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See detailPosterior Cingulate Cortex-Related Co-Activation Patterns: A Resting State fMRI Study in Propofol-Induced Loss of Consciousness
Amico, Enrico ULg; Gomez, Francisco; Di Perri, Carol et al

in PLoS ONE (2014), 9

Background: Recent studies have been shown that functional connectivity of cerebral areas is not a static phenomenon, but exhibits spontaneous fluctuations over time. There is evidence that fluctuating ... [more ▼]

Background: Recent studies have been shown that functional connectivity of cerebral areas is not a static phenomenon, but exhibits spontaneous fluctuations over time. There is evidence that fluctuating connectivity is an intrinsic phenomenon of brain dynamics that persists during anesthesia. Lately, point process analysis applied on functional data has revealed that much of the information regarding brain connectivity is contained in a fraction of critical time points of a resting state dataset. In the present study we want to extend this methodology for the investigation of resting state fMRI spatial pattern changes during propofol-induced modulation of consciousness, with the aim of extracting new insights on brain networks consciousness-dependent fluctuations. Methods: Resting-state fMRI volumes on 18 healthy subjects were acquired in four clinical states during propofol injection: wakefulness, sedation, unconsciousness, and recovery. The dataset was reduced to a spatio-temporal point process by selecting time points in the Posterior Cingulate Cortex (PCC) at which the signal is higher than a given threshold (i.e., BOLD intensity above 1 standard deviation). Spatial clustering on the PCC time frames extracted was then performed (number of clusters = 8), to obtain 8 different PCC co-activation patterns (CAPs) for each level of consciousness. Results: The current analysis shows that the core of the PCC-CAPs throughout consciousness modulation seems to be preserved. Nonetheless, this methodology enables to differentiate region-specific propofol-induced reductions in PCC-CAPs, some of them already present in the functional connectivity literature (e.g., disconnections of the prefrontal cortex, thalamus, auditory cortex), some others new (e.g., reduced co-activation in motor cortex and visual area). Conclusion: In conclusion, our results indicate that the employed methodology can help in improving and refining the characterization of local functional changes in the brain associated to propofol-induced modulation of consciousness. [less ▲]

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See detailPosterior epidural migration of sequestered lumbar disc fragments. Report of two cases.
Robe, Pierre ULg; Martin, Didier ULg; Lenelle, Jacques ULg et al

in Journal of Neurosurgery (1999), 90(2 Suppl), 264-6

The posterior epidural migration of sequestered lumbar disc fragments is an uncommon event. The authors report two such cases in which patients presented with either intense radicular pain or cauda equina ... [more ▼]

The posterior epidural migration of sequestered lumbar disc fragments is an uncommon event. The authors report two such cases in which patients presented with either intense radicular pain or cauda equina syndrome. The radiological characteristics were the posterior epidural location and the ring enhancement of the mass after injection of contrast material. The major diagnostic pitfalls are discussed. [less ▲]

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See detailA Posteriori Error Estimation of Finite Element Solutions via the Direct Use of Higher Order Hierarchal Test Functions
Dular, Patrick ULg

in IEEE Transactions on Magnetics (2009), 45(3), 1360-1363

An a posteriori error estimation of finite element solutions based on the lack of fulfillment of weak formulations is developed and applied to low frequency electromagnetic problems. The error is ... [more ▼]

An a posteriori error estimation of finite element solutions based on the lack of fulfillment of weak formulations is developed and applied to low frequency electromagnetic problems. The error is quantified via higher order hierarchal test functions and local computations of their contributions on the solutions. The method only uses the weak formulation under study with no need of other kind of evaluation. [less ▲]

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See detailPostérités et paradoxes de la physiognomonie. Introduction
Stienon, Valérie ULg; Wicky, Érika

Conference (2012, May)

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See detailPostérités politiques du jugement réfléchissant esthétique. Kant, d’Arendt à Rancière
Bolmain, Thomas ULg

in MethIS : Méthodes et Interdisciplinarité en Sciences Humaines (2012), 4

Cet article concerne le concept de réflexion et son importance pour la philosophie de l’art et de la politique depuis la modernité kantienne. Il s’organise en trois temps. Il s’agira d’abord d’interroger ... [more ▼]

