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See detailEsthétique des supports vidéoludiques
Delbouille, Julie ULg

in Durand, Pascal; Servais, Christine (Eds.) L’intervention du support. Espaces et cadrages de la communication artistique / Cinéma, théâtre, édition, jeu vidéo (in press)

Un grand nombre de travaux se sont, depuis Mac Luhan, attachés à montrer que les supports, loin d’être les vecteurs indifférents de messages ou d’informations, endossent un rôle déterminant dans les ... [more ▼]

Un grand nombre de travaux se sont, depuis Mac Luhan, attachés à montrer que les supports, loin d’être les vecteurs indifférents de messages ou d’informations, endossent un rôle déterminant dans les processus de communication, et tout particulièrement dans le domaine des arts et de la culture. L’objectif de cet article est de déterminer, par le biais de l’objet d’étude que constitue le médium vidéoludique, l’influence que le support peut avoir sur le message, mais aussi, plus largement, sur les usages des joueurs. [less ▲]

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See detailEsthétique du symptôme et politique de l’imagination
Hagelstein, Maud ULg

Conference (2012, September 04)

Cette intervention se propose de retracer les moments décisifs de la construction de la théorie de l’image didi-hubermanienne. Celle-ci se décline en deux temps (esthétique du symptôme / politique de ... [more ▼]

Cette intervention se propose de retracer les moments décisifs de la construction de la théorie de l’image didi-hubermanienne. Celle-ci se décline en deux temps (esthétique du symptôme / politique de l’image), jalonnés de rencontres avec des auteurs dont l’influence est manifeste (Panofsky, Freud, Warburg, Benjamin). En automne 2006, la revue Vacarme (n°37) proposait à ses lecteurs un entretien avec Georges Didi-Huberman (mené par Pierre Zaoui et Mathieu Potte-Bonneville). Au milieu de l’entretien, surgit la demande suivante : « Permettez-moi de vous poser la question un peu brutalement : quel est votre rapport réel à la politique ? […] Il semble que vous entreteniez un rapport extrêmement subtil, mais du même coup peu lisible au premier coup d’œil, à la chose publique et à la question des rapports sociaux en général. […] Il semble que vous vous arrêtiez toujours aux frontières de l’engagement, à la fois pour des motifs à la Foucault – ne pas s’emparer de la parole et de l’image de ceux qui souffrent ou agissent – et pour des motifs plus "indicibles" ». La réponse de Didi-Huberman n’est pas – à cet endroit du moins – bouleversante d’originalité : il faut bien dit-il reconnaître sa limite sur certains dossiers de l’actualité – s’engager à tout va, sans connaître les problèmes de première main, ne servirait à rien. Il admet : de nature contemplative, le rapport aux images semble d’abord coupé de l’action. Mais par ailleurs, le théoricien de l’image ne peut se résoudre à la fascination d’un monde visuel replié sur lui-même. Il faut bien qu’il sorte du musée, de la bibliothèque, de l’atelier d’artiste, pour plonger au cœur du réel et se contraindre à affronter ses aspects les plus inquiétants. Mettre les images au contact du réel, voilà la tâche la plus difficile : « L’inquiétude du contact entre l’image et le réel n’est autre qu’une accession à la dimension politique des images » . Depuis cet entretien, Didi-Huberman a développé une « politique de l’image » plus explicite, avec deux ouvrages en 2009 : Quand les images prennent position (premier volume d’un cycle intitulé L’œil de l’histoire – en trois volumes désormais tous publiés) et Survivance des lucioles (autour de Paolini). À nouveau marqué par le souffle critique de Walter Benjamin, ce dernier texte permet à son auteur de se situer très clairement dans le champ de la réflexion politique sur l’image – en prenant, surtout, ses distances à l’égard de la pensée « apocalyptique » de Giorgio Agamben. Tel est bien l’argument décisif de Survivance des lucioles : face au constat tragique du « dépérissement culturel » de nos sociétés actuelles, deux attitudes sont possibles. Soit on souligne le pire, en reprochant aux images leur pacte secret avec le pouvoir aliénant, et on prend le ton défaitiste du chroniqueur de la fin des temps, attendant désespérément une rédemption venue d’on ne sait où. Soit on souligne les efforts de résistance, les lueurs du contre-pouvoir et la « capacité de suspension, de transformation, de bifurcation » de l’image s’insérant dans la sphère politique. Mais on ne peut pas parler pour autant d’un « tournant politique » de l’esthétique didi-hubermanienne, tant les thèmes aujourd’hui avancés dans les ouvrages récents font écho aux premières interventions. Le débat épistémologique entamé très tôt avec les maîtres à penser de l’histoire de l’art traditionnelle montrait déjà à quel point les opérations théoriques relatives aux images (décrire, interpréter, analyser, retracer l’histoire) sont lourdes de conséquences d’un point de vue idéologique. Je voudrais faire voir la continuité très nette que l’on peut établir entre l’esthétique du symptôme et la politique de l’image. [less ▲]

