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See detailLa perception des Gestalten selon Chr. von Ehrenfels
Zincq, Aurélien ULg

Conference (2013, October 28)

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See detailLa perception des nombres chez les animaux
Tirelli, Ezio ULg

in Cahiers d'Ethologie (1983), 3(2), 231-265

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See detailLa perception du centre-ville : le cas de Liège
Merenne-Schoumaker, Bernadette ULg; Troisfontaine, Arlette; Vanderschraege, Danièle et al

in Bulletin de la Société Géographique de Liège (1974), (10), 135-151

Initially a survey of 1455 people in four different places, try highlighting the concept of downtown, its advantages and disadvantages and limitations of this center.

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See detailPerception du crime, insécurité et segmentation sociale
Chapeau, Mathieu; Fincoeur, Bertrand ULg; Lemaître, André ULg

Book (2008)

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See detailLa perception du gouvernement fédéral par les citoyens dans les fédérations belge, canadienne et sud-africaine
Reuchamps, Min ULg

Scientific conference (2007, January 17)

In multinational federations, centrifugal forces put a great deal of pressure on the federal structure. Therefore the political agenda of these societies such as Belgium, Canada, and South-Africa is ... [more ▼]

In multinational federations, centrifugal forces put a great deal of pressure on the federal structure. Therefore the political agenda of these societies such as Belgium, Canada, and South-Africa is chiefly influenced by intergovernmental or federal issues. In this context, I propose to analyze how citizens perceive the federal order, in particular the federal government, in order to shed light on the dynamics in multinational federations. In fact, the aim is to study the relationship between the perceptions of the federal government and the image it sends back. This federal image is a construction. It is made by politicians and political parties as well as, to some extent, the media. Studying this federal image will help to apprehend the dynamics at stake in multinational federations. [less ▲]

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See detailPerception du stress dans la région liégeoise
Gosset, Christiane ULg

Conference (1992)

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See detailLa perception du temps chez l'animal
Richelle, Marc ULg; Lejeune, Helga ULg

in La recherche (1986), 182

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See detailPerception et comportement de recours aux soins de santé dans les pays en voie de développement. Le cas de la République Démocratique du Congo
Manzambi Kuwekita, Joseph ULg; Reginster, Jean-Yves ULg

Book published by Les Editions du Céfal - Tous droits de reproduction, d'adaptation et de traduction réservés pour tous pays. (2013)

L’objectif principal de cet ouvrage consistait à identifier les facteurs du comportement de recours aux soins de santé dans la ville de Kinshasa. Neuf facteurs historiques (1909-1960) ont été dégagés ... [more ▼]

