Categorical perception (CP) is said to occur when a continuum of equally spaced physical changes is perceived as unequally spaced as a function of category membership (Harnad, S. (Ed.) (1987). Psychophysical and cognitive aspects of categorical perception: A critical overview. Cambridge: Cambridge University Press). A common suggestion is that CP for color arises because perception is qualitatively distorted when we learn to categorize a dimension. Contrary to this view, we here report that English speakers show no evidence of lowered discrimination (...) thresholds at the boundaries between blue and green categories even though CP is found at these boundaries in a supra-threshold task. Furthermore, there is no evidence of different discrimination thresholds between individuals from two language groups (English and Korean) who use different color terminology in the blue-green region and have different supra-threshold boundaries. Our participants' just noticeable difference (JND) thresholds suggest that they retain a smooth continuum of perceptual space that is not warped by stretching at category boundaries or by within-category compression. At least for the domain of color, categorical perception appears to be a categorical, but not a perceptual phenomenon. (shrink)

The nature of emotion concepts and whether there are any that are universally “basic” remains controversial, as acknowledged in the article “Language and Emotion.” The suggestion that some emotions are embodied through a process of association between neural networks for bodily sensations and neural circuitry dedicated to linguistic metaphor is interesting, but speculative. However, it is a hypothesis that risks relegating speakers of languages that lack sophisticated metaphors to a lower level on some scale of linguistic evolution.

We review evidence that language is involved in the establishment and maintenance of adult categories of facial expressions of emotion. We argue that individual and group differences in facial expression interpretation are too great for a fully specified system of categories to be universal and hardwired. Variations in expression categorization, across individuals and groups, favor a model in which an initial “core” system recognizes only the grouping of positive versus negative emotional expressions. The subsequent development of a rich representational structure (...) may require the integration of a verbal categorization system with a perceptual processing system that is category-agnostic. Such a model may reconcile many strands of apparently conflicting behavioral, physiological, and neuroscience evidence concerning our understanding of facial expressions of emotion. (shrink)

Theories, Technologies, Instrumentalities of Color is the outcome of a workshop, held in Leuven, Belgium, in May 2000.

If language is crucial to the development of shared colour categories, how might cultural constraints influence the development of divergent category sets? We propose that communities arrive at different sets of categories because the tendency to group by perceptual similarity interacts with environmental factors (differential access to dying and printing technologies), to make different systems optimal for communication in different situations.

In "Does the Basic Color Terms discussion suffer from the Stimulus Error?" Rolf Kuehni describes a research stumbling block known as the "stimulus error," and hints at the difficulties it causes for mainstream color naming research. Among the issues intrinsic to Kuehni's "stimulus error" description is the important question of what can generally be inferred from color naming behaviors based on bounded samples of empirical stimuli. Here we examine some specifics of the color naming research issues that Kuehni raises. While (...) we share Kuehni's view regarding potential problems caused by the "stimulus error" and his concern regarding its prevalence, Kuehni's commentary seems primarily aimed at stimulating a general discussion of color naming research implications, because the articles he critiques do not actually commit the "stimulus error" in any serious sense. Based on Kuehni's comments, we further examine some of the relevant empirical and theoretical implications for cross-cultural color naming research. (shrink)

The question of whether colour categorisation is determined by nontrivial constraints (i.e., universal neurophysiological properties of visual neurons) is an empirical issue concerning the organisation of the internal colour space. Rosch has provided psychological evidence that categories are organised around focal colours and that the organisation is universal; this commentary reconsiders that evidence.

In The Selfish Gene, Dawkins (1976) proposed the existence of a unit of cultural inheritance that he called the meme. Some examples of memes are clothing fashions, tool designs, and architectural designs. Like genes, memes must share three properties: longevity, fecundity, and copying-fidelity. Longevity refers to the lifespan of a meme, fecundity to the rate of spread of a meme, and copying-fidelity to how accurately a meme is replicated. In other work (Hardisty and Cassill, in preparation), we hypothesized that successful (...) memes should share a fourth property with successful genes: memes should affect an organism’s lifetime fitness by improving survival or reproduction. Sterelny (2006) argued that high-fitness memes include tools or artifacts that are physically enduring, made from easy to find materials, and easy to reverse-engineer. Here, we argue that another way to link memes to individual fitness is to think of tools as part of an organism’s ecological niche. Each tool or artifact an organism makes that extends its evolutionary lifespan or increases its reproductive output is thus a meme that is directly contributing to that organism’s fitness. (shrink)

The intellectual tools every business person needs in the boardroom. Includes two rare essays by Ayn Rand! With government and the media blaming big business for the world economic crisis, capitalism needs all the help it can get. It's the perfect time for this collection of essays presenting a philosophical defense of capitalism by Ayn Rand and other Objectivist intellectuals. Essential and practical, Why Businessmen Need Philosophy reveals the importance of maintaining philosophical principles in the corporate environment at all levels (...) of business from daily operations to executive decisions, and provides the tactical and tactful rational thinking required to defend companies from ideological attacks. (shrink)