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See detailEsthétique et politique de l’image chez Yves Chaland. Lectures croisées
Hagelstein, Maud ULg; Dejasse, Erwin ULg

Scientific conference (2010, December 16)

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See detailEsthétique et repésentation dans les bandes dessinées d'Afrique noire francophone
Goufo Zemmo, ULg

Conference (2016, May 13)

Les campagnes de sensibilisation développées ces dernières années à travers internet, les festivals de bandes dessinées, sans oublier le succès de la bande dessinée Aya de Yopougon ont contribué ... [more ▼]

Les campagnes de sensibilisation développées ces dernières années à travers internet, les festivals de bandes dessinées, sans oublier le succès de la bande dessinée Aya de Yopougon ont contribué concrètement à lever un pan de voile sur les romans graphiques africains d’expression française. À ce sujet, de nombreuses interrogations se formulent quant à la réelle consommation de ces produits par les Africains, et les formes esthétiques qui en découlent. L’image n’est jamais neutre, elle est toujours le résultat du déploiement d’une subjectivité. Ainsi, nous nous proposons dans le cadre de cette communication de dépasser la question du fonctionnement esthétique de la bande dessinée d’Afrique noire francophone pour comprendre le système représentationnel et intersubjectif qui y est construit, ce qui nous permettra de montrer que les images réfléchissent non seulement sur le monde mais aussi sur elles-mêmes et par elles-mêmes. Il s’agira aussi de montrer qu’en tant que « lieu de savoir », la bande dessinée devient le siège concret de l’activité humaine et de la productivité sociale et culturelle. En tant que tel, les dispositions spatiales qui en sont faites, ne seraient pas du tout aléatoires, mais s’inscriraient dans un processus permettant une interprétation des sujets représentés de manière générale, et notamment les sujets féminins. [less ▲]

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See detailEsthétique matérielle, philosophie de l'histoire et barbarie
Hagelstein, Maud ULg

Scientific conference (2012, February 08)

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See detailL'esthétique nietzschéenne : une médecine de la civilisation
Remacle, François ULg

Conference (2011)

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See detailL'esthétique phénoménologique de Husserl : une approche contrastée
Steinmetz, Rudy ULg

Book published by Kimé (2011)

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See detailEsthétique, affectivité et réflexivité. Essai sur la dimension interculturelle de l'anthropologie existentielle de Jean-Paul Sartre
Nke, Fridolin ULg

Doctoral thesis (2012)

Using existential anthropology in understanding contemporary history I try to reveal the value of the Sartrean model of intentional consciousness in understanding the human relationships and the political ... [more ▼]

Using existential anthropology in understanding contemporary history I try to reveal the value of the Sartrean model of intentional consciousness in understanding the human relationships and the political conflicts of our time. I examine the cultural aspects of Sartre’s thought. Sartre’s existential anthropology of the historical real-life refers to a complex philosophical method inspired by Husserl’s phenomenology, Freud’s psychoanalysis and Marx’s dialectic. It aims at understanding individual’s imaginary and behavior. Using that method, not only are we able to reveal the structure of people’s intentions in building and defending their personal and national interests, but also can we manifest the imaginary that constitute what Sartre designates by Dog’s mind, that meant criminal’s and racist’s beliefs. Sartre used his method in understanding writers as Baudelaire, Flaubert or Genet, who was also a criminal. Our intention is to apply psycho-analysis in understanding great figures of human history, such as Hitler, the “Dog” of our time, so that we shall be able to built harmless intercultural relationships. [less ▲]

