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See detailL’esthétique comme composante ludo-narrative d’un jeu. L’exemple d’INSIDE
Delbouille, Julie ULiege

in Art&Fact (in press)

Les champignons dans l’univers de Mario ; l’esthétique pixellisée de Minecraft ou d’Undertale ; le bleu azur dans Portal : autant de signes visuels qui, en tant que composantes d’un style ou d’une ... [more ▼]

Les champignons dans l’univers de Mario ; l’esthétique pixellisée de Minecraft ou d’Undertale ; le bleu azur dans Portal : autant de signes visuels qui, en tant que composantes d’un style ou d’une iconographie spécifique, signent l’identité esthétique d’une œuvre vidéoludique. Or, si les caractéristiques visuelles du jeu vidéo sont régulièrement évoquées, les réflexions qu’elles initient se limitent encore trop souvent à une évaluation des performances graphiques du jeu, voire à un commentaire sur l’appartenance ou non du médium au domaine artistique. Dans ce court article – qui marque une première étape, encore balbutiante, dans ce domaine de nos recherches –, nous souhaitons ouvrir un dialogue avec le lecteur sur le rôle de l’esthétique vidéoludique, à travers l’analyse d’une œuvre. Loin d’être anecdotique, la dimension esthétique d’un jeu joue un rôle essentiel dans la co- construction d’autres composantes du dispositif ludique, telles que la jouabilité ou la narration – le terme « esthétique » ne désignant donc pas ici le jugement de goût ou le beau, mais l’ensemble des caractéristiques formelles constituant l’identité visuelle du jeu. Inscrite au cœur de la structure des objets-jeux (du game), l’esthétique vidéoludique a également un impact tant sur l’expérience de jeu que sur la posture des joueurs (le play). Cet article se propose d’explorer ce rôle potentiel de l’esthétique à travers un cas d’étude : le jeu INSIDE (Playdead, 2015). Si notre analyse peut se déployer au sein de nombreuses œuvres vidéoludiques, l’exemple d’INSIDE se distingue par une particularité : son esthétique constitue un des piliers de la narration et d’une réflexivité qui marque profondément le gameplay du jeu – réflexivité qui a été étudiée dans un précédent article (Barnabé et Delbouille ; 2017). Plonger au cœur d’INSIDE permet donc non seulement d’illustrer la façon dont l’esthétique peut être mobilisée pour renforcer les autres dimensions du jeu, mais également la nécessité d’étudier l’esthétique propre au médium vidéoludique – au-delà de la simple qualité graphique ou du jugement de goût. [less ▲]

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See detailPD-L1 expression is regulated by both DNA methylation and NF-kB during EMT signaling in non-small cell lung carcinoma
Asgarova, Afag; Asgarov, Kamal; Godet, Yann et al

in Oncoimmunology (in press)

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See detailContribution à un lexique épigraphique: "deltographéma"
Famerie, Etienne ULiege

in Zeitschrift für Papyrologie und Epigraphik (in press)

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See detailAn Optimal Control Formulation of Pulse-Based Control Using Koopman Operator
Sootla, Aivar; Mauroy, Alexandre; Ernst, Damien ULiege

in Automatica (in press)

In many applications, and in systems/synthetic biology in particular, it is desirable to compute control policies that force the trajectory of a bistable system from one equilibrium (the initial point) to ... [more ▼]

In many applications, and in systems/synthetic biology in particular, it is desirable to compute control policies that force the trajectory of a bistable system from one equilibrium (the initial point) to another equilibrium (the target point), or in other words to solve the switching problem. It was recently shown that, for monotone bistable systems, this problem admits easyto-implement open-loop solutions in terms of temporal pulses (i.e., step functions of fixed length and fixed magnitude). In this paper, we develop this idea further and formulate a problem of convergence to an equilibrium from an arbitrary initial point. We show that this problem can be solved using a static optimization problem in the case of monotone systems. Changing the initial point to an arbitrary state allows to build closed-loop, event-based or open-loop policies for the switching/convergence problems. In our derivations we exploit the Koopman operator, which offers a linear infinite-dimensional representation of an autonomous nonlinear system. One of the main advantages of using the Koopman operator is the powerful computational tools developed for this framework. Besides the presence of numerical solutions, the switching/convergence problem can also serve as a building block for solving more complicated control problems and can potentially be applied to non-monotone systems. We illustrate this argument on the problem of synchronizing cardiac cells by defibrillation. Potentially, our approach can be extended to problems with different parametrizations of control signals since the only fundamental limitation is the finite time application of the control signal. [less ▲]

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See detailComparison Between Robust and Stochastic Optimisation for Long-term Reservoir Operations Under Uncertainty
Cuvelier, Thibaut ULiege; Archambeau, Pierre ULiege; Dewals, Benjamin ULiege et al

in Water Resources Management (in press)

Long-term reservoir management often uses bounds on the reservoir level, between which the operator can work. However, these bounds are not always kept up-to-date with the latest knowledge about the ... [more ▼]

Long-term reservoir management often uses bounds on the reservoir level, between which the operator can work. However, these bounds are not always kept up-to-date with the latest knowledge about the reservoir drainage area, and thus become obsolete. The main difficulty with bounds computation is to correctly take into account the high uncertainty about the inflows to the reservoir. In this article, we propose a methodology to derive minimum bounds while providing formal guarantees about the quality of the obtained solutions. The uncertainty is embedded using either stochastic or robust programming in a model-predictive-control framework. We compare the two paradigms to the existing solution for a case study and find that the obtained solutions vary substantially. By combining the stochastic and the robust approaches, we also assign a confidence level to the solutions obtained by stochastic programming. The proposed methodology is found to be both efficient and easy to implement. It relies on sound mathematical principles, ensuring that a global optimum is reached in all cases. [less ▲]

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See detailL'espace transitionnel winnicotien et l'_Urraum_ kantien
Seba, Jean-Renaud ULiege

in Revista Natureza Humana (in press)

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See detailThe Distribution of Spanish Books in Brussels during the 16th century
Adam, Renaud ULiege

in Quaerendo: A Journal Devoted to Manuscripts and Printed Books (in press)

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See detailDo metaphors matter? The impact of a metaphor on citizens’ representations and preferences about federalism
Dodeigne, Jérémy ULiege; Perrez, Julien ULiege; Reuchamps

in Regional & Federal Studies (in press)

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See detailDifferent contribution of chemokine N-terminal features attest a different ligand binding mode and a bias towards activation of the atypical chemokine receptor ACKR3/CXCR7 compared to CXCR4 and CXCR3
szpakowska, Martyna; Nevins, Amanda M; Meyrath, Max et al

in British Journal of Pharmacology (in press)

Background and purpose Chemokines and their receptors form an intricate interaction and signaling network that plays critical roles in various physiological and pathological cellular processes. The high ... [more ▼]

Background and purpose Chemokines and their receptors form an intricate interaction and signaling network that plays critical roles in various physiological and pathological cellular processes. The high promiscuity and apparent redundancy of this network makes probing individual chemokine/receptor interactions and functional effects, as well as targeting individual receptor axes for therapeutic applications, challenging. Despite poor sequence identity, the N-terminal regions of chemokines, which play a key role in their activity and selectivity, harbor several conserved features. Thus far, little is known regarding the molecular basis of their interactions with conventional vs. atypical chemokine receptors or the conservation of their contributions across chemokine-receptor pairs. Experimental Approach In this study, using a broad panel of chemokine variants and modified peptides derived from the N-terminal region of chemokines CXCL12, CXCL11, and vCCL2, we compare the role of various features in binding and activation of their shared receptors, the two canonical G protein-signaling receptors, CXCR4 and CXCR3, as well as the atypical scavenger receptor CXCR7/ACKR3, which shows exclusively arrestin-dependent activity. Key Results We provide exhaustive molecular insights into the plasticity of the ligand-binding pockets of these receptors, their chemokine binding modes, and their activation mechanisms. We show that, although the chemokine N-terminal region is a critical determinant, neither the most proximal residues nor the N-loop are essential for ACKR3 binding and activation, as opposed to CXCR4 and CXCR3. Conclusion and Implications These results suggest a different interaction mechanism between this atypical receptor and its ligands and illustrates its strong propensity to activation. [less ▲]

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See detailIllness perceptions explain the variance in functional disability, but not habitual physical activity, in patients with chronic low back pain: A cross-sectional study
Leysen, Marijke; Nijs, Jo; Van Wilgen, Paul et al

in Pain Practice (in press)

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See detailSteady-State, Nonlinear Analysis of Large Arrays of Electrically Actuated Micromembranes Vibrating in a Fluid
Halbach, Alexandre ULiege; Geuzaine, Christophe ULiege

in Engineering with Computers (in press)

This paper describes a robust and efficient method to obtain the steady-state, nonlinear behaviour of large arrays of electrically actuated micromembranes vibrating in a fluid. The nonlinear ... [more ▼]

This paper describes a robust and efficient method to obtain the steady-state, nonlinear behaviour of large arrays of electrically actuated micromembranes vibrating in a fluid. The nonlinear electromechanical behavior and the multiple vibration harmonics it creates are fully taken into account thanks to a multiharmonic finite element formulation, generated automatically using symbolic calculation. A domain decomposition method allows to consider large arrays of micromembranes by efficiently distributing the computational cost on parallel computers. Two- and three- dimensional examples highlight the main properties of the proposed method. [less ▲]

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See detailVideo Games in France and Francophone Belgium. Discourses and cultural legitimation
Delbouille, Julie ULiege

in Contemporary French Civilization (in press)

Since its first appearance in the early 1960s, video game has become one of the most popular forms of entertainment in France and francophone Belgium. As for other cultural industries, the last decades ... [more ▼]

Since its first appearance in the early 1960s, video game has become one of the most popular forms of entertainment in France and francophone Belgium. As for other cultural industries, the last decades have seen the emergence of multiple discourses around video game, whether they come from the media, the public or the private sphere. From the themes of violence and addiction to the perception of video game as a cultural object, this paper aims to provide a comprehensive overview of game-related discourses and representations (and their recent evolution) in Francophone Europe. [less ▲]

