Jean Baudrillard’s simulation, Sherry Turkle’s networked identities, and Jacques Lacan’s schema (...) of suggestible consumers hooked up to a Matrix-like capitalist network. We gauge the relevance of these three antecedents following Meta’s recent promise to deliver a metaverse for the mainstream and the emergence of blockchain-oriented metaverse projects. We examine empirical data from 2021 and 2022, sourced from journalistic and social media (BuzzSumo, Google Trends, Reddit, and Twitter) as well as the United States Patent and Trademark Office. This latest chapter of the metaverse’s convoluted history reveals a focus not on virtual reality goggles but rather on techno-capitalist notions like digital wallets, crypto-assets, and targeted advertisements. The metaverse’s wallet-holders collect status symbols like limited-edition profile pictures, fashion items for avatars, tradable pets and companions, and real estate. Motivated by the metaverse’s sophisticated antecedents and our empirical findings, we propose a subtle conceptual re-orientation that respects the metaverse’s equivocal nature and rejects sanitised solutionism. Do not let the phantasmagorical goggles distract you too much: Big Meta is watching you, and it expects you to become a wallet-holder. Blockchain proponents want this as well. (shrink)

Curricular design that addresses residency physician competencies in communication skills and professionalism remains a challenge. Graphic Medicine uses comics, a medium combining text and images, to communicate healthcare concepts. Narrative Medicine, in undergraduate medical education, has limited reported usage in Graduate Medical Education. Given the time constraints and intensity of GME, we hypothesized that comics as a form of narrative medicine would be an efficient medium to engage residents.The authors created a novel curriculum to promote effective communication and professionalism, focusing (...) on empathy, compassion and cultural competency. A four-week curriculum was delivered in a neurology residency program. Excerpts from non-fiction graphic memoirs about neurological conditions were read, discussed, and paired with prompt-driven drawing exercises. Qualitative surveys were used to assess acceptability of comics, usefulness of comics to convey patient illness experience, and perception of patient needs for physician-patient communication.Ninety-seven percent of residents reported the sessions were a good use of their time. Residents identified new symptoms of neurologic disorders, articulated patient communication needs, and expressed increased empathy after participation. Residents participated in drawing exercises, but these were not formally analyzed. Graphic medicine is a well received format that may build communication skills and increase empathy. (shrink)

This article appeals to Thomas Aquinas in order to offer a construal of the nature of reason arguably preferable to that prominent in the Enlightenment. Thomas’s account neither espouses the notion that reason is devoid of any appetitive influence nor so conflates reason and will as to suggest that thinking becomes essentially a form of willing. His view does respect that the activity of willing is of fundamental import for the life of reason. Since the ultimate object of the will (...) is union with God, it follows that the virtue that specifically promotes the attainment of this end—the virtue of religion—has particular import because it aims at rectifying the will and is the most excellent among the moral virtues. In brief, this virtue promotes the optimal intellectual and moral flourishing of individuals as well as the realization of justice in society. (shrink)

This paper reviews the fate of the central ideas behind the complementary learning systems (CLS) framework as originally articulated in McClelland, McNaughton, and O’Reilly (1995). This framework explains why the brain requires two differentially specialized learning and memory systems, and it nicely specifies their central properties (i.e., the hippocampus as a sparse, pattern-separated system for rapidly learning episodic memories, and the neocortex as a distributed, overlapping system for gradually integrating across episodes to extract latent semantic structure). We review the (...) application of the CLS framework to a range of important topics, including the following: the basic neural processes of hippocampal memory encoding and recall, conjunctive encoding, human recognition memory, consolidation of initial hippocampal learning in cortex, dynamic modulation of encoding versus recall, and the synergistic interactions between hippocampus and neocortex. Overall, the CLS framework remains a vital theoretical force in the field, with the empirical data over the past 15 years generally confirming its key principles. (shrink)

No artigo O mito da atitude estética, dentre outros trabalhos, o filósofo George Dickie se opõe a teses que circunscrevem a apreciação das obras de arte a determinados estados psicológicos centrados na noção de desinteresse prático e que fundamentariam o único espaço onde elas teriam significado enquanto tais. Nosso propósito aqui, num primeiro momento, será explicitar um dos aspectos pontuais desta crítica, qual seja, a análise e objeção ao conceito de “atitude estética” defendido por Jerome Stolnitz. Num segundo momento, questionaremos (...) se, de modo geral, a objeção àquele conceito pode ser estendida ao valor da estética, considerada irrelevante para a teoria institucional da arte, o centro da filosofia de Dickie. Nesta direção, retomaremos a antiga discussão sobre a demarcação de fronteiras entre estética e filosofia da arte, mas o faremos a partir da perspectiva de Dickie e, longe de esgotá-la, apenas indicaremos possíveis caminhos para a relação entre estas duas instâncias. (shrink)

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The prefrontal cortex is widely believed to play an important role in facilitating people's ability to switch performance between different tasks. We present a biologically‐based computational model of prefrontal cortex (PFC) that explains its role in task switching in terms of the greater flexibility conferred by activation‐based working memory representations in PFC, as compared with more slowly adapting weight‐based memory mechanisms. Specifically we show that PFC representations can be rapidly updated when a task switches via a dynamic gating mechanism based (...) on a temporal‐differences reward‐prediction learning mechanism. Unlike prior models of this type, the present model develops all of its internal representations via learning mechanisms as shaped by the demands of continuous periodic task switching. This advance opens up a new domain of research into the interactions between working memory task demands and the representations that develop to meet them. Results on a version of the Wisconsin card sorting task are presented for the full model and a number of comparison networks that test the importance of various model features. Furthermore, we show that a lesioned model produces perseverative errors like those seen in frontal patients. (shrink)