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See detailDeficit in decoding emotional facial expression in Parkinson's disease
Dujardin, K.; Blairy, Sylvie ULg; Duhem, S. et al

in Neuropsychologia (2004), 42

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See detailLes déficits d’inhibition : vieillissement normal et pathologique
Collette, Fabienne ULg

Scientific conference (2008, October 24)

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See detailDéficits d’inhibition dans le vieillissement normal et la maladie d’Alzheimer : conséquences de l’atteinte de processus distincts
Collette, Fabienne ULg

in Proceedings de la Société Française de Psychologie "cognition, émotion et société" (2010)

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See detailDéficits d’inhibition dans le vieillissement normal et la maladie d’Alzheimer: pas d’atteinte spécifique aux niveaux de traitement perceptif ou moteur
Stawarczyk, David ULg; Grandjean, Julien ULg; Salmon, Eric ULg et al

Poster (2010, September 24)

Introduction. Une diminution des capacités d’inhibition est fréquemment observée dans le vieillissement normal et la maladie d’Alzheimer. Toutefois, peu d’études ont exploré la généralité de ces déficits ... [more ▼]

Introduction. Une diminution des capacités d’inhibition est fréquemment observée dans le vieillissement normal et la maladie d’Alzheimer. Toutefois, peu d’études ont exploré la généralité de ces déficits au sein d’un groupe unique de participants. Objectif. Déterminer si les déficits d’inhibition présents dans le vieillissement normal et la maladie d’Alzheimer sont en accord avec la distinction entre inhibition perceptive et inhibition motrice proposée par Dempster et Corkill (1999). Méthode. Nous avons administré une large batterie d’épreuves d’inhibition à un groupe de participants jeunes, de participants âgés sains et de patients souffrant de maladie d’Alzheimer. L’inhibition perceptive a été évaluée au moyen des épreuves de Stroop et de priming négatif, de la tâche des ailiers et d’une tâche de résolution de conflit perceptif ; l’inhibition motrice a quant à elle été évaluée au moyen de tâches de go/no-go, de stop-signal, d’antisaccade et de résolution de conflit moteur. Résultats. Les résultats obtenus indiquent la présence d’un pattern mixte de déficits, incluant à la fois des épreuves d’inhibition motrice et d’inhibition perceptive, aussi bien chez les sujets âgés sains que chez les patients souffrant de la maladie d’Alzheimer. Des différences qualitatives de performance ont également été observées entre les deux groupes de sujets âgés. Discussion. Nos résultats ne sont pas en la faveur d’une distinction entre inhibition motrice et perceptive. Les déficits d’inhibition observés dans le vieillissement normal peuvent être interprétés dans le sens d’une diminution générale des ressources de traitement tandis que les déficits des patients Alzheimer peuvent être attribués à une capacité réduite de résistance à l’interférence provenant d’informations non pertinentes dans l’environnement externe de la personne. La présence de différences qualitatives de performance entre les deux groupes de sujets âgés semble indiquer que la maladie d’Alzheimer ne consiste pas en une simple accentuation des difficultés déjà observées lors du vieillissement normal. [less ▲]

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See detailDefict in recognition of emotional facial expression are still oresent in alcoholics after mid to long term abstinence
Kornreich, C; Blairy, Sylvie ULg; Philippot, P et al

in Journal of Studies on Alcohol (2001), 62(4), 533-542

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See detailDéfier l'âge, une stratégie globale.
Pierard, Gérald ULg; Evrard, N.

in Skin (2008), 11

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See detailLa défiguration du prototype urbain et l'image incertaine de la ville contemporaine
Steinmetz, Rudy ULg

in Degrés : Revue de Synthèses à Orientation Sémiologique (2011, October), (printemps-été), 1-16

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See detailDéfigurer la littérature ou l’impossible témoignage
Servais, Christine ULg

in Cahiers Internationaux de Symbolisme (2009), 122124-123-

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See detailDefining a "reference population": no easy task.
Cavalier, Etienne ULg; Delanaye, Pierre ULg

in Journal of Bone and Mineral Research (2009), 24(9), 1638

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See detailDefining a framework of indicators to measure the social outcomes of learning.
Mainguet, Christine; Baye, Ariane ULg

in Desjardins, R.; Schuller, T. (Eds.) Measuring the Effects of Education on Health and Civic Engagement. Proceedings of the Copenhagen Symposium (2006)

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See detailDefining additional stratigraphy in paleosismic trenches by 2D logging of magnetic susceptibility. A paleoseismic investigation near Lake Ladik, North Anatolian Fault, Turkey.
Fraser, J; Hubert, Aurelia ULg; Vanneste, K. et al

in EOS : Transactions, American Geophysical Union (2008, December), 89(53)(Fall Meet. Suppl.), 21-1942

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See detailDefining multiplication for polynomials over a finite field.
Rigo, Michel ULg; Waxweiler, Laurent

E-print/Working paper (2011)

Let $P$ and $Q$ be two non-zero multiplicatively independent polynomials with coefficients in a finite field $\mathbb{F}$. Adapting a result of R.~Villemaire, we show that multiplication of polynomials is ... [more ▼]