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See detailLa figuration de la prostituée comme rhétorique du pratico-inerte dans Salammbô
Schürgers, Elise ULiege; Franck, Thomas ULiege

in Revue Flaubert (in press), 16

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See detailPer una edizione integrale e analitica dell'incipit della Storia d'Italia di Francesco Guicciardini
Moreno, Paola ULiege

in Laboratoire Italien : Politique et Société (in press)

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See detailSpace-based infrared interferometry to study exoplanetary atmospheres
Defrere, Denis ULiege; Léger, A.; Absil, Olivier ULiege et al

in Experimental Astronomy: Astrophysical Instrumentation and Methods (in press), 1801

The quest for other habitable worlds and the search for life among them are major goals of modern astronomy. One way to make progress towards these goals is to obtain high-quality spectra of a large ... [more ▼]

The quest for other habitable worlds and the search for life among them are major goals of modern astronomy. One way to make progress towards these goals is to obtain high-quality spectra of a large number of exoplanets over a broad range of wavelengths. While concepts currently investigated in the United States are focused on visible/NIR wavelengths, where the planets are probed in reflected light, a compelling alternative to characterize planetary atmospheres is the mid-infrared waveband (5-20um). Indeed, mid-infrared observations provide key information on the presence of an atmosphere, the surface conditions (e.g., temperature, pressure, habitability), and the atmospheric composition in important species such as H2O, CO2, O3, CH4, and N2O. This information is essential to investigate the potential habitability of exoplanets and to make progress towards the search for life in the universe. Obtaining high-quality mid-infrared spectra of exoplanets from the ground is however extremely challenging due to the overwhelming brightness and turbulence of Earth's atmosphere. In this paper, we present a concept of space-based mid-infrared interferometer that can tackle this observing challenge and discuss the main technological developments required to launch such a sophisticated instrument. [less ▲]

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See detailFlow field in shallow reservoir with varying inlet and outlet position
Ferrara, Velia; Erpicum, Sébastien ULiege; Archambeau, Pierre ULiege et al

in Journal of Hydraulic Research (in press)

Shallow reservoirs are used for multiple purposes, such as storm water retention and trapping of sediments. Reliable predictions of the flow fields are necessary to inform the design and operation of ... [more ▼]

Shallow reservoirs are used for multiple purposes, such as storm water retention and trapping of sediments. Reliable predictions of the flow fields are necessary to inform the design and operation of these structures. Using numerical simulations, we performed a systematic analysis of the influence of the location of the inlet and outlet on the flow fields developing in rectangular shallow reservoirs of various sizes. Depending on the relative location of the inlet and outlet with respect to the reservoir centreline, contrasting flow patterns are obtained, involving either no flow reattachment, or a jet reattached on either of the reservoir sidewalls. The results reveal also the occurrence of bi-stable flow configurations, i.e. different steady state flow fields are reached depending on the flow history. This is of high relevance for the design of shallow reservoirs as such configurations should certainly be avoided to achieve a robust hydraulic sizing of the reservoir. [less ▲]

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See detailIs oral feeding compatible with an unresponsive wakefulness syndrome?
MELOTTE, Evelyne ULiege; MAUDOUX, Audrey ULiege; DELHALLE, Sabrina ULiege et al

in Journal of Neurology (in press)

The aim of the study is to explore the possibility of oral feeding in unresponsive wakefulness syndrome/vegetative state (UWS/VS) patients. Method: We reviewed the clinical information of 68 UWS/VS ... [more ▼]

The aim of the study is to explore the possibility of oral feeding in unresponsive wakefulness syndrome/vegetative state (UWS/VS) patients. Method: We reviewed the clinical information of 68 UWS/VS patients (mean age 45 ± 11; range 16-79 years) searching for mention of oral feeding. UWS/VS diagnosis was made after repeated behavioural assessments using the Coma Recovery Scale–Revised. Patients also had complementary neuroimaging evaluations (positron emission tomography, functional magnetic resonance imaging and electroencephalography and diffusion tensor imaging). Results: Out of the 68 UWS/VS patients, only two could resume oral feeding (3%). The first patient had oral feeding (only liquid and semi liquid) in addition to gastrostomy feeding and the second one could achieve full oral feeding (liquid and mixed solid food). Clinical assessments concluded that they fulfilled the criteria for a diagnosis of UWS/VS. Results from neuroimaging and neurophysiology were typical for the first patient with regard to the diagnosis of UWS/VS but atypical for the second patient. Conclusion: Oral feeding that implies a full and complex oral phase could probably be considered as a sign of consciousness. However, we actually do not know which components are necessary to consider the swallowing conscious as compared to reflex. We also discussed the importance of swallowing assessment and management in all patients with altered state of consciousness. [less ▲]

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See detailLevallois et Gravettien
Otte, Marcel ULiege; Noiret, Pierre ULiege

in Praehistoria (in press)

Par opposition à ceux de l’Aurignacien, les ensembles lithiques gravettiens procèdent selon une méthode rappelant le Levallois quant à la préparation des supports. Mais les variations observables au sein ... [more ▼]

Par opposition à ceux de l’Aurignacien, les ensembles lithiques gravettiens procèdent selon une méthode rappelant le Levallois quant à la préparation des supports. Mais les variations observables au sein du Gravettien touchent autant les processus de symbolisation dans l’art et les sépultures. Elles affectent différents substrats eurasiatiques, plutôt septentrionaux, comme mis en réserve dès les Néandertaliens. [less ▲]

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See detailThe G Protein-Coupled Receptors Deorphanization Landscape
Laschet, Céline ULiege; Dupuis, Nadine; Hanson, Julien ULiege

in Biochemical Pharmacology (in press)

G protein-coupled receptors (GPCRs) are usually highlighted as being both the largest family of membrane proteins and the most productive source of drug targets. However, most of the GPCRs are ... [more ▼]

G protein-coupled receptors (GPCRs) are usually highlighted as being both the largest family of membrane proteins and the most productive source of drug targets. However, most of the GPCRs are understudied and hence cannot be used immediately for innovative therapeutic strategies. Besides, there are still around 100 orphan receptors, with no described endogenous ligand and no clearly defined function. The race to discover new ligands for these elusive receptors seems to be less intense than before. Here, we present an update of the various strategies employed to assign a function to these receptors and to discover new ligands. We focus on the recent advances in the identification of endogenous ligands with a detailed description of newly deorphanized receptors. Replication being a key parameter in these endeavors, we also discuss the latest controversies about problematic ligand-receptor pairings. In this context, we propose several recommendations in order to strengthen the reporting of new ligand-receptor pairs. [less ▲]

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See detailRéduire l’altérité au travers des processus de traduction et de représentation
Leclercq, Bruno ULiege; Smette, Bernard ULiege

in Doctorales. Revue LLA-SHS de Montpellier (in press)

WVO Quine questions the « myth » of an ideal realm of shared meanings which every national language would express in its own way. Against the hope of transparent translations, he insists on the necessity ... [more ▼]

WVO Quine questions the « myth » of an ideal realm of shared meanings which every national language would express in its own way. Against the hope of transparent translations, he insists on the necessity for building equivalences from one language to another through a strategy of reducing the differences in rationality among nations as much as possible. According to Quine, otherness is not insuperable impediment to meeting/encounter and mutual understanding ; by throwing our conceptual schemes on the other communities’ uses/practices – which of course involves some symbolic violence – gaps can always been narrowed. Similarly E. Laclau questions the traditional conception of political representation, which is seen as the transparent process of transmitting someone’s will or interests on another level. For this ideal conception of representation, Laclau substitutes a pragmatic conception which takes in account the irreducible gap between the actors as well as the constitutive opacity of the process of representation : the subject’s will is constituted within the process of representation and through the representative’s productive role. In order to be transposed at the decision-making level, the subject’s interests must be translated by the representative as well as be negotiated with the other represented interests. This implies that the initial will undergoes some identity transformations. [less ▲]

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See detailBelgian and Swiss service providers faced with the challenge of jobseeker guidance. Predominance of stakeholder games or of the collaborative framework?
Remy, Céline ULiege

in International Review of Administrative Sciences (in press)

The public employment services have contracted out their jobseeker guidance role to service providers. The paper focuses on how the collaboration between the public services and private employment ... [more ▼]

The public employment services have contracted out their jobseeker guidance role to service providers. The paper focuses on how the collaboration between the public services and private employment operators is organised in Belgium and Switzerland. These partnerships have to contend with two challenges, which are the recruitment of candidates for training projects and the measurement of the results of the service. Our initial hypothesis supports the idea that stakeholder games are more effective in solving critical situations than the collaborative framework. The international comparison allows us to vary the partnership creation methods and to show a particular articulation between the stakeholder games and collaborative framework. [less ▲]

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See detailIntermediaries, transport costs and interlinked transactions
Lefevre, Mélanie ULiege; Tharakan, Joseph ULiege

in Review of Development Economics (in press)

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See detailIPCAPS: an R package for iterative pruning to capture population structure
Chaichoompu, Kridsadakorn ULiege; Abegaz Yazew, Fentaw; Tongsima, Sissades et al

in Bioinformatics : Application Notes (in press)

Resolving population genetic structure is challenging, especially when dealing with closely related populations. Although Principal Component Analysis (PCA)-based methods and genomic var- iation with ... [more ▼]

Resolving population genetic structure is challenging, especially when dealing with closely related populations. Although Principal Component Analysis (PCA)-based methods and genomic var- iation with single nucleotide polymorphisms (SNPs) are widely used to describe shared genetic an- cestry, improvements can be made targeting fine-level population structure. This work presents an R package called IPCAPS, which uses SNP information for resolving possibly fine-level population structure. The IPCAPS routines are built on the iterative pruning Principal Component Analysis (ipP- CA) framework to systematically assign individuals to genetically similar subgroups. Our tool is able to detect and eliminate outliers in each iteration to avoid misclassification. It can be extended to de- tect subtle subgrouping in patients as well. In addition, IPCAPS supports different measurement scales for variables used to identify substructure. Hence, panels of gene expression and methylation data can be accommodated. [less ▲]

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See detailGlobal structural integrity and effective connectivity in patients with disorders of consciousness
BODART, Olivier ULiege; Amico, Enrico; Gomez, Francisco et al

in Brain Stimulation (in press)