L’objectif principal de cet ouvrage consistait à identifier les facteurs du comportement de recours aux soins de santé dans la ville de Kinshasa. Neuf facteurs historiques (1909-1960) ont été dégagés comme facteurs influant sur l’offre et l’utilisation actuelles des soins de santé à Kinshasa : (i) gratuité des soins, (ii) présence du médecin, (iii) implication des religieuses dans l’offre des soins, (iv) convention d’agrément par l’État d’hôpitaux et de dispensaires fondés par les missions religieuses afin de les subsidier, (v) exclusion de la population dans la conception, l’organisation et la gestion du système de santé mis en place, (vi) exclusion du tradipraticien du système des soins, (vii) les noirs immatriculés étaient détachés de la coutume indigène et se rapprochaient plus des Européens que des autochtones, (viii) l’enseignement et la santé étaient confiés aux mains des missions religieuses, avec une préférence pour les catholiques, (ix) le budget du secteur santé était de 12% du budget du gouvernement. De même, de 1960 à 1995, dix facteurs ont été identifiés comme influant sur l’offre et l’utilisation actuelles des soins de santé à Kinshasa : (i) mise en place d’un système à 2 échelons (fonctionnant pratiquement avec un seul échelon), excluant l’hôpital général, (ii) les animateurs de la participation communautaires est le médecin chef de zone ou l’infirmier titulaire, (iii) les membres du personnel des zones de santé sont nommés par le ministère et ceux du centre de santé par son propriétaire, (iv) la population joue le rôle de bénéficiaire passif dans le système en place, (v) absence de la population dans les organes de gestion des soins de santé primaires, (vi) mise en place d’un système comprenant moins de 10% des structures des soins disponibles, (vii) pour constituer le comité de santé, le médecin chef de zone consulte les autorités locales qui l’aident à identifier des groupes d’interlocuteurs, (viii) les fonds alloués au premier échelon sont gérés par les experts et/ou parrains et non par la population, (ix) exclusion du médecin du premier échelon, (x) système dépendant financièrement de l’aide extérieure. <br />Les résultats de l’enquête de ménage menée en 1997 montre que lors de la perception d’un problème de santé par les populations de Kinshasa, sept possibilités de recours sont exploitées : le centre de santé est le plus sollicité, suivi du dispensaire privé, l’automédication pharmaceutique, le tradipraticien, l’automédication traditionnelle, la polyclinique conventionnée et l’hôpital de référence. La régression logistique a montré que l’on recourt d’autant plus au centre de santé qu’à une autre structure de soins lorsqu’on recherche la qualité des soins, l’application de bons tarifs et l’offre de services polyvalents. Par contre, le souci de proximité géographique par rapport au lieu de résidence du ménage appelle à utiliser le dispensaire privé. Lorsqu’on recherche la présence d’un médecin ou l’existence d’une convention on choisit plutôt la polyclinique privée conventionnée. Ceux qui ont cherché une solution à un type particulier de maladie ont choisi plutôt le tradipraticien. La lecture des résultats de cette étude montre que si les populations choisissent les soins offerts par le centre de santé, c’est parce qu’elles les jugent de bonne qualité. Des soins intégrés et offerts par le même technicien, de formation requise, sont un atout majeur à l’acceptabilité du premier échelon des soins de santé primaires à Kinshasa. La proximité géographique est également une raison importante pour s’adresser à une autre structure que le centre de santé. Il est peu probable que 109 centres de santé qui doivent encore être mis en place pour réaliser le plan de couverture verront le jour à court terme. Une alternative serait d’intégrer les structures de soins privées non officielles dans le système des soins de santé primaires, pour autant qu’elles puissent atteindre un niveau de qualité comparable à celui des centres de santé. Concernant l’accessibilité financière des structures de soins, l’étude suggère qu’en dialogue avec la population, des modes de financement et de tarification en vigueur ou à mettre au point soient étudiés pour diminuer les barrières financières aux soins de qualité. Pour que le tradipraticien puisse jouer un rôle complémentaire important dans la réalisation des soins de santé primaires, même en milieu urbain, il est suggéré d’étudier la possibilité de privilégier des lieux de communication. [less ▲]

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See detailPerception et confort acoustiques des Systèmes de Traitement d'Air
Minard, Antoine ULg

Doctoral thesis (2013)

This thesis addresses the perceived acoustic comfort of Air-Treatment Systems (ATS), such as air-conditioners installed in offices, by taking into account the environmental factors related to the specific ... [more ▼]