Cet article concerne le concept de réflexion et son importance pour la philosophie de l’art et de la politique depuis la modernité kantienne. Il s’organise en trois temps. Il s’agira d’abord d’interroger le concept de réflexion à l’œuvre dans la Critique de la raison pure et d’apprécier son rapport au jugement réfléchissant esthétique qui fait le cœur de la première partie de la Critique de la faculté de juger. Dans un deuxième temps, on montrera, en suivant H. Arendt, à quelle type de lecture politique ce problème esthétique kantien a pu donner lieu ; d’autre part, avec cette fois A. Badiou, on signalera à quelle sorte de critique s’expose la lecture arendtienne. L’objectif est en général de montrer qu’il est possible d’allier les propositions esthétiques de Kant avec un concept radical – marxien plutôt qu’arendtien – de la politique. C’est pourquoi, dans un troisième temps, on s’attachera à quelques textes de J. Rancière : la critique qu’il oppose aux lectures de Kant proposées par Bourdieu et par Lyotard démontre en effet qu’une pensée de la politique d’inspiration kantienne bien plus radicale que celle de Arendt reste possible. Plus globalement, on montrera ici que l’histoire de la philosophie moderne (par exemple kantienne) ne peut être à elle-même sa propre fin : elle doit toujours être infléchie en direction des enjeux actuels qui sont ceux de la philosophie politique, et ceux de la politique tout court. Sauf à estimer que la tâche philosophique doit désormais s’identifier à celle du gardien de musée, ou du gardien du temple. [less ▲]

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See detailPostethnicity and citizenship in the European Union
Martiniello, Marco ULg

Scientific conference (1999, September 22)

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See detailPostethnicity in Europe
Martiniello, Marco ULg

Scientific conference (1999, August 18)

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See detail‘postethnicity’ and citizenship in the European Union
Martiniello, Marco ULg

Scientific conference (2001, May 10)

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See detailPostexposure management of hepatitis A, B or C: treatment, postexposure prophylaxis and recommendations
Delwaide, Jean ULg

in Acta Gastro-Enterologica Belgica (2003), 66(3), 250-254

Although there is no consensus on the best management of acute hepatitis C or on optimal strategy of follow-up after potential contamination, certain guidelines can nevertheless be proposed for the care ... [more ▼]

Although there is no consensus on the best management of acute hepatitis C or on optimal strategy of follow-up after potential contamination, certain guidelines can nevertheless be proposed for the care of these patients in practice. It is now recommended that acute hepatitis C be treated by interferon monotherapy in the presence of a C viremia, detectable by polymerase chain reaction, and an elevation of the transaminases. The earlier the treatment is started after appearance of symptoms, the more effective it is. Management of a potentially contaminated individuals consists of screening for the C virus as early as the fifteenth day after the potentially contaminating act and, in the case of virus transmission, starting interferon treatment as soon as elevation of the transaminases appears. No special precautions are to be taken by the person potentially contaminated for avoiding possible secondary C virus transmission during the follow-up period. In the case of acute hepatitis B, antiviral treatment should not be started, in view of the high percentage of spontaneous recoveries and the potentially negative effect of treatment on the chances of spontaneous recovery. Post-exposure prophylaxis by anti-hepatitis B immunoglobin injections and/or vaccination should be considered after evaluation of the hepatitis B surface antigen status of the source and of the vaccination and vaccine-response status of the exposed person. The classic scheme for selecting the most appropriate postexposure prophylaxis is reminded. In post-exposure prophylaxis for hepatitis A virus, although there have been no studies comparing the effectiveness of vaccination with that of immunoglobin injections, it is at present proposed to provide only vaccination. The target groups eligible for post-exposure prophylaxis are evoked. [less ▲]

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See detailPostface
Badir, Sémir ULg

in Baetens, Jan (Ed.) Vivre sa vie et autres poèmes (2014)

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Badir, Sémir ULg

in Baetens, Jan (Ed.) Vivre sa vie (2005)

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Saint-Amand, Denis ULg

in Ancion, Nicolas (Ed.) 'Les Ours n'ont pas de problème de parking' suivi de 'Le Dortoir' (2014)

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Denis, Benoît ULg

in Poulet, Robert (Ed.) Handji (2013)

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Demoulin, Laurent ULg; Sindaco, Sarah ULg

in Sang de chien. Les morts sentent bon (2012)

Ce texte est la postface qui suit la réédition de deux romans d'Eugène Savitzkaya: Sang de chien et Les morts sentent bon. Ces deux romans sont situés au sein de l'ensemble de l'oeuvre. Leurs ... [more ▼]

Ce texte est la postface qui suit la réédition de deux romans d'Eugène Savitzkaya: Sang de chien et Les morts sentent bon. Ces deux romans sont situés au sein de l'ensemble de l'oeuvre. Leurs caractéristiques propres sont ensuite soulignées: il s'agit en quelque sorte de romans intermédiaires dans le parcours de l'écrivain. [less ▲]

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See detailPostface : le gouvernement des travailleurs âgés entre approches critique et pragmatique
Vrancken, Didier ULg

in Moulaert, Thibauld (Ed.) Gouverner les fins de carrière à distance. Outplacement et vieillissement actif (2012)

Postface à l'ouvrage de Thibauld Moulaert portant sur l'articulation entre approches sociologiques critiques et pragmatiques du vieillissement actif

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See detailPostface [à Dés d'enfance et autres textes, de Karel Logist]
Purnelle, Gérald ULg

in Dés d'enfance et autres textes (2013)

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