Background Previous studies have separately reported impaired functional, structural, and effective connectivity in patients with disorders of consciousness (DOC). The perturbational complexity index (PCI ... [more ▼]

Background Previous studies have separately reported impaired functional, structural, and effective connectivity in patients with disorders of consciousness (DOC). The perturbational complexity index (PCI) is a transcranial magnetic stimulation (TMS) derived marker of effective connectivity. The global fractional anisotropy (FA) is a marker of structural integrity. Little is known about how these parameters are related to each other. Objective We aimed at testing the relationship between structural integrity and effective connectivity. Methods We assessed 23 patients with severe brain injury more than 4 weeks post-onset, leading to DOC or locked-in syndrome, and 14 healthy subjects. We calculated PCI using repeated single pulse TMS coupled with high-density electroencephalography, and used it as a surrogate of effective connectivity. Structural integrity was measured using the global FA, derived from diffusion weighted imaging. We used linear regression modelling to test our hypothesis, and computed the correlation between PCI and FA in different groups. Results Global FA could predict 74% of PCI variance in the whole sample and 56% in the patients' group. No other predictors (age, gender, time since onset, behavioural score) improved the models. FA and PCI were correlated in the whole population (r = 0.86, p < 0.0001), the patients, and the healthy subjects subgroups. Conclusion We here demonstrated that effective connectivity correlates with structural integrity in brain-injured patients. Increased structural damage level decreases effective connectivity, which could prevent the emergence of consciousness. [less ▲]

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See detailQUAND JE S’APPELLE OUBLI : DU SILENCE A L’ADRESSE, UNE POETIQUE DU CHAOS CHEZ LAURENT MAUVIGNIER
Vandormael, Thomas ULiege

in Kwartlanik neofilologiczny (in press)

This study aims to report on how the use of the allocutive person suggested by “Ce que j’appelle oubli”, eighth novel by Laurent Mauvignier, subsume many problematics that preside over the renewal of ... [more ▼]

This study aims to report on how the use of the allocutive person suggested by “Ce que j’appelle oubli”, eighth novel by Laurent Mauvignier, subsume many problematics that preside over the renewal of contemporary fictional forms such as the polyphony of narrative voices, the difficulty of placing an ‘I’ narrator confronted with the writing of society and particularly its minorities, as well as the place of silence within/in the literary text. [less ▲]

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See detailFace à l'incertitude : la cristallisation des réseaux par les comédiens entrepreneurs
Pirard, Julie; Dufays, Frédéric; Xhauflair, Virginie ULiege

in Revue de l'Entrepreneuriat (in press)

A l’instar de l’action entrepreneuriale, la carrière de comédien est empreinte d’incertitude. Cet article examine comment les comédiens cristallisent leurs réseaux socio-professionnels pour réduire cette ... [more ▼]

A l’instar de l’action entrepreneuriale, la carrière de comédien est empreinte d’incertitude. Cet article examine comment les comédiens cristallisent leurs réseaux socio-professionnels pour réduire cette incertitude. L’analyse du parcours de quatre comédiens entrepreneurs révèle trois modulations de cristallisation – cristallisations et décristallisations successives, cristallisation d’un collectif ou d’une équipe, et cristallisation du réseau de partenaires – qui sont utilisées tantôt successivement, tantôt en combinaison. Ces cristallisations prennent forme autour d’une diversité d’éléments cristallisateurs, dépassant une vision exclusivement centrée sur un projet ou une personne. Ces résultats enrichissent le modèle réticulaire de création organisationnelle de Larson et Starr (1993), lui donnant un caractère plus systémique, et contribuent à la compréhension des processus d’insertion socio-professionnelle des artistes grâce au prisme de l’entrepreneuriat. [less ▲]

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See detailArrêts sur images – usages et pratiques du photogramme
Thonon, Jonathan ULiege

in MethIS : Méthodes et Interdisciplinarité en Sciences Humaines (in press)

Le photogramme est, au cinéma, la plus petite unité de prise de vue. Image fixe, unité élémentaire du film, le photogramme forme la cellule figée d’un mouvement qui se reconstitue sous l’effet d’un ... [more ▼]

Le photogramme est, au cinéma, la plus petite unité de prise de vue. Image fixe, unité élémentaire du film, le photogramme forme la cellule figée d’un mouvement qui se reconstitue sous l’effet d’un défilement réglé (24 photogrammes/seconde) par le dispositif technique du cinéma. Image paradoxale en ce qu’elle reste invisible au spectateur malgré sa force iconique, le photogramme trouve cependant, dans le flux qui le conduit insensiblement à la disparition, certaines zones de visibilité qui en révèlent le caractère à la fois fragile et intensif. Nous allons donc envisager certaines pratiques ou certains usages du photogramme cinématographique, tout en essayant de dégager, au départ de ces pratiques, les éléments d’une théorie du photogramme, que Roland Barthes et Sylvie Pierre appelaient déjà de leurs vœux. Des protos-photogrammes et de leur usage scientifique chez Muybridge et Marey, aux usages artistiques contemporains, en passant par des pratiques publicitaires, promotionnelles ou analytiques, nous allons voir que le photogramme reste un objet singulier. [less ▲]

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See detailLa tradition manuscrite de la « Post-Vulgate ». Histoire d’une diaspora textuelle
Morato, Nicola ULiege

in Revue de Linguistique Romane (in press)

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See detailAn H-band Vector Vortex Coronagraph for the Subaru Coronagraphic Extreme-Adaptive Optics System
Kühn, Jonas; Serabyn, Eugene; Lozi, Julien et al

in Publications of the Astronomical Society of the Pacific (in press)

The vector vortex is a coronagraphic imaging mode of the recently commissioned Subaru Coronagraphic Extreme-Adaptive Optics (SCExAO) platform on the 8-m Subaru Telescope. This multi-purpose high-contrast ... [more ▼]

The vector vortex is a coronagraphic imaging mode of the recently commissioned Subaru Coronagraphic Extreme-Adaptive Optics (SCExAO) platform on the 8-m Subaru Telescope. This multi-purpose high-contrast visible and near-infrared (R- to K-band) instrument is not only intended to serve as a VLT-class "planet-imager" instrument in the Northern hemisphere, but also to operate as a technology demonstration testbed ahead of the ELTs-era, with a particular emphasis on small inner-working angle (IWA) coronagraphic capabilities. The given priority to small-IWA imaging led to the early design choice to incorporate focal-plane phase-mask coronagraphs. In this context, a test H-band vector vortex liquid crystal polymer waveplate was provided to SCExAO, to allow a one-to-one comparison of different small-IWA techniques on the same telescope instrument, before considering further steps. Here we present a detailed overview of the vector vortex coronagraph, from its installation and performances on the SCExAO optical bench, to the on-sky results in the extreme AO regime, as of late 2016/early 2017. To this purpose, we also provide a few recent on-sky imaging examples, notably high-contrast ADI detection of the planetary-mass companion \kappa Andromedae b, with a signal-to-noise ratio above 100 reached in less than 10 mn exposure time. [less ▲]

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See detailEvidence for Auroral Emissions from Callisto's Footprint in HST UV Images
Bhattacharyya, Dolon; Clarke, John T.; Montgomery, Jordan et al

in Journal of Geophysical Research. Space Physics (in press)

Auroral emissions are expected from the footprint of Callisto in Jupiter's upper atmosphere owing to the known interaction of its atmosphere with Jupiter's magnetosphere, and from the observed auroral ... [more ▼]

Auroral emissions are expected from the footprint of Callisto in Jupiter's upper atmosphere owing to the known interaction of its atmosphere with Jupiter's magnetosphere, and from the observed auroral emissions from the footprints of the other three Galilean satellites. The mapping of Callisto along modeled magnetic field lines at Jupiter, however, places the expected footprint at the same latitude as the main auroral emissions, making it difficult to detect. We analyzed ultraviolet images of Jupiter taken using the HST/ACS instrument during a large observing campaign in 2007. Using a co-addition method similar to one used for Enceladus, we have identified a strong candidate for the footprint of Callisto on May 24, 2007. We tested this finding by applying the same co-addition technique to a nearly identical auroral configuration on May 30, 2007 when Callisto was behind Jupiter, not visible from Earth (CML = 22°; sub-Callisto system III longitude = 327°). By comparing the two co-added images, we can clearly see the presence of a strongly sub-corotating spot close to the expected Callisto footprint location on 24th May and its absence on 30th May. On the 24th Callisto was located in the current sheet. We also found a probable candidate on 26th May 2007 during which time Callisto was positioned below the current sheet. The measured location and intensity of the auroral emission provides important information about the interaction of Callisto with Jupiter's magnetic field, the corotating plasma, and the neutral and ionized state of the thin atmosphere of Callisto. [less ▲]

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See detailAberrations chromatiques : de l’émulsion au pixel
Thonon, Jonathan ULiege

in Cahiers Louis Lumière (in press)

Dans l’une de ses conversations avec Joachim Gasquet sur le sens de sa peinture (et de la peinture en général), Cézanne aborde de front la conception qu’il se fait de la couleur, dans son rapport à la ... [more ▼]

Dans l’une de ses conversations avec Joachim Gasquet sur le sens de sa peinture (et de la peinture en général), Cézanne aborde de front la conception qu’il se fait de la couleur, dans son rapport à la profondeur picturale et de son articulation à la surface : « La nature n'est pas en surface ; elle est en profondeur. Les couleurs sont l'expression, à cette surface, de cette profondeur. Elles montent des racines du monde ». Cet « organisme de couleurs » que constitue le monde est transcrit dans la peinture de Cézanne par une dynamique symbiotique de la couleur et du dessin, de la ligne et du pan. La couleur restitue, par sa masse, son surgissement, son homogénéité, presque sa viscosité, la véritable chaire perceptive du monde ; une vision qui tient à distance la perspective géométrique, photographique, cinématographique fondée sur la transparence et qui repose, comme le signale Merleau-Ponty, sur la « réversibilité des dimensions » (surface-profondeur) et l’entrelacement des choses. C’est cette épaisseur du visible rendu par la couleur que l’économie de l’image numérique nous permet de redécouvrir, moins dans le registre de la « tactilité » de l’image et la picturalité du pixel, que par l’intégration, entre le support et l’image (parfois indiscernables dans le régime optique), d’un « corps » algorithmique qui règle l’actualisation du visible. Certains défauts techniques du dispositif numérique, aujourd’hui élevés au rang de pratique artistique, permettent de révéler cette matrice qui utilise alors la couleur et la coulure comme mode de visibilité. C’est le cas du Datamoshing, technique de composition numérique qui revisite tout en la radicalisant la pratique de l’incrustation vidéo. Basée sur la perturbation volontaire d’éléments de la matrice, cette technique transforme les couleurs en une forme malléable et fluide révélant ainsi leur double nature spatiale : elles sont à la fois dans l’espace de l’image et l’espace de l’image lui-même. Ces expériences de défigurations d’images s’inscrivent dans le registre des « aberrations chromatiques » dont nous proposons ici une rapide généalogie avant d’interroger la couleur digitale dans ses spécificités. [less ▲]