This thesis addresses the perceived acoustic comfort of Air-Treatment Systems (ATS), such as air-conditioners installed in offices, by taking into account the environmental factors related to the specific context of ATS usage. The only existing standard to evaluate the sounds emitted by ATS, which is the emitted sound level in dBA, is only loosely related to perception. Therefore, the need of manufacturers for a more reliable standard arises. This implies a thorough study of the perception of the sound of ATS as it is emitted. A precise methodology was then followed: it includes first collecting a high number of ATS sound recordings, up to finally developing a robust metrics to predict the perceived sound quality. For that purpose, different perceptual categories were first identified to constitute the recording database of ATS sounds. A corpus considered as fully representative of the different types of emitted sounds was then extracted from the recording database. Current principles of musical timbre description have already proved to be adequate to other types of environmental sounds; by applying these principles, the relevant auditive attributes for the corpus perceptual description were identified. In order to develop an efficient sound quality predictor through audio features calculation, prominent features based on these auditive attributes were identified that explain the listeners' preferences among ATS sounds. The ecological context of ATS was examined in a second step. Two environmental factors were addressed in the context of ATS sound quality evaluation to ponder their importance in the listeners' perception. As the ATS under study are exclusively indoor systems designed for offices, the effect of reverberation on sound quality evaluation was first studied; for that purpose, an auralization tool was used to simulate room acoustic response. The influence of listeners' attention context on perceived sound quality was then evaluated through a comparative study of various listening conditions. As a matter of fact, the sound emitted by ATS in real conditions is perceived as a perturbation of current activities. It is therefore relevant to evaluate how deeply the degree of attention related to the sound affects listeners as regards their perception of acoustic quality. Eventually, the relevance of the proposed sound quality predictor to comfort perception was assessed in conditions more ecologically representative than usual laboratory environment. [less ▲]

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See detailLa perception et connaissance d'autrui
Leyens, J.; Dardenne, Benoît ULg

in Richelle, Marc (Ed.) Traité de psychologie expérimentale. Vol. 2 (1994)

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See detailPerception et langage chez Brentano
Boccaccini, Federico ULg

Scientific conference (2011, February 15)

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See detailPerception et représentations de l'espace architectural
Van de Vreken, Anne ULg

Master's dissertation (2008)

Tout projet d'architecture est le résultat de l'interaction entre la perception, l'imagination et la représentation d'un espace. La perception recompose les images de l'environnement extérieur que l'on ... [more ▼]

Tout projet d'architecture est le résultat de l'interaction entre la perception, l'imagination et la représentation d'un espace. La perception recompose les images de l'environnement extérieur que l'on perçoit par nos sens : elle explore le monde. L'imagination façonne les images d'une réalité intérieure, qu'il s'agisse de souvenirs d'expériences passées ou des projections d'un futur imaginé. La représentation de l'espace, au sens large, consiste d'abord en la sélection, l'organisation et la présentation d'informations destinées à un public particulier. Bien entendu, l'information donnée doit demeurer exacte et sa présentation ne doit pas la déformer, c'est la responsabilité même du concepteur qui est engagée sur ce point. Ce dernier devient un convertisseur d'idées en représentations qu'un public donné pourra facilement comprendre. Ce travail de fin d'étude se partage en deux parties : La première partie consiste en un état de l'art, faisant essentiellement appel aux théories de l'architecture et de la psychologie. La seconde partie s'attache à répondre à la question : quelle est la meilleure représentation d'un espace pour un non architecte ? Pour y répondre, une expérience visant à comparer l'efficacité et l'impact de trois types de représentations classiquement utilisés en architecture (à savoir le plan, la maquette en carton et la visite virtuelle d'un modèle 3D) pour la perception des ambiances a été mise en oeuvre : elle consiste à comparer les jugements de novices en architecture sur 32 critères d'ambiance basés sur l'utilisation de ces trois types de représentations (T1) aux jugements effectués par les mêmes participants sur les mêmes critères dans l'espace réel (T2). Pour chacun des critères, deux types d'analyses ont été effectuées : (1) les différences entre les représentations en T1 et (2) les différences entre les facteurs d'ambiance perçus sur base de la représentation (T1) et de la visite réelle (T2). Enfin, cette deuxième partie conclut, à partir des résultats issus de ces analyses, sur des recommandations pour des systèmes visant à faire percevoir la qualité des ambiances du bâtiment. [less ▲]

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See detailPerception gaps between patients with ulcerative colitis and healthcare professionals: an online survey.
Schreiber, Stefan; Panes, Julian; LOUIS, Edouard ULg et al

in BMC Gastroenterology (2012), 12(1), 108

ABSTRACT: BACKGROUND: The purpose of this study was to examine the differing perspectives and perceptual gaps relating to ulcerative colitis (UC) symptoms and their management between patients and ... [more ▼]