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See detailEsthétique, vérité, histoire : la philosophie comme critique selon (Bachelard et) Benjamin
Pieron, Julien ULg

Scientific conference (2013, April 26)

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See detailAn estimate of the number of tropical tree species
Slik, J.W. Ferry; Arroyo-Rodriguez, Victor; Aiba, Shin-Ichiro et al

in Proceedings of the National Academy of Sciences of the United States of America (2015), 112(24), 7472-7477

The high species richness of tropical forests has long been recognized, yet there remains substantial uncertainty regarding the actual number of tropical tree species. Using a pantropical tree inventory ... [more ▼]

The high species richness of tropical forests has long been recognized, yet there remains substantial uncertainty regarding the actual number of tropical tree species. Using a pantropical tree inventory database from closed canopy forests, consisting of 657,630 trees belonging to 11,371 species, we use a fitted value of Fisher’s alpha and an approximate pantropical stem total to estimate the minimum number of tropical forest tree species to fall between ∼40,000 and ∼53,000, i.e., at the high end of previous estimates. Contrary to common assumption, the Indo-Pacific region was found to be as species-rich as the Neotropics, with both regions having a minimum of ∼19,000–25,000 tree species. Continental Africa is relatively depauperate with a minimum of ∼4,500–6,000 tree species. Very few species are shared among the African, American, and the Indo-Pacific regions. We provide a methodological framework for estimating species richness in trees that may help refine species richness estimates of tree-dependent taxa. [less ▲]

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See detailEstimate of total salt intake in two regions of Belgium through analysis of sodium in 24h urine samples
Vandevijvere, Stéphanie; De Keyzer, W.; Chapelle, Jean-Paul ULg et al

in European Journal of Clinical Nutrition (2010)

Objectives: To evaluate total salt intake in the adult population through an analysis of sodium in 24-h urine samples in two regions of Belgium. Methods: Urine samples were collected over 24 h from ... [more ▼]

Objectives: To evaluate total salt intake in the adult population through an analysis of sodium in 24-h urine samples in two regions of Belgium. Methods: Urine samples were collected over 24 h from participants and they had to complete a specific questionnaire about salt intake afterwards. Sodium and creatinine concentrations were analysed in these samples. Subjects: The target population comprised adults aged 45–65 years in the region of Ghent and Liege. A total of 123 and 157 volunteers from Ghent and Liege, respectively, were included in the study. Results: The mean creatinine level in Flanders (n=114) amounted to 0.173±0.035 mmol/kg/day, whereas in the Walloon region (n=135) it amounted to 0.161±0.036 mmol/kg/day, after the exclusion of subjects with incomplete urine collection. Intake of sodium in Flanders (n=114) was 4.29±1.29 g/day, whereas in the Walloon region (n=135) it was 3.94±1.44 g/day. In both regions, sodium intake in men was higher than in women. Conclusion: Salt intake was more or less twice as high as the recommended intake. Salt intake as estimated from 24-h urine collections is substantially higher than that previously calculated on the basis of food consumption data. A salt reduction programme for Belgium is primordial. [less ▲]

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See detailAn estimate of V348 SGR effective temperature
Heber, U.; Heck, A.; Houziaux, Léo ULg et al

in Fourth European IUE Conference (1984, July 01)

The IUE low dispersion spectra of the irregular variable V348 Sgr taken close to maximum light were compared with those of the B-type stars HD 53138 and HD 58350 and with those of the extreme helium stars ... [more ▼]