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See detailClash of Chemists: A gamified blog to master the concept of limiting reagent stoichiometry
le Maire, Nathalie ULiege; Verpoorten, Dominique ULiege; Fauconnier, Marie-Laure ULiege et al

in Journal of Chemical Education (in press)

In a first-year university course, students experienced a new learning activity (“Clash of Chemists”) prompting them to create and share personal analogies explaining the difference between stoichiometric ... [more ▼]

In a first-year university course, students experienced a new learning activity (“Clash of Chemists”) prompting them to create and share personal analogies explaining the difference between stoichiometric and non-stoichiometric reaction conditions, also known in literature as "limiting reagent stoichiometry". To support students’ commitment to this unusual assignment, the instructional design drew on a blog enriched with game mechanics (tournament, video rewards, and leaderboard), as found in popular mini-games. The paper reports on the activity’s outputs and on participants’ perceptions of its usability, usefulness and generated satisfaction. Overall students’ reception of this mini-game was positive. A significant difference between players and non-players’ end-of-term exam results was highlighted. [less ▲]

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See detailSolid-liquid suspension of microcarriers in stirred tank bioreactor - Experimental and numerical analysis
Delafosse, Angélique ULiege; Loubière, Céline; Calvo, Sébastien ULiege et al

in Chemical Engineering Science (in press)

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See detailTranscranial direct current stimulation unveils covert consciousness
Thibaut, Aurore ULiege; Chatelle, Camille ULiege; VANHAUDENHUYSE, Audrey ULiege et al

in Brain Stimulation (in press)

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See detailPilgrimage Certificates from the Mamluk Period: New Data
Bauden, Frédéric ULiege

in Bulletin of the School of Oriental and African Studies (in press)

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See detailB-MODE AND POWER DOPPLER ULTRASONOGRAPHY OF THE EQUINE SUSPENSORY LIGAMENT BRANCHES: A DESCRIPTIVE STUDY ON 13 HORSES
Rabba, Silvia ULiege; Grulke, Sigrid; Verwilghen, Denis et al

in Veterinary Radiology & Ultrasound (in press)

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See detailWorking memory treatment in aphasia: a theoretical and quantitative review.
Majerus, Steve ULiege

in Journal of Neurolinguistics (in press)

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See detailLa Banque centrale européenne et la crise des dettes souveraines : politique monétaire, politique économique ou état d’exception ?
Gregoire, Guillaume ULiege

in Revue internationale de droit économique (in press)

L’affaire Outright Monetary Transactions (OMT), qui a vu s’opposer le Tribunal constitutionnel fédéral allemand et la Cour de justice de l’Union européenne (CJUE) sur la question de la conformité au droit ... [more ▼]

L’affaire Outright Monetary Transactions (OMT), qui a vu s’opposer le Tribunal constitutionnel fédéral allemand et la Cour de justice de l’Union européenne (CJUE) sur la question de la conformité au droit de l’Union européenne de l’action de la Banque centrale européenne (BCE) lors de la crise des dettes souveraines de 2010-2012, constitue sans aucun doute, à ce jour, l’illustration la plus éclatante de la controverse relative à l’existence (ou non) d’une mutation constitutionnelle tacite du mandat de la BCE. Dans son arrêt du 21 juin 2016, le Tribunal constitutionnel fédéral confirme la conformité du programme monétaire OMT au droit de l’Union et à la Loi Fondamentale allemande mais n’en maintient pas moins de « sérieuses objections » à l’encontre du raisonnement de la CJUE, témoignant ainsi de la persistance de certaines tensions entre, d’une part, les interventions de la BCE et, d’autre part, les dispositions du Traité sur le fonctionnement de l’Union européenne (TFUE) relatives à ses compétences [less ▲]

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See detailPulse-Based Control Using Koopman Operator Under Parametric Uncertainty
Sootla, Aivar; Ernst, Damien ULiege

in IEEE Transactions on Automatic Control (in press)

In applications, such as biomedicine and systems/synthetic biology, technical limitations in actuation complicate implementation of time-varying control signals. In order to alleviate some of these ... [more ▼]

In applications, such as biomedicine and systems/synthetic biology, technical limitations in actuation complicate implementation of time-varying control signals. In order to alleviate some of these limitations, it may be desirable to derive simple control policies, such as step functions with fixed magnitude and length (or temporal pulses). In this technical note, we further develop a recently proposed pulse-based solution to the convergence problem, i.e., minimizing the convergence time to the target exponentially stable equilibrium, for monotone systems. In particular, we extend this solution to monotone systems with parametric uncertainty. Our solutions also provide worst-case estimates on convergence times. Furthermore, we indicate how our tools can be used for a class of non-monotone systems, and more importantly how these tools can be extended to other control problems. We illustrate our approach on switching under parametric uncertainty and regulation around a saddle point problems in a genetic toggle switch system. [less ▲]

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See detailQualitative thematic analysis of the phenomenology of near-death experiences
Cassol, Helena ULiege; Pétré, Benoît ULiege; Degrange, Sophie ULiege et al

in PLoS ONE (in press)

Near-death experiences (NDEs) refer to profound psychological events that can have an important impact on the experiencers’ (NDErs) lives. Previous studies have shown that NDEs memories are ... [more ▼]

Near-death experiences (NDEs) refer to profound psychological events that can have an important impact on the experiencers’ (NDErs) lives. Previous studies have shown that NDEs memories are phenomenologically rich. In the present study, we therefore aimed to extract the common themes (referred to as “features” in the NDE literature) reported by NDErs by analyzing all the concepts stored in the narratives of their experiences. A qualitative thematic analysis has been carried out on 34 cardiac arrest survivors’ NDE narratives. Our results shed the light on the structure of the narratives by identifying 10 “time-bounded” themes which refer to isolated events encountered during the NDE and 1 “transversal” theme which characterizes the whole narrative and generally appears as a retrospective comment of self-reflection on the experience. The division of narratives into themes provides us with detailed information about the vocabulary used by NDErs to describe their experience. This established thematic method enables a rigorous description of the phenomenon, ensuring the inclusion of all self-reported manifestations of themes in narratives. [less ▲]

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See detailThe use of time series forecasting in zone order picking systems to predict order pickers’ workload
van Gils, Teun; Ramaekers, Katrien; Caris et al

in International Journal of Production Research (in press)

In order to differentiate from competitors in terms of customer service, warehouses accept late orders while providing delivery in a quick and timely way. This trend leads to a reduced time to pick an ... [more ▼]

In order to differentiate from competitors in terms of customer service, warehouses accept late orders while providing delivery in a quick and timely way. This trend leads to a reduced time to pick an order. This paper introduces workload forecasting in a warehouse context, in particular a zone picking warehouse. Improved workforce planning can contribute to an effective and efficient order picking process. Most order picking publications treat demand as known in advance. As warehouses accept late orders, the assumption of a constant given demand is questioned in this paper. The objective of this study is to present time series forecasting models that perform well in a zone picking warehouse. A real-life case study demonstrates the value of applying time series forecasting models to forecast the daily number of order lines. The forecast of order lines, along with order pickers’ productivity, can be used by warehouse supervisors to determine the daily required number of order pickers, as well as the allocation of order pickers across warehouse zones. Time series are applied on an aggregated level, as well as on a disaggregated zone level. Both bottom-up and top-down approaches are evaluated in order to find the best-performing forecasting method. [less ▲]

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See detailVitamins in Paediatric Parenteral Nutrition
Bronski, J; Campoy, C; Braegger, C et al

in Clinical Nutrition (in press)

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See detailCarbohydrates in Paediatric Parenteral Nutrition
Mesotten, D; Joosten, K; van Kempen, A et al

in Clinical Nutrition (in press)

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See detailLes Trois Trois Petits Cochons et le Grand Méchant Loup. La rencontre de deux archétypes
Jousten, Lison ULiege

in La revue des lettres modernes (in press)

Image de la menace par excellence, le Grand Méchant Loup est un adversaire dont on ne compte plus les apparitions, notamment dans les fictions destinées au jeune public. Dans Les Trois Petits Cochons, qui ... [more ▼]

Image de la menace par excellence, le Grand Méchant Loup est un adversaire dont on ne compte plus les apparitions, notamment dans les fictions destinées au jeune public. Dans Les Trois Petits Cochons, qui s’impose comme cas d’école parmi ces récits où surgit l’animal redouté, le loup devient l’ennemi du cochon, une créature traditionnellement associée à l’enfance. Ce tandem, qui repose sur un principe général d’opposition, brasse avec lui une série de représentations qui transparaissent en filigrane. Le détour opéré par l’histoire culturelle du cochon et quelques-uns de ses prolongements cinématographiques permet de dessiner progressivement les contours de la place occupée par le loup dans ce conte. [less ▲]

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See detailJean Englebert, le structuraliste mégastructurel liégeois
Van Rooyen, Xavier ULiege

in Archidoc 02 (in press)

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See detailDynamic force spectroscopy of synthetic oligorotaxane foldamers
Sluysmans, Damien ULiege; Devaux, Floriane ULiege; Bruns, Carson J. et al

in Proceedings of the National Academy of Sciences of the United States of America (in press)

Wholly synthetic molecules involving both mechanical bonds and a folded secondary structure are one of the most promising architec- tures for the design of functional molecular machines with un ... [more ▼]