ABSTRACT: BACKGROUND: The purpose of this study was to examine the differing perspectives and perceptual gaps relating to ulcerative colitis (UC) symptoms and their management between patients and healthcare professionals (HCPs). METHODS: Structured, cross-sectional, Web-based questionnaires designed to assess a variety of disease indices were completed by adult patients with UC and HCPs involved in the care of patients with UC from Canada, France, Germany, Ireland, Spain, and the United Kingdom. RESULTS: Surveys were completed by 775 patients, 475 physicians, and 50 nurses. Patient self-reported classification of disease severity revealed generally greater severity (mild, 32 %; moderate, 53 %) compared with physician and nurse estimates of UC severity among their caseloads (mild, 52 % and 49 %; moderate, 34 % and 37 %, respectively). Patients reported that an average of 5.5 (standard deviation, 11.0) flares (self-defined) occurred over the past year, compared with 3.4 and 3.8 flares per year estimated by physicians and nurses. Perceived flare triggers differed between patients (stress ranked first) and HCPs (natural disease course ranked first). Fifty-five percent of patients stated that UC symptoms over the past year had affected their quality of life, while physicians and nurses estimated that 35 % to 37 % of patients would have a reduced quality of life over the same period. Patients ranked urgency and pain as the most bothersome symptoms, while physicians and nurses ranked urgency and stool frequency highest. About half of patients (47 %) defined remission as experiencing no symptoms; by comparison, 62 % to 63 % of HCPs defined remission as requiring the complete absence of symptoms. HCPs (doctors/nurses in general practice and/or hospital) were regarded by patients as their main source of UC information by 72 %; however, 59 % reported not arranging regular visits to see their HCPs. CONCLUSIONS: This large survey identified important differences between patients' and HCPs' perceptions of the impact of UC symptoms on patients' lives. Notably, HCPs may underestimate the effect of specific UC symptoms on patients and may fail to recognize issues that are important to patients. [less ▲]

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See detailPerception interne, intuition, Evidenzphilosophie. Brentano et la métaphysique cartésienne
Boccaccini, Federico ULg

in Metaphysik und Psychologie bei Brentano (in press)

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See detailPerception of aphid infested tomato plant volatiles by the predator Episyrphus balteatus
Verheggen, François ULg; Arnaud, Ludovic; Capella, Quentin et al

Poster (2006)

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See detailPerception of aphid infested tomato plant volatiles by the predator Episyrphus balteatus
Verheggen, François ULg; Arnaud, Ludovic; Capella, Quentin et al

in Communications in Agricultural and Applied Biological Sciences (2005)

In a tritrophic interaction including tomato plant (Lycopersicon esculentum Miller), the herbivore Myzus persicae (Sulzer) and the predator Episyrphus balteatus (De Geer), the perception of the tomato ... [more ▼]

In a tritrophic interaction including tomato plant (Lycopersicon esculentum Miller), the herbivore Myzus persicae (Sulzer) and the predator Episyrphus balteatus (De Geer), the perception of the tomato plants produced volatile organic compounds (VOC) by Episyrphus balteatus is investigated. In a first step, an odour sampling device has been set up aiming the headspace collection of the tomato plant VOC and their adsorption on Tenax adsorbent cartridges (Supelco®). Following desorption is held using a thermodesorption injector (Gerstel®) coupled with GC-MS. Intact and aphid infested plants are studied for their VOC emissions, as well as the comparison of the VOC emission of different tomato cultivars. These VOC consist mainly in mono- and sesquiterpenes (such as - and -pinene ; -humulene ; …) as well as in C6-volatiles like hexenal in case of infestation by herbivores Once the tomato plants VOC identified and quantified, they are tested for their perception by Episyrphus balteatus using electroantennography (EAG). Accordingly, an EAG device has been installed and configured for the study of VOC using Diptera antennas. The monoterpenes limonene and linalool showed high EAG activity whereas other terpenes like cymene seem to be inactive. [less ▲]