Le récit du siège et de la prise d'Amid, place-forte de Mésopotamie, en 502, constitue un exemple intéressant de la manière dont se transmet un récit historique de la tradition grecque au domaine syriaque et au-delà. Présent dans l'historiographie grecque (Évagre, Procope, Malalas, Théophane) comme un épisode de la brève période d'affrontement entre Perses et Romains dans les années 502–507, ce récit connaît un succès particulier dans les textes syriaques où il passe du domaine de l'histoire à celui de la (...) légende. Cet épisode apparaît dans l'Histoire d'Édesse de 506 du pseudo-Josué, dans l'Histoire ecclésiastique du pseudo-Zacharie et dans toutes les chronographies importantes: celle de Zuqnin, du pseudo-Denys, dans celle d'Édesse de 1234 et dans celle de Michel le Syrien. Il est par ailleurs mentionné dans toutes les petites chroniques, qui indiquent la date, la durée, le nombre de victimes du siège. La similitude entre la version de Procope et celle du pseudo-Zacharie a déjà été relevée mais n'a jamais fait l'objet d'une enquête qui permette d'élucider les liens qui les unissent et d'établir par quelle voie ce texte est passé du grec au syriaque où il a été retravaillé pour répondre à des besoins apologétiques. La chute de la ville aux mains des Perses est en effet présentée à partir de l'Histoire ecclésiastique du pseudo-Zacharie comme une punition pour les chrétiens infidèles, livrés au roi perse Kavadh à qui le Christ serait apparu et aurait donné la victoire. Le récit est dès lors utilisé pour exhorter les communautés chrétiennes à persévérer dans la foi « orthodoxe ». Cette version du siège est ensuite traduite de manière inattendue en arabe puis en géorgien, dans ce qui semble être le reste d'une chronique. (shrink)

Transliteration and translation of Wedharan wewadining bawana, a Javanese classic literature on Javenese ethics and conduct of life.

Study of Aparokṣānubhūti of Śaṅkarācārya, work on Advaita philosophy.

Th is article examines the extent to which spaces are structuring influences on, or targets of, action. Two factors and their interactions are presented: the extent to which a space is 1) maintained and 2) used. As these factors increase in strength, the structural influences of a space increase while agential opportunities are diminished. Conversely, as spaces become dilapidated and abandoned, structural forces are weakened and the potential for creative action heightens. These spaces can be conceptualized as elements of the (...) ‘residual landscape’: spaces left behind by socio-historical processes and practices. Special cases are considered where the factors are inversely related and issues of structure and agency are complicated. A brief case study serves to illustrate each type of spaceand the factors which operate therein. (shrink)

The 1970s will test the headstrong and beautiful Isabelle Courtney to the extreme. They will be times of hardship and pain, hidden behind the masks of affluence and success. Brother will be pitted against brother as this story moves from London to Europe and to the searing heat of a divided Africa.

Chattopadhyaya (philosophy, Jadavpur U., Calcutta) examines the epistemological and methodological implications of induction and probability.

Karl Marx and Sri aurobindo with whose ideas this book is mainly concerned, through belong to two different culturesand ages, the affinity of their chosen ...

This engaging, wide-ranging study in comparative social and political philosophy gives a well-argued account of how ideological and even utopian views, such as normative communication, development and justice, are sociologically rooted. It also shows how this fact has been reflected in the social history of Asian countries like India and China, as well as some Western countries during the last two centuries. To illustrate the underlying concepts, reference is made to influential thinkers, both from the East and West, from Hegel (...) and James Mill to Marx and Maozedong, and from Gandhi to Rawls. The author, himself one of the major contemporary Indian philosophers, offers arguments to show that the right version of cultural relativism is objective and judgeable. Concrete case studies are cited indicating why even fundamental values like indivisible peace and "our own green planet" cannot be practically universalized. Yet this work is a sustained plea for improvable understanding between the East and the West and the transcultural value orientation of different cultures. (shrink)

This Volume Is Being Published By The Project Of History Of Indian Science Philosophy And Culture. The Main Idea Underlying This Project Is To Study The Interconnection Between Philosophy, Science And Technology As Elements Of The Culture Of India. The Hallmark Of The Project Is Its Interdisciplinarity.