Wholly synthetic molecules involving both mechanical bonds and a folded secondary structure are one of the most promising architec- tures for the design of functional molecular machines with un- precedented properties. Here, we report dynamic single-molecule force spectroscopy experiments that explore the energetic details of donor–acceptor oligorotaxane foldamers, a class of molecular switches. The mechanical breaking of the donor–acceptor interactions responsible for the folded structure shows a high constant rupture force over a broad range of loading rates, covering three orders of magnitude. In comparison with dynamic force spectroscopy performed during the past 20 y on various (bio)molecules, the near-equilibrium regime of oligorotaxanes persists at much higher loading rates, at which bio- molecules have reached their kinetic regime, illustrating the very fast dynamics and remarkable rebinding capabilities of the intramolecular donor–acceptor interactions. We focused on one single interaction at a time and probed the stochastic rupture and rebinding paths. Using the Crooks fluctuation theorem, we measured the mechanical work produced during the breaking and rebinding to determine a free- energy difference, ΔG, of 6 kcal·mol−1 between the two local confor- mations around a single bond. [less ▲]

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See detailDiscovery of a point-like source and a third spiral arm in the transition disk around the Herbig Ae star MWC 758
Reggiani, Maddalena ULiege; Christiaens, V.; Absil, Olivier ULiege et al

in Astronomy and Astrophysics (in press)

Transition disks offer the extraordinary opportunity to look for newly born planets and investigate the early stages of planet formation. In this context we observed the Herbig A5 star MWC 758 with the L ... [more ▼]

Transition disks offer the extraordinary opportunity to look for newly born planets and investigate the early stages of planet formation. In this context we observed the Herbig A5 star MWC 758 with the L band vector vortex coronagraph installed in the near-infrared camera and spectrograph NIRC2 at the Keck II telescope, with the aim of unveiling the nature of the spiral structure by constraining the presence of planetary companions in the system. Our high-contrast imaging observations show a bright (delta L=7.0+/-0.3 mag) point-like emission, south of MWC 758 at a deprojected separation of about 20 au (r=0.111+/- 0. 004 arcsec) from the central star. We also recover the two spiral arms (south-east and north-west), already imaged by previous studies in polarized light, and discover a third one to the south-west of the star. No additional companions were detected in the system down to 5 Jupiter masses beyond 0.6 arcsec from the star. We propose that the bright L band emission could be caused by the presence of an embedded and accreting protoplanet, although the possibility of it being an asymmetric disk feature cannot be excluded. The spiral structure is probably not related to the protoplanet candidate, unless on an inclined and eccentric orbit, and it could be due to one (or more) yet undetected planetary companions at the edge of or outside the spiral pattern. Future observations and additional simulations will be needed to shed light on the true nature of the point-like source and its link with the spiral arms. [less ▲]

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See detailVoice use among music theory teachers: A voice dosimetry and self-assessment study
Schiller, Isabel ULiege; Morsomme, Dominique ULiege; Remacle, Angélique ULiege

in Journal of Voice (in press)

Objectives: (1) To investigate music theory teachers’ professional and extra-professional vocal loading and background noise exposure, (2) to determine the correlation between vocal loading and background ... [more ▼]

Objectives: (1) To investigate music theory teachers’ professional and extra-professional vocal loading and background noise exposure, (2) to determine the correlation between vocal loading and background noise, and (3) to determine the correlation between vocal loading and self-evaluation data. Methods: Using voice dosimetry, 13 music theory teachers were monitored for one workweek. Parameters analysed were voice SPL, F0, phonation time, vocal loading index (VLI) and noise SPL. Spearman’s correlation was used to correlate vocal loading parameters (voice SPL, F0 and phonation time) and noise SPL. Each day, subjects self-assessed their voice using visual analogue scales. VLI and self-evaluation data were correlated using Spearman’s correlation. Results: Vocal loading parameters and noise SPL were significantly higher in the professional than in the extra-professional environment. Voice SPL, phonation time and females’ F0 correlated positively with noise SPL. VLI correlated with self-assessed voice quality, vocal fatigue and amount of singing and speaking voice produced. Conclusions: Teaching music theory is a profession with high vocal demands. More background noise is associated with increased vocal loading and may indirectly increase the risk for voice disorders. Correlations between VLI and self-assessments suggest that these teachers are well-aware of their vocal demands and feel their effect on voice quality and vocal fatigue. Visual analogue scales seem to represent a useful tool for subjective vocal loading assessment and associated symptoms in these professional voice users. [less ▲]

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See detailHow flexible is the use of egocentric versus allocentric frame of reference in the Williams syndrome population?
Heiz, Julie; Majerus, Steve ULiege; Barisnikov, Koviljka

in Archives of Clinical Neuropsychology (in press)

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See detailInvestigation on Water Productivity of Winter Wheat Based on MODIS and SEBAL in the Huang-Huai-Hai Plain, China
Yang, Jian-ying; HUO, Zhi-guo; Wu, Ding-rong et al

in Chinese Journal of Agrometeorology (in press)

Understanding how the productivity of water can be increased is widely accepted to be a high priority where water resources are currently scarce and/or over-exploited in China. As the primary data source ... [more ▼]

Understanding how the productivity of water can be increased is widely accepted to be a high priority where water resources are currently scarce and/or over-exploited in China. As the primary data source, MODIS remote sensing, statistics, meteorological data, crop growth period data and ground truth-data from Jan. 2011 to Dec. 2012 were used in actual evapotranspiration estimation, yields rasterizing, and water productivity calculation for winter wheat in the Huang-Huai-Hai Plain (3H Plain). The statistical data were synthesized to calculate district-state-level land productivity, which is then further extrapolated to pixel-level values using a MODIS NDVI image, based on a crop dominance map. Spatial variation of crop water productivity was investigated in order to reveal the key factors of crop water productivity. In addition, the relationship between water productivity and actual evapotranspiration and in subsequence yield for winter wheat was discussed in 3H Plain. The main results indicated that the SEBAL is suitable for estimating evapotranspiration in winter wheat based on the comparation between evapotranspiration measured by Yucheng (in Shandong province). The regional average value of water productivity for winter wheat was detected to be 1.21kg·m-3, with the higher value in Beijing, Tianjin, north part of Shandong province and south part of Hebei province. The pronounced relationship of spatial correlation of the yield and water productivity for winter wheat indicated that the increasing yield governed the increment of water productivity for winter wheat in the coastal land-farming-fishing area (zone1), low plain-hydropenia irrigable land and dry land zone (zone2) and basin- irrigable land and dry land (zone5). The increasing water productivity for winter wheat was recognized to be controlled by rather the increment of yield than the reduction of actual evapotranspiration for winter wheat in the piedmont plain-irrigable land (zone2). Whereas, the pronounced relationship of negative correlation of water productivity and actual evapotranspiration for winter wheat described that only the reduction of actual evapotranspiration was responsible for the increment of water productivity for winter wheat in hill-wet hot paddy-paddy field (zone6). The results is expected to provide a basis information for agricultural water management, improvement of crop water productivity and choice of adaptive mechanism under climate change in Huang-Huai-Hai plain. [less ▲]

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See detailVenous Access for Paediatric Parenteral Nutrition
Kolacek, S; Puntis, J; Hojsak, I et al

in Clinical Nutrition (in press)

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See detailMaqriziana XIV: Al-Maqrīzī’s Last Opus (Al-Ḫabar ʿan al-Bašar) and Its Significance for the History of Islam
Bauden, Frédéric ULiege

in Journal of the Royal Asiatic Society (in press)

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See detailXXL Survey XXI. The environment and clustering of X-ray AGN in the XXL-South field
Melnyk, O.; Elyiv, A.; Smolcic, V. et al

in Astronomy and Astrophysics (in press)

This work is part of a series of studies focusing on the environment and the properties of the X-ray selected active galactic nuclei (AGN) population from the XXL survey. The present survey, given its ... [more ▼]

This work is part of a series of studies focusing on the environment and the properties of the X-ray selected active galactic nuclei (AGN) population from the XXL survey. The present survey, given its large area, continuity, extensive multiwavelength coverage, and large-scale structure information, is ideal for this kind of study. Here, we focus on the XXL-South (XXL-S) field. Our main aim is to study the environment of the various types of X-ray selected AGN and investigate its possible role in AGN triggering and evolution. We studied the large-scale (>1 Mpc) environment up to redshift z=1 using the nearest neighbour distance method to compare various pairs of AGN types. We also investigated the small-scale environment (<0.4 Mpc) by calculating the local overdensities of optical galaxies. In addition, we built a catalogue of AGN concentrations with two or more members using the hierarchical clustering method and we correlated them with the X-ray galaxy clusters detected in the XXL survey. It is found that radio detected X-ray sources are more obscured than non-radio ones, though not all radio sources are obscured AGN. We did not find any significant differences in the large-scale clustering between luminous and faint X-ray AGN, or between obscured and unobscured ones, or between radio and non-radio sources. At local scales (<0.4 Mpc), AGN typically reside in overdense regions, compared to non-AGN; however, no differences were found between the various types of AGN. A majority of AGN concentrations with two or more members are found in the neighbourhood of X-ray galaxy clusters within <25-45 Mpc. Our results suggest that X-ray AGN are typically located in supercluster filaments, but they are also found in over- and underdense regions. [less ▲]

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See detailIron and Trace Element in Paediatric Parenteral Nutrition
Domellof, M; Szitanyi, P; Simchowitz, V et al

in Clinical Nutrition (in press)

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See detailHome Parenteral Nutrition in Paediatrics
Hill, S; Ksiaszyk, J; Prell, C et al

in Clinical Nutrition (in press)

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See detailCultural Marxism : A Survey
Jamin, Jérôme ULiege

in Religion Compass (in press)

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See detailLes troubles du sommeil chez l'enfant autiste, quel rôle pour le pédopsychiatre?
Abate Ekollo, Joëlle; Malchair, Alain ULiege

in Acta Psychiatrica Belgica (in press)

Les troubles du sommeil sont fréquents chez l’enfant et leurs origines sont diverses. Ces troubles ont leur ancrage dans le développement neurophysiologique et psychoaffectif de l’enfant. Les enfants ... [more ▼]