Let $P$ and $Q$ be two non-zero multiplicatively independent polynomials with coefficients in a finite field $\mathbb{F}$. Adapting a result of R.~Villemaire, we show that multiplication of polynomials is a ternary relation $\{(A,B,C)\in\mathbb{F}[X]\mid A.B=C\}$ definable by a first-order formula in a suitable structure containing both functions $V_P$ and $V_Q$ where $V_A(B)$ is defined as the greatest power of $A$ dividing $B$. Such a result has to be considered in the context of a possible analogue of Cobham's theorem for sets of polynomials whose $P$-expansions are recognized by some finite automaton. [less ▲]

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See detailDefining obesity in childhood: current practice.
Guillaume, Michèle ULg

in American Journal of Clinical Nutrition (1999), 70(1), 126-30

A survey of information from 26 countries was performed to examine the methods, cutoff points, and reference materials used to define obesity in childhood and adolescence. The body mass index (in kg/m2 ... [more ▼]

A survey of information from 26 countries was performed to examine the methods, cutoff points, and reference materials used to define obesity in childhood and adolescence. The body mass index (in kg/m2) was used frequently, as well as several other methods. Reference materials used were often based on national surveys, although reference data from other countries were sometimes used. The data presented was often insufficient to judge the representativeness of the reference material. Cutoff points varied considerably. Available data allow neither a meaningful international estimation of the prevalence of obesity nor international comparisons. Although associated with considerable problems, this situation can be improved with an international consensus which, by necessity, will be riddled with uncertainties and compromises. [less ▲]

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See detailDefining optimal brightness temperature simulation adjustment parameters to improve Metop-A/AVHRR SST over the Mediterranean Sea
Tomazic, Igor ULg; Le Borgne, Pierre; Roquete, Hervé

Conference (2013)

Sea surface temperature (SST) multispectral algorithms applied to infrared (IR) radiometer data exhibit regional biases due to the intrinsic inability of the SST algorithm to cope with the vast range of ... [more ▼]

Sea surface temperature (SST) multispectral algorithms applied to infrared (IR) radiometer data exhibit regional biases due to the intrinsic inability of the SST algorithm to cope with the vast range of atmospheric types, mainly influenced by water vapor and temperature profiles. Deriving a SST correction from simulated brightness temperatures (BT), obtained by applying a Radiative Transfer Model (RTM) to Numerical Weather Prediction (NWP) atmospheric profiles and first guess SST, is one of the solutions to reduce regional biases. This solution is envisaged in the particular case of Metop-A Advanced Very High resolution (AVHRR) derived SST. Simulated BTs show errors, linked to RTM, atmospheric profiles or guess field errors. We investigated the conditions of adjusting simulated to observed BTs in the particular case of the Mediterranean Sea over almost one year. Our study led to define optimal spatio/temporal averaging parameters of the simulation observation differences, both during day and night and summer and colder season. Each BT adjustment has been evaluated by comparing the corresponding corrected AVHRR SST to the AATSR SST, that we adopted as validation reference. We obtained an optimized result across all defined conditions for a spatial smoothing of 15 deg and a temporal averaging between 3 and 5 days. Specifically, time series analyses showed that a standard deviation based criterion favors spatial smoothing above 10 deg for all temporal averaging, while a bias based criterion favors shorter temporal averaging during daytime (< 5 days) and higher spatial smoothing (>10 deg) for nighttime. This study has shown also the impact of diurnal warming both in deriving BT adjustment and in validation results, leading to more appropriate separate BT adjustment for day and night in areas and seasons of intensive diurnal warming conditions. [less ▲]

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See detailDefining Social Enterprise
Defourny, Jacques ULg; Nyssens, Marthe

in Nyssens, Marthe (Ed.) Social Enterprise, at the Crossroads of Market, Public Policies and Civil Society (2006)

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See detailDefining the "city museum". The creation process of a new museum category
Postula, Jean-Louis ULg

Conference (2012, October 25)

As early as the second half of the nineteenth century, some major European cities developed museums to present their history. This movement has grown around the world throughout the twentieth century. The ... [more ▼]

As early as the second half of the nineteenth century, some major European cities developed museums to present their history. This movement has grown around the world throughout the twentieth century. The phenomenon is now more relevant than ever, as evidenced by numerous projects of creation and renovation of such institutions. Nevertheless, it took a long time before this kind of museum began to be considered as part of a specific museum category, with its own characteristics and challenges. It was only in 1993, at the Museum of London, that representatives of museums devoted to the study of cities met for the very first time, in order “to discuss [their] problems, to develop theories and to promote [their] special place in the museum movement worldwide” (Hebditch, Max, Key-note address, in Johnson, Nichola, ed., Reflecting cities. The proceedings of a symposium. London, Museum of London, 1993, p. 1). The expression “city museum” took shape for this occasion, with the creation at the end of the symposium of what can be seen as the ancestor of CAMOC, the International Association of City Museums, which faded in 2005. For almost two decades, the city museum has become the object of study of a large number – almost one per year – of international conferences and collections of articles bringing together academics, but mostly professionals who live and experience the museum every day. Practitioners appear therefore as the main producers of discourse on the city museum. This presentation examines the concept of city museum through its different uses and definitions within the museological literature, between 1993 and 2008. The analysis of these speeches will highlight the fact that there are no unanimously established uses of the expression among the authors. It will also show that, as a museum category, city museum is an object whose identity is still under construction. [less ▲]

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