The IUE low dispersion spectra of the irregular variable V348 Sgr taken close to maximum light were compared with those of the B-type stars HD 53138 and HD 58350 and with those of the extreme helium stars HD 12448 and LS II + 33 deg 005. Energy distribution of V348 Sgr was compared with a theoretical continuous distribution based on UBVRI and uvby photometric measurements close to maximum brightness. Results show that V348 Sgr has a carbon-rich atmosphere and a spectral type between s+B3 and s+B5 in the UV (corresponding to between B3 Ia and B5 Ia in the visible). The object probably belongs to the group of extreme helium stars with an effective temperature of 15,000 to 16,000 K. [less ▲]

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See detailEstimated daily intake and cumulative risk assessment of phthalate diesters in a Belgian general population
Dewalque, Lucas ULg; Charlier, Corinne ULg; PIRARD, Catherine ULg

in Toxicology Letters (2014), 231(2), 161-168

The daily intakes (DI) were estimated in a Belgian general population for 5 phthalates, namely diethyl phthalate (DEP), di-n-butyl phthalate (DnBP), di-iso-butyl phthalate (DiBP), butylbenzyl phthalate ... [more ▼]

The daily intakes (DI) were estimated in a Belgian general population for 5 phthalates, namely diethyl phthalate (DEP), di-n-butyl phthalate (DnBP), di-iso-butyl phthalate (DiBP), butylbenzyl phthalate (BBzP) and di-2-ethylhexyl phthalate (DEHP), based on the urinary measurements of their corresponding metabolites. DI values ranged between <LOD and 59.65 μg/kg bw/day depending on the congener, and were globally higher for children than adults. They were compared to acceptable levels of exposure (tolerable daily intakes) to evaluate the hazard quotients (HQ), which highlight an intake above the dose considered as safe for values greater than 1. If very few of our Belgian participants exceeded this threshold for phthalates considered individually, 6.2% of the adults and 25% of the children showed an excessive hazard index (HI) which took into account the cumulative risk of adverse anti-androgenic effects. These results are of concern since these HI were based on only 3 phthalates (DEHP, DiBP and DnBP), and showed a median of 0.55 and 0.29 for children and adults respectively. The comparison with previously determined dietary intakes demonstrated that for DEHP, food intake was nearly the only route of exposure while other pathways occurred mainly for the other studied phthalates. [less ▲]

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See detailEstimated energy balance in the jovian upper atmosphere during an auroral heating event
Melin, H.; Miller, S.; Stallard, T. et al

Poster (2005)

We present an analysis of a series of observations of the auroral/polar regions of Jupiter, carried out between September 8 and 11, 1998, making use of the high-resolution spectrometer, CSHELL, on the ... [more ▼]

We present an analysis of a series of observations of the auroral/polar regions of Jupiter, carried out between September 8 and 11, 1998, making use of the high-resolution spectrometer, CSHELL, on the NASA InfraRed Telescope Facility (IRTF), Mauna Kea, Hawaii; these observations spanned an ``auroral heating event". This analysis combines the measured line intensities and ion velocities with a one-dimensional model of the jovian thermosphere/ionosphere (Grodent et al. 2001). We compute the model line intensities both assuming local thermodynamic equilibrium (LTE) and, relaxing this condition (non-LTE), through detailed balance calculations (Oka et al. 2004), in order to compare with the observations. Taking the model parameters derived, we calculate the changes in heating rate required to account for the modeled temperature profiles that are consistent with the measured line intensities. Comparison of the various heating and cooling terms enables us to investigate the balance of energy inputs into the auroral/polar atmosphere. Increases in Joule heating and ion drag are sufficient to explain the observed heating of the atmosphere; increased particle precipitation makes only a minor heating contribution. But local cooling effects - predominantly H[SUB]3[SUP]+[/SUP][/SUB] radiation-to-space - are shown to be too inefficient to allow the atmosphere to relax back to pre-event thermal conditions. Thus we conclude that this event provides observational, i.e. empirical, evidence that heat must be transported away from the auroral/polar regions by thermally or mechanically driven winds. [less ▲]