Les troubles du sommeil sont fréquents chez l’enfant et leurs origines sont diverses. Ces troubles ont leur ancrage dans le développement neurophysiologique et psychoaffectif de l’enfant. Les enfants souffrant de troubles du spectre autistique présentent un déficit de sommeil, qui peut durer jusqu’à l’adolescence. Les troubles du spectre autistique comportent des comorbidités multiples, dont des altérations du sommeil. Ils sont importants à caractériser dans cette population, car ils peuvent avoir un impact négatif sur les comportements diurnes. Par ailleurs, ils entrainent souvent des difficultés au sein de la famille. La prise en charge doit avant tout prendre en compte le contexte environnemental afin d’améliorer les habitudes et l’hygiène du sommeil. Des questionnaires ainsi que des agendas de sommeil ont été remplis par des parents afin de démontrer l’importance d’une évaluation et d’une prise en compte des troubles du sommeil chez les enfants souffrant d’autisme en consultation pédopsychiatrique. [less ▲]

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See detailFluid and Electrolytes (Na, Cl and K) in Paediatric Parenteral Nutrition
Jochum, Franck; Moltu, Sissel; SENTERRE, Thibault ULiege et al

in Clinical Nutrition (in press)

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See detailStandard versus individualized parenteral nutrition
Riskin, A; Picaud, J-C; Shamir, R et al

in Clinical Nutrition (in press)

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See detail"'Vive la rose' in Newfoundland: from Alien to Emblem'
Peere, Isabelle ULiege

in B·A·S·I·S: Ballads and Songs - International Studies (in press)

This paper traces the song in European tradition through to its ‘revival’ in the 1960s. It analyses Emile’ Benoît's textual and musical recreation of it in the light of my own and other fieldworkers’ ... [more ▼]

This paper traces the song in European tradition through to its ‘revival’ in the 1960s. It analyses Emile’ Benoît's textual and musical recreation of it in the light of my own and other fieldworkers’ accounts of his personality, ethos and creative talent in tradition. The study traces the song's course and progress in Newfoundland, following in the steps of French-Canadian ethno-historian Ronald Labelle’s suggestion that ‘Vive la Rose’ has come to function as identity emblem for Newfoundland’s francophone minority – and even as its representative throughout French-Canada and especially Acadia. [less ▲]

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See detailA Piano Made in Australia: Reinventing an Emblem of Cultural Wealth in Murray Bail's The Voyage
Herbillon, Marie ULiege

in Antipodes: A Global Journal of Australian/New Zealand Literature (in press), 31(2),

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See detailPsychological interventions influence patients' attitudes and beliefs about their chronic pain.
VANHAUDENHUYSE, Audrey ULiege; Gillet, Aline; MALAISE, Nicole ULiege et al

in Journal of Traditional and Complementary Medicine (in press)

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See detailNote a Jacopino del Conte e approfondimenti sulla sua attività giovanile
Geremicca, Antonio ULiege

in Proporzioni. Annali della Fondazione Roberto Longhi (in press)

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See detailBrentano's Mind: Unity Without Simplicity
Dewalque, Arnaud ULiege

in Rivista di Filosofia (in press)

This paper offers a reconstruction of Franz Brentano’s mereological solution to the problem of the unity of consciousness and explores some implications of this solution for the ontology of the mind. In ... [more ▼]

This paper offers a reconstruction of Franz Brentano’s mereological solution to the problem of the unity of consciousness and explores some implications of this solution for the ontology of the mind. In section 1 I sketch Brentano’s ontological distinctions between things, collectives, and divisives. In section 2 I present Brentano’s mereological solution and in section 3 I review his main pro-arguments. Eventually, in section 4 I consider some Jamesian objections to the mereological approach. I argue the notion of ‘mental parts’ can be given a rather innocuous meaning by being conceived of as the expression of conceptual distinctions grounded in similarity and contrast relations between total mental phenomena. [less ▲]

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See detailA road map for explorative scenario creation on Belgian rail freight transport development
Troch, Franck; Vanelslander, Thierry; Sys, Christa et al

in Competition and Regulation in Network Industries (in press)

The starting point of this article is the weak usage of rail freight in Belgium and Europe, both as a sustainable mode of land transportation in itself as well as a part of the intermodal chain. The ... [more ▼]

The starting point of this article is the weak usage of rail freight in Belgium and Europe, both as a sustainable mode of land transportation in itself as well as a part of the intermodal chain. The results are obtained by transversal research on rail freight transport in Belgium, taking into account the European context. This interdisciplinary research develops a road map for the creation of three integrated scenarios: a best case, medium case and worst case scenario for rail freight development, based on a detailed SWOT (strength, weakness, opportunities, threats) analysis. It includes the most probable future developments for rail freight transport and hinterland connections. These developments are obtained from literature review and discussions with a heterogeneous panel of experts in the fields of (i) optimal corridor and hub development, (ii) macroeconomic impact, (iii) sustainability, (iv) effective market regulation and (v) governance and organization for a well-functioning intermodality. The Delphi approach is used in combination with a survey analysis. Frequency tables and the H-index allow defining a ranking and selection of SWOT elements. The obtained scenarios allow future research to quantify and measure the impact of future developments and decisions towards the Belgian rail freight market. [less ▲]

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See detail'Les orphelins sur la tombe de leur mère' at the Crossing with Flemish Tradition
Peere, Isabelle ULiege

in B·A·S·I·S: Ballads and Songs - International Studies (in press)

The study proposes a comparative analysis of the French-language and Flemish/Dutch versions of the international ballad deriving from the Danish 'Moderen under Mulde' (Dgf 89), and on this basis ... [more ▼]

The study proposes a comparative analysis of the French-language and Flemish/Dutch versions of the international ballad deriving from the Danish 'Moderen under Mulde' (Dgf 89), and on this basis identifies three French-language texts recorded in North-east France and Wallonia yet showing closer affinities to the neighbouring Flemish tradition. In the light of both textual traditions, their unilateral adoption of Flemish motifs and their enhancing effect suggests deliberate selection rather than mere geographical proximity or bilingualism as explanation for their hybridization. [less ▲]

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See detailSupplementation with 80,000 IU vitamin D3/month between November and April corrects vitamin D insufficiency without overdosing: Effect on serum 25-hydroxyvitamin D serum concentrations.
Tournier, Herve; Tran, Nicole; Dray, Nathalie et al

in Presse medicale (Paris, France : 1983) (in press)

INTRODUCTION: Vitamin D insufficiency, defined by a 25-hydroxyvitamin D (25OHD) serum concentration<20ng/mL, is highly frequent in the French general population, especially between November and April. The ... [more ▼]

INTRODUCTION: Vitamin D insufficiency, defined by a 25-hydroxyvitamin D (25OHD) serum concentration<20ng/mL, is highly frequent in the French general population, especially between November and April. The aim of this study was to evaluate whether 80,000 IU vitamin D3 every month during this period of the year was able to maintain a 25OHD level between 20 and 60ng/mL in apparently healthy subjects whatever their basal vitamin D status. METHODS: Ninety-eight subjects volunteered to receive an 80,000 IU vitamin D3 dose every month between November 2014 and April 2015. Serum 25OHD, calcemia and calciuria were measured just before the first dose (Month 0), just before the 4th dose (M4), and one month after the 6th dose (M7). RESULTS: At M0, 25OHD was 17.5+/-9.5ng/mL. Sixty subjects (61.2%) had a 25OHD<20ng/mL and 25 (25.5%) had a 25OHD<10ng/mL. 25OHD increased significantly at M4 (35.3+/-8.0ng/mL) and M7 (40.1+/-8.5) without change in calcemia and calciuria. At M4, 2 subjects had a 25OHD slightly below 20ng/mL (17.6 and 19.7ng/mL), and none had a concentration>60ng/mL. At M7, all had a serum 25OHD>20ng/mL and 2 subjects had a value slightly above 60ng/mL (62.1 and 63.2ng/mL). CONCLUSION: A monthly supplementation with 80,000 IU vitamin D3 between November and April corrected vitamin D insufficiency in subjects in whom it was initially very frequent, without overdosing. This protocol is simple, safe and costless, and can be easily implemented when physicians detect risk factors for hypovitaminosis D in patients for whom a 25OHD measurement is not indicated. [less ▲]

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See detailDiverse electron and ion acceleration characteristics observed over Jupiter's main aurora
Mauk, B. H.; Haggerty, D. K.; Paranicas, C. P. et al

in Geophysical Research Letters (in press)

Two new Juno-observed particle features of Jupiter's main aurora demonstrate substantial diversity of processes generating Jupiter's mysterious auroral emissions. It was previously speculated that ... [more ▼]

Two new Juno-observed particle features of Jupiter's main aurora demonstrate substantial diversity of processes generating Jupiter's mysterious auroral emissions. It was previously speculated that sometimes-observed potential-driven aurora (up to 400 kV) can turn into broadband stochastic acceleration (dominating at Jupiter) by means of instability. Here direct evidence for such a process is revealed with a “mono-energetic” electron inverted-V rising in energy to 200 keV, transforming into a region of broadband acceleration with downward energy fluxes tripling to 3000 mW/m2, and then transforming back into a mono-energetic structure ramping down from 200 keV. But a second feature of interest observed nearby is unlikely to have operated in the same way. Here a downward accelerated proton inverted-V, with inferred potentials to 300-400 kV, occurred simultaneously with downward accelerated broadband electrons with downward energy fluxes as high as any observed (~3000 mW/m2). This latter feature has no known precedent with Earth auroral observations. [less ▲]

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See detailOrganisational aspects of paediatric parenteral nutrition
Puntis, J; Hojsak, I; Ksiazyk, J et al

in Clinical Nutrition (in press)

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See detailHow can new players establish themselves in highly institutionalized labour markets? A Belgian case study in the area of project-based work
Xhauflair, Virginie ULiege; Huybrechts, Benjamin ULiege; Pichault, François ULiege

in British Journal of Industrial Relations (in press)

How can new players seeking to serve nonstandard worker categories (such as project-based workers) establish themselves into labour markets that are highly institutionalized? This paper explores the case ... [more ▼]