There is a significant lack of diversity in philosophy, including an underrepresentation of women and people of color, and a dearth of philosophy programs that offer classes exploring philosophy outside the Western canon. This problem is further compounded by institutional racism, sexism, and ableism within philosophy pedagogy and practice and the perception that philosophy is an abstract subject suitable only for academically advanced students. If philosophy were made more accessible to a diverse group of students before they entered college, would (...) it be possible to recruit more individuals from underrepresented groups into the field? In 2018, PLATO and the APA surveyed their members about their first exposure to philosophy. It was clear that early experiences—conversations with friends and family, books in grade school, and classes in high school—were pivotal moments that generated interest in philosophy. In this paper we describe some of these experiences and suggest that P4C programs, if done well, have the potential to help build a robust and inclusive K–12 to college philosophy pipeline by tapping into the natural interest children have in philosophical wondering. (shrink)

Summary Knowledge is an important but largely neglected variable in sex education research. This study aimed to develop a measure to assess young people's knowledge about puberty and sexual development, and to examine knowledge in relation to age, gender and school. The main results of the study were that knowledge increased more between age 11/12 and 13/14 than between 13/14 and 15/16, girls knew more than boys at every age, and there were few differences in knowledge between the four schools (...) involved in the study. The research has a number of implications for sex education in schools. First, it was found that even by age 15?16 some young people lack information which is essential if they are to avoid unwanted pregnancy. Second, it may be that boys and girls need to be taught separately to enable the different needs of each gender to be addressed. Third, young people know more about some aspects of puberty and sexual development than others, and there are particular times when knowledge develops most rapidly. Giving teachers this information could help them to target areas of particular ignorance. The questionnaire developed to assess knowledge proved to be accurate and reliable, and a measure that is straightforward to score and analyse. As such, it has considerable potential for use in the classroom. (shrink)

Hype over novel quantum technologies has prompted discussion on the likely societal impacts of the sector. Calls to ensure the responsible development of quantum technologies are complicated by a lack of concrete case studies or real-world examples of irresponsible quantum. At this stage, responsible quantum faces a situation reminiscent of the Collingridge dilemma. In this dilemma, the moment in which discussion on societal risks and benefits can be most impactful is also the time when the least information is available. The (...) flipside of this challenge is an opportunity to build processes for examining the public good of quantum before the trajectory (and potential problems) of the sector become “locked in”. Recent work in this space has argued that quantum researchers and innovators must work with society to address uncertainties and concerns. By engaging quantum stakeholders and understanding their perspectives on responsibility, this paper seeks to support this proposition and enable further dialogue on responsible development and use of quantum technologies. (shrink)

An experimental realization of quantum computers is composed of two or more calcium ions trapped in a magnetic quadripole. Information is transferred to and read from the ions by means of structured lasers that interact with the ions’ vibration pattern, causing changes of energy distribution in their electronic structure. Departing from an initial state when the ions are cooled, the use of lasers modifies the internal state of one ion that is entangled with the others, then changing the collective states. (...) In such quantum computers, some of the physically possible electronic states are avoided or not taken into consideration, to force the system to work as a binary device. In this essay, we discuss the dynamics that the ions could spontaneously display and its possible implications for the principles of computational logics. (shrink)

An experimental realization of quantum computers is composed of two or more calcium ions trapped in a magnetic quadripole. Information is transferred to and read from the ions by means of structured lasers that interact with the ions’ vibration pattern, causing changes of energy distribution in their electronic structure. Departing from an initial state when the ions are cooled, the use of lasers modifies the internal state of one ion that is entangled with the others, then changing the collective states. (...) In such quantum computers, some of the physically possible electronic states are avoided or not taken into consideration, to force the system to work as a binary device. In this essay, we discuss the dynamics that the ions could spontaneously display and its possible implications for the principles of computational logics. (shrink)

Our results on hippocampal long-term potentiation are considered in the context of Xia et al.'s hypothesis. Whereas the target article proposes presynaptic PKC involvement in adenylyl cyclase activation by phosphorylation of nenromodulin, we suggest an additional postsynaptic role involving RC3/nenrogranin. Finally, we examine the possibility that the adenylyl cyclase mutant mouse may display normal learning with a selective impairment of memory.

"The Ironic Space" is a highly original study which explores how Kantian epistemology opens a critical window onto the inner form of nineteenth-century realist texts. By tracing the outlines of German idealism, the author describes a philosophical and literary paradigm, which reveals the many contours of irony in Stendhal's "Le Rouge et le noir," Goncharov's "A Common Story," and Meredith's "The Ordeal of Richard Feverel." The readings not only illuminate surprising aspects of the novels, but also demonstrate how their philosophical (...) grounding problematizes the reading process. (shrink)

Joseph Raz's defence of government is grounded in his ‘normal justification thesis’. This thesis justifies the exercise of state authority in just those cases where subjects are more likely to fulfill their duties by obeying the state than by carrying out their own deliberations. I argue that the assumptions underlying this argument are importantly similar to those made by the Enlightenment anarchist philosopher William Godwin. Raz's arguments can supplement Godwin's political theory, producing an argument which, though grounded in anarchist principles, (...) justifies a limited state authority. (shrink)