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See detailEstimated energy balance in the jovian upper atmosphere during an auroral heating event
Melin, Henrik; Miller, Steve; Stallard, Tom et al

in Icarus: International Journal of Solar System Studies (2006), 181(1), 256-265

We present an analysis of a series of observations of the auroral/polar regions of Jupiter, carried out between September 8 and 11, 1998, making use of the high-resolution spectrometer, CSHELL, on the ... [more ▼]

We present an analysis of a series of observations of the auroral/polar regions of Jupiter, carried out between September 8 and 11, 1998, making use of the high-resolution spectrometer, CSHELL, on the NASA InfraRed Telescope Facility (IRTF), Mauna Kea, Hawaii; these observations spanned an "auroral heating event." This analysis combines the measured line intensities and ion velocities with a one-dimensional model vertical profile of the jovian thermosphere/ionosphere. We compute the model line intensities both assuming local thermodynamic equilibrium (LTE) and, relaxing this condition (non-LTE), through detailed balance calculations, in order to compare with the observations. Taking the model parameters derived, we calculate the changes in heating rate required to account for the modelled temperature profiles that are consistent with the measured line intensities. We compute the electron precipitation rates required to give the modelled ion densities that are consistent with the measured line intensities, and derive the corresponding Pedersen conductivities. We compute the changes in heating due to Joule heating and ion drag derived from the measured ion velocities, and modelled conductivities, making use of ion-neutral coupling coefficients derived from a 3-D global circulation model. Finally, we compute the cooling due to the downward conduction of heat and the radiation-to-space from the H-3(+) molecular ion and hydrocarbons. Comparison of the various heating and cooling terms enables us to investigate the balance of energy inputs into the auroral/polar atmosphere. Increases in Joule heating and ion drag are sufficient to explain the observed heating of the atmosphere; increased particle precipitation makes only a minor heating contribution. But local cooling effects-predominantly radiation-to-space-are shown to be too inefficient to allow the atmosphere to relax back to pre-event thermal conditions. Thus we conclude that this event provides observational, i.e. empirical, evidence that heat must be transported away from the auroral/polar regions by thermally or mechanically driven winds. (c) 2005 Elsevier Inc. All rights reserved. [less ▲]

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See detailEstimated glomerular filtration rate
Delanaye, Pierre ULg; Cavalier, Etienne ULg; Krzesinski, Jean-Marie ULg

in Annals of Internal Medicine (2007), 146(1), 74-74

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See detailAn estimated glomerular filtration rate equation for the full age spectrum
Pottel, H; Hoste, L; Dubourg, L et al

in Nephrology Dialysis Transplantation (2016), 31(5), 798-806

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See detailEstimated heterogeneity of phenotypic variance of test-day yield with a structural variance model
Gengler, Nicolas ULg; Wiggans, George; Gillon, Alain ULg

in Journal of Dairy Science (2004), 87

First-lactation test-day milk, fat, and protein yields from New York, Wisconsin, and California herds from 1990 through 2000 were adjusted additively for age and lactation stage. A random regression model ... [more ▼]

First-lactation test-day milk, fat, and protein yields from New York, Wisconsin, and California herds from 1990 through 2000 were adjusted additively for age and lactation stage. A random regression model with thirdorder Legendre polynomials for permanent environmental and genetic effects was used. The model included a random effect with the same polynomial regressions for 2 yr of calvings within herd (herd-time effect) to provide herd-specific lactation curves that can change every 2 yr. (Co)variance components were estimated using expectation-maximization REML simultaneously with phenotypic variances that were modeled using a structural variance model. Maximum heritability for test-day milk yield was estimated to be ∼20% around 200 to 250 d in milk; heritabilities were slightly lower for test-day fat and protein yields. Herd-time effects explained 12 to 20% of phenotypic variance and had the greatest impact at start of lactation. Variances of test-day yields increased with time, subclass size, and milking frequency. Test month had limited influence on variance. Variance increased for cows in herds with low and high milk yields and for early and late lactation stages. Repeatabilities of variances observed for a given class of herd, test-day, and milking frequency were 14 to 17% across nested variance subclasses based on lactation stage. [less ▲]

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