How can new players seeking to serve nonstandard worker categories (such as project-based workers) establish themselves into labour markets that are highly institutionalized? This paper explores the case of SMart, a Belgian community-based labour market intermediary that successfully developed solutions to better represent the interests of project-based workers and secure their discontinuous careers. Using an organizational legitimacy approach, we find that labour market entry and growth involve different types of boundary-crossing when addressing the needs of workers that do not fit into established categories. However, to justify boundary-crossing, the new player must complement its pragmatic work on delivering new services and tools with conceptual (cognitive) and structural (moral) legitimation work. [less ▲]

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See detailInvestigating the impact of river floods on travel demand based on an agent-based modeling approach: The case of Liège, Belgium
Saadi, Ismaïl ULiege; El Saeid Mustafa, Ahmed Mohamed ULiege; Teller, Jacques ULiege et al

in Transport Policy (in press)

In Belgium, river floods are among the most frequent natural disasters and they may have important consequences on travel demand. In order to better understand how the travel patterns vary, we propose to ... [more ▼]

In Belgium, river floods are among the most frequent natural disasters and they may have important consequences on travel demand. In order to better understand how the travel patterns vary, we propose to set up a large scale scenario based on MATSim for guarantying an accurate assessment of the impact of river floods on the transportation system. As inputs, the current agent-based model requires a base year population. A synthetic population with respective set of attributes is generated as a key input. Afterwards, agents are assigned activity chains through an activity-based generation process. Finally, the synthetic population and the transportation network are integrated into MATSim. Regarding data, households travel surveys, OD matrix of Belgium have been used to set up the demand. For simulating river floods effects, a steady-state inundation map has been integrated within MATSim. In the current study, five scenarios have been tested where critical links are associated various levels of service, i.e. 10%, 25%, 50%, 75% and 100% (base case scenario). They are systematically compared to the standard scenario to estimate the deviations in terms of traffic patterns and travel times. The results suggest that compared to the standard scenario, the average trip travel time increased by 16.36%, 44.44%, 126.77% and 144.44% with respect to scenarios 75%, 50%, 25% and 10% respectively. Also, the traffic flows have been re-distributed more uniformly across the transportation network. Roads with important traffic volumes are subjected to a decrease of activity on the contrary of roads with low traffic volumes. A very few studies have focused on how river floods affect transportation systems, this paper provided new insights in term of methodology and traffic patterns analysis under disruptions. [less ▲]

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See detailEnergy in Paediatric Parenteral Nutrition
Joosten, Koen; Embleton, Nick; Yan, W et al

in Clinical Nutrition (in press)

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See detailThe “Tuchlein” Colours in the Strasbourg Family Text: Recipes for Anthocyanin Pigments
Neven, Sylvie ULiege; Sanyova, Jana

in Dyes in History and Archaeology (in press)

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See detailPermutations and negative beta-shifts
Charlier, Emilie ULiege; Steiner, Wolfgang

in International Journal of Foundations of Computer Science (in press)

Elizalde (2011) characterized which permutations can be obtained by ordering consecutive elements in the trajectories of (positive) beta-transformations and beta-shifts. We prove similar results for ... [more ▼]

Elizalde (2011) characterized which permutations can be obtained by ordering consecutive elements in the trajectories of (positive) beta-transformations and beta-shifts. We prove similar results for negative bases beta. [less ▲]

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See detailTyrannie du style et excès d'absurdités. La crack-fic comme art du "trop"
Lucca, Sian ULiege

in COnTEXTES (in press)

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See detailCalcium, phosphorus and magnesium in Paediatric Parenteral Nutrition
Fewtrell, mary; Goulet, Olivier; Mihatsch, Walter et al

in Clinical Nutrition (in press)

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See detail10Nous : oser la lexicographie participative
Steffens, Marie ULiege; Beyer, Thomas ULiege

in Les Essentiels de Maqalid (in press), (8),

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See detailReducing agent can be omitted in the incubation medium of the batch in vitro fermentation model of the pig intestines
Poelaert, Christine; Nollevaux, Geraldine; Boudry, Christelle et al

in Animal (in press)

Over the past decade, in vitro methods have been developed to study intestinal fermentation in pigs and its influence on the digestive physiology and health. In these methods, ingredients are fermented by ... [more ▼]

Over the past decade, in vitro methods have been developed to study intestinal fermentation in pigs and its influence on the digestive physiology and health. In these methods, ingredients are fermented by a bacterial inoculum diluted in a mineral buffer solution. Generally, a reducing agent such as Na2S or cysteine-HCl generates the required anaerobic environment by releasing metabolites similar to those produced when protein is fermented, possibly inducing a dysbiosis. An experiment was conducted to study the impact of two reducing agents on results yielded by such in vitro fermentation models. Protein (soybean proteins, casein) and carbohydrate (potato starch, cellulose) ingredients were fermented in vitro by bacteria isolated from fresh feces obtained from three sows in three carbonate-based incubation media differing in reducing agent: (i) Na2S, (ii) cysteine-HCl and (iii) control with a mere saturation with CO2 and devoid of reducing agent. The gas production during fermentation was recorded over 72 h. Short chain fatty acids (SCFA) production after 24 and 72 h and microbial composition of the fermentation broth after 24 h were compared between ingredients and between reducing agents. The fermentation residues after 24 h were also evaluated in terms of cytotoxicity using Caco-2 cell monolayers. Results showed that the effect of the ingredient induced higher differences than the reducing agent. Among the latter, cysteine-HCl induced the strongest differences compared with the control, whereas Na2S was similar to the control for most parameters. For all ingredients, final gas produced per g of substrate was similar ( P>0.10) for the three reducing agents whereas the maximum rate of gas production ( Rmax) was reduced ( P<0.05) when carbohydrate ingredients were fermented with cysteine-HCl in comparison to Na2S and the control. For all ingredients, total SCFA production was similar ( P>0.10) after 24 h of fermentation with Na2S and in the control without reducing agent. Molar ratios of branched chain-fatty acids were higher ( P<0.05) for protein (36.5% and 9.7% for casein and soybean proteins, respectively) than for carbohydrate (<4%) ingredients. Only fermentation residues of casein showed a possible cytotoxic effect regardless of the reducing agent ( P<0.05). Concerning the microbial composition of the fermentation broth, most significant differences in phyla and in genera ascribable to the reducing agent were found with potato starch and casein. In conclusion, saturating the incubation media with CO2 seems sufficient to generate a suitable anaerobic environment for intestinal microbes and the use of a reducing agent can be omitted. [less ▲]

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See detailLe lettere bipartite e i discorsi politici di Francesco Guicciardini nell’anno 1525
Miesse, Hélène ULiege

in Giornale Storico della Letteratura Italiana (in press)

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See detailInfluence of a dynamic seating habit on lumbar control motor in schoolchildren
Fettweis, Tatiana ULiege; Onkelinx, Marie-Noëlle; Schwartz, Cédric ULiege et al

in Journal of Back and Musculoskeletal Rehabilitation (in press)

BACKGROUND: Adequate motor control is considered important for spinal stability and the prevention of low back pain in adulthood and in childhood. OBJECTIVE: Given that the sitting position can affect ... [more ▼]

BACKGROUND: Adequate motor control is considered important for spinal stability and the prevention of low back pain in adulthood and in childhood. OBJECTIVE: Given that the sitting position can affect proprioception, this study aimed to evaluate the influence of using at school a triangular and dynamic cushion on schoolchildren’s trunk motor control. METHODS: Thirty 8-year-old schoolchildren were randomized into a control group (n=15) and a “cushion group” (n=15), in which the children used the cushion for one year and a half. At the end of this period, a 3D-analysis was used to assess lumbar spine proprioception by means of a trunk repositioning task performed blindfolded in a seated position in two conditions (on a stable and on an unstable surface). RESULTS: The schoolchildren in the cushion group performed better at the trunk repositioning task (p=0.02) and hold their lumbar lordosis (p=0.03) better than the control children, in both conditions (stable and unstable). CONCLUSIONS: This preliminary study suggests that daily use of a triangular dynamic cushion has a beneficial impact on children’s lumbar proprioception. Further studies are needed to confirm these results and investigate the effectiveness of its use to prevent low back pain in adulthood. [less ▲]

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See detailSublime Gaps: the Absence of Closure in the Metaphysical Detective Story
Dechene, Antoine ULiege

in Sillages critiques (in press)

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See detailCradle-to-grave life-cycle assessment within the built environment: Comparison between the refurbishment and the complete reconstruction of an office building in Belgium
Marique, Anne-Françoise ULiege; Rossi, Barbara

in Journal of Environmental Management (in press)

In the current context of the necessary sustainability transition of the built environment, it is widely recognized that buildings are a major contributor to the energy consumption of fossil fuels and the ... [more ▼]

In the current context of the necessary sustainability transition of the built environment, it is widely recognized that buildings are a major contributor to the energy consumption of fossil fuels and the emission of CO2. Most of the debates, policies and research are however dedicated to the sole construction of new very efficient (up to zero-energy) building, neglecting the potential of actions on the existing building stock. In this context, we argue that LCA tools are of a huge interest to objectivize the need to refurbish old buildings, in order to increase their energy efficiency and extend their life span, and to compare this strategy to the demolition / reconstruction of buildings. To achieve this aim, this paper aims at updating an existing tool that enables to carry out the life cycle assessment of buildings, by taking into account demolition and construction phases. Then, the tool is applied to one case study of the low-energy refurbishment of a public office building in Brussels, to compare the impacts of the complete demolition followed by a complete reconstruction (rebuild project) to the retrofitting of the existing building (retrofit project). Our main findings confirm the huge impact of the use phase, highlight the impact (energy and CO2 emissions) of the construction and demolition phases and show that the in-depth renovation of this building leads to lower environmental indicators compared to its full reconstruction. The tool and results provided in this paper support the development of policies in favour of the retrofitting of the existing building stock and highlight the importance of including the whole life cycle of the building in the analysis. [less ▲]

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See detailKings and Elites in an Intercultural Tradition: From Diodorus to the Egyptian Temples
Caneva, Stefano ULiege

in Greece and Rome (in press), 65

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See detailL'utilisation du ratio sFlt-1/PlGF dans la prééclampsie: une analyse rétrospective monocentrique
Verbeurgt, Lievine ULiege; CHANTRAINE, Frédéric ULiege; DE MARCHIN, Jérôme et al

in Revue Médicale de Liège (in press)