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See detailPerception of climate change and adaptation strategies in the drylands of West Africa : A review
De Longueville, Florence ULg; Ozer, Pierre ULg; Vigil, Sara ULg

Poster (2014, May 15)

The perception of climate change has become an exiting new field of research explored in recent years. This is a response from the international scientific community to the conclusions of the 4th report ... [more ▼]

The perception of climate change has become an exiting new field of research explored in recent years. This is a response from the international scientific community to the conclusions of the 4th report of the Intergovernmental Panel on Climate Change which had underlined serious deficiencies in this field, particularly in West Africa where population is largely dependent of rain-fed agriculture. Yet, a global survey of the literature since 2000 shows that most references on this topic were published over the last five years. [...] [less ▲]

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See detailPerception of dyspnea in mild smoking asthmatics
Kleis, S.; Chanez, P.; Delvaux, Muriel ULg et al

in Respiratory Medicine (2007), 101(7), 1426-1430

Background: Previous data from the literature reported blunted perception of airway obstruction in severe asthmatics with near fatal asthma. Approximately 25% of patients with asthma are current smokers ... [more ▼]

Background: Previous data from the literature reported blunted perception of airway obstruction in severe asthmatics with near fatal asthma. Approximately 25% of patients with asthma are current smokers. Aim: To determine whether there is an alteration in perception of airway obstruction during a non specific provocative challenge with methacholine in mild controlled asthmatics who smoke. Methods: Enrolled in this study were 50 subjects, including 26 mild asthmatics and 24 healthy subjects, all of them current smokers. The first objective was the sensitivity of airway obstruction calculated by the regression slope linking the change in the visual analogic scale (VAS) assessed by the patient and the fall in FEV1 during a methacholine challenge. Results: Asthmatics who smoke had a blunted perception of airway obstruction during the bronchial challenge significantly different from that seen in healthy smokers (p = 0.03). This impaired dyspnea perception was inversely related to baseline VAS (r = -0.29, p<0.05) and positively related to baseline FEV1 (r = 0.35, p<0.05). Perception of airway obstruction was not correlated with age, sex, atopy or with airway inflammation features such as exhaled NO or sputum eosinophils. Conclusion: Mild asthmatics who smoke display reduced dyspnea perception during a nonspecific provocative challenge with methacholine. This altered perception of airway obstruction does not relate to airway inflammation. (C) 2007 Elsevier Ltd. All rights reserved. [less ▲]

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See detailPerception of emotion in impaired facial and vocal expression
Verduyckt, Ingrid; Morsomme, Dominique ULg

in Izdebski, Krzysztof (Ed.) Emotions in the Human Voice Volume II: Clinical Evidence (2008)

This chapter tries to give a short overview of the main currents in contemporary theories of emotional expression. First, we attempt to draw a brief outline of how emotions are defined as compared to ... [more ▼]

This chapter tries to give a short overview of the main currents in contemporary theories of emotional expression. First, we attempt to draw a brief outline of how emotions are defined as compared to other affective states. Second, we try to give a short picture of the different views concerning the relationship between emotional expressions and experienced emotions, as well as the role of those expressions in human interactions. Third, the vocal and facial modes of emotion expressions are detailed. Fourth, we focus on how emotional expressions can be affected by different diseases, such as Parkinson’s disease, Steinert’s disease, and Moebius syndrome, at the vocal and the facial level. The impact of these impairments is considered in the light of the conclusions about the function of emotional expressions in society today. We conclude with a reflection about the therapy possibilities in reeducation of impaired emotional expressions. [less ▲]

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See detailPerception of Environmental Health by Children in Cities
Gosset, Christiane ULg

in Case studies and sub-plenary presentations, International Healthy and Ecological Cities Congress (1995)

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