La fms-like tyrosine kinase 1 soluble (sFlt-1) est un facteur anti-angiogénique libéré en quantité excessive dans la prééclampsie (PE) et impliqué dans la dysfonction endothéliale. Il est comparé au ... [more ▼]

La fms-like tyrosine kinase 1 soluble (sFlt-1) est un facteur anti-angiogénique libéré en quantité excessive dans la prééclampsie (PE) et impliqué dans la dysfonction endothéliale. Il est comparé au facteur de croissance placentaire pro-angiogénique (PlGF) qui diminue dans la PE. Le ratio sFlt-1/PlGF est présenté dans la littérature comme outil dans la prédiction de la prééclampsie. Un ratio < 38 confirme l’absence de prééclampsie à court-terme. Un ratio ≥ 85 dans la PE précoce (avant 34 semaines aménorrhée (SA)) et ≥ 110 dans le «late onset» (> 34 semaines d’aménorhhée) peut poser le diagnostic de prééclampsie. Dans cette étude rétrospective monocentrique, le ratio sFlt-1/PlGF a été dosé chez 183 patientes à risque dont 67 ont présenté une prééclampsie. Le ratio sFlt-1/PlGF médian pour toutes les patientes évaluées est 100,3. Le ratio médian pour les patientes ayant déclaré une prééclampsie (N=67) est 212,7 alors que celui des femmes sans prééclampsie (N=116) est de 35,4. En accord avec ces analyses, un ratio sFlt-1/PlGF ≥ 38 possède une sensibilité égale à 95,5% et une spécificité égale à 73,3%. Les valeurs prédictives positive (VPP) et négative (VPN) sont, respectivement, 67,4% et 96,6%. Ces résultats suggèrent que le ratio sFlt-1/PlGF peut être une aide dans le diagnostic de la prééclampsie [less ▲]

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See detailA push–pull strategy to control aphids combines intercropping with semiochemical releases
Xu, Qingxuan ULiege; Hatt, Séverin ULiege; Chevalier Mendes Lopes, Thomas ULiege et al

in Journal of Pest Science (in press)

Even if insect pest populations can be reduced by increasing plant diversity through intercropping, natural enemies are not always favored in such systems. Alternatively, semiochemical substances have ... [more ▼]

Even if insect pest populations can be reduced by increasing plant diversity through intercropping, natural enemies are not always favored in such systems. Alternatively, semiochemical substances have been tested to enhance biological control, with inconsistent results. Combining both strategies can be an interesting way to maximize pest control. In this work, a 2-year setup involving wheat–pea strip intercropping combined with the release of E-b-farnesene (EBF) or methyl salicylate (MeSA) was tested as a push–pull strategy to simultaneously repel aphids and attract beneficials. Two types of slow-release formulation (i.e., oil and alginate beads) containing EBF or MeSA were deployed with the intercropping. The abundance of aphids was significantly decreased, while hoverfly larvae and mummified aphids increased on both pea plants and wheat tillers by the release of oil-formulated EBF and MeSA. The proportion parasitism of the aphid-parasitism rate [mummies/(aphids + mummies)] was also increased by treating both crops in both years. Releasing EBF through oil rather than alginate beads proved significantly better for attracting natural enemies and reducing aphids. Aphids were negatively correlated with the density of hoverflies (both adults and larvae) and numbers of mummies. All these results showed that combining intercropping with the release of EBF or MeSA formulated in oil can significantly reduce aphid density and attract their natural enemies. Therefore, the combination of both strategies could help farmers reduce the use of insecticides. [less ▲]

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See detailAgent-based Identification and Control of Voltage Emergency Situations
Robitzky, Lena; Weckesser, Tilman; Häger, Ulf et al

in IET Generation, Transmission & Distribution (in press)

Changing dynamics of power systems caused by the migration from conventional to distributed energy sources increase the risk of blackouts due to voltage instability, especially in case of unforeseen ... [more ▼]

Changing dynamics of power systems caused by the migration from conventional to distributed energy sources increase the risk of blackouts due to voltage instability, especially in case of unforeseen network conditions (e.g., (N-k)-cases). To enable a both secure and efficient power supply, novel monitoring and emergency control systems for the identification of voltage emergency situations as well as the execution of control actions are required that react reliably in due time and adaptively in case of changing network situations. This paper presents a distributed agent-based approach to counteract voltage instability that is based solely on local measurements and limited inter-agent communication. Distributed agents located at substations in the (sub-)transmission network monitor distribution and transmission voltages as well as load tap changer positions and are able to autonomously curtail load in case system stability is endangered. The applicability of the approach is demonstrated in a co-simulation environment interfacing the multi-agent system with a dynamic power system simulation. The presented approach allows for an early detection of voltage instability as well as a coordinated execution of available control actions. [less ▲]

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See detailDifferential contributions of default and dorsal attention networks to remembering thoughts and external stimuli from real-life events
Stawarczyk, David ULiege; Jeunehomme, Olivier ULiege; D'Argembeau, Arnaud ULiege

in Cerebral Cortex (in press)

Episodic memories are typically composed of perceptual information derived from the external environment and representations of internal states (e.g., one’s thoughts during prior episodes). To date ... [more ▼]

Episodic memories are typically composed of perceptual information derived from the external environment and representations of internal states (e.g., one’s thoughts during prior episodes). To date, however, research has mostly focused on the remembrance of external stimuli, such that little is known about how internal mentation is represented within episodic memory. In the present fMRI study, we examined the neural correlates of these two components of episodic memories using a novel method of cuing memories from photographs taken during real-life events. We found that, compared to corresponding semantic memory tasks, memories for internal thoughts and external elements were associated with activity in brain areas supporting episodic recollection. Most importantly, however, the two kinds of memories also showed differential activation in large-scale brain networks: the remembrance of external elements was associated with greater activity in the dorsal attention network, whereas memories of internal thoughts mainly recruited default network areas. These findings shed new light on the representation of internal and external aspects of prior experience within episodic memory. The default network may contribute to the reinstatement of thoughts experienced during past events, whereas the dorsal attention network may support the allocation of attention to visuo-spatial features within episodic memory representations. [less ▲]

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See detailDe l’usage de la photographie dans une enquête ethno-sociologique sur la mémoire de l’exil et de l’immigration espagnols en Belgique
Molina Marmol, Maïté ULiege

in RELAIS Revue du laboratoire d'études et de recherches sur l'interculturel (in press)

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See detailSupervised detection of exoplanets in high-contrast imaging sequences
Gómez González, Carlos ULiege; Absil, Olivier ULiege; Van Droogenbroeck, Marc ULiege

in Astronomy and Astrophysics (in press)

Context. Post-processing algorithms play a key role in pushing the detection limits of high-contrast imaging (HCI) instruments. State-of-the-art image processing approaches for HCI enable the production ... [more ▼]

Context. Post-processing algorithms play a key role in pushing the detection limits of high-contrast imaging (HCI) instruments. State-of-the-art image processing approaches for HCI enable the production of science-ready images relying on unsupervised learning techniques, such as low-rank approximations, for generating a model point spread function (PSF) and subtracting the residual starlight and speckle noise. Aims. In order to maximize the detection rate of HCI instruments and survey campaigns, advanced algorithms with higher sensitivities to faint companions are needed, especially for the speckle-dominated innermost region of the images. Methods. We propose a reformulation of the exoplanet detection task (for ADI sequences) that builds on well-established machine learning techniques to take HCI post-processing from an unsupervised to a supervised learning context. In this new framework, we present algorithmic solutions using two different discriminative models: SODIRF (random forests) and SODINN (neural networks). We test these algorithms on real ADI datasets from VLT/NACO and VLT/SPHERE HCI instruments. We then assess their performances by injecting fake companions and using receiver operating characteristic analysis. This is done in comparison with state-of-the-art ADI algorithms, such as ADI principal component analysis (ADI-PCA). Results. This study shows the improved sensitivity versus specificity trade-off of the proposed supervised detection approach. At the diffraction limit, SODINN improves the true positive rate by a factor ranging from ∼2 to ∼10 (depending on the dataset and angular separation) with respect to ADI-PCA when working at the same false-positive level. Conclusions. The proposed supervised detection framework outperforms state-of-the-art techniques in the task of discriminating planet signal from speckles. In addition, it offers the possibility of re-processing existing HCI databases to maximize their scientific return and potentially improve the demographics of directly imaged exoplanets. [less ▲]

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See detailDépression unipolaire et personnalité prémorbide : version francophone du Criteria for Typus Melancholicus
Englebert, Jérôme ULiege; Stanghellini, Giovanni; Calderazzo, Déborah et al

in Psychologie Française (in press)

The Typus Melancholicus (TM) is a pre-melancholic personality structure, defined by Tellenbach and Kraus and characterized by the orderliness, conscientiousness, norm orientation and intolerance of ... [more ▼]

The Typus Melancholicus (TM) is a pre-melancholic personality structure, defined by Tellenbach and Kraus and characterized by the orderliness, conscientiousness, norm orientation and intolerance of ambiguity. This study aims to discriminate the existence of a subgroup TM, among a unipolar depressive population. In order to prove the existence of this subgroup, we translated and administrated the Criteria for Typus Melancholicus (CTM) to a sample of 20 unipolar patients and 20 control participants. The research hypothesis was to find a similar proportion to the one observed in the literature (50% of TM in the unipolar sample). The results demonstrate, as expected, that half of the unipolar sample belongs to a homogeneous subgroup that displays the TM features. Furthermore, no control subjects displays the TM features. Those results suggest that the TM features design a coherent and typical psychopathological structure that can be found in an important proportion of unipolar depressive population. Our study identifies and confirms the existence of a distinct heterogeneity (TM/noTM) inside the unipolar group. This distinction opens the door to some important perspectives in terms of therapy. [less ▲]

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See detailPsychopathologie et monde social : les limites de l'empathie et de la sympathie
Englebert, Jérôme ULiege

in Philosophie (in press)

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See detailIntravenous lipid emulsions in paediatric patients
Lapillonne, A; Didler Mis, N; Goulet et al

in Clinical Nutrition (in press)

Detailed reference viewed: 11 (1 ULiège)