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Search Results: 1 - 10 of 218496 matches for " Maria De Koninck "
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A qualitative study of the promotion of exclusive breastfeeding by health professionals in Niamey, Niger
A?ssata Moussa Abba, Maria De Koninck, Anne-Marie Hamelin
International Breastfeeding Journal , 2010, DOI: 10.1186/1746-4358-5-8
Abstract: The purpose of this exploratory study, of which some results are presented here, was to document health professionals' attitudes and practices with regard to exclusive breastfeeding promotion in hospital settings in the urban community of Niamey, Niger.Fieldwork was conducted in Niamey, Niger. A qualitative approach was employed. Health professionals' practices were observed in a sample of frontline public healthcare facilities.The field observation results presented here indicate that exclusive breastfeeding is not promoted in healthcare facilities because the health professionals do not encourage it and their practices are inappropriate. Some still have limited knowledge or are misinformed about this practice or do not believe in it. They do not systematically discuss exclusive breastfeeding with mothers, or they mention it only briefly and without giving any explanation. Worse still, some encourage the use of breast milk substitutes, which are frequently promoted in healthcare facilities. Thus mothers often receive contradictory messages.The results suggest the need to train or retrain health professionals with regard to exclusive breastfeeding, and regularly supervise their activities.The WHO and UNICEF jointly recommend that women exclusively breastfeed their infants for the first six months and continue to breastfeed into the second year of life or longer. This feeding method is the normative model [1]. The importance of breastfeeding, especially exclusive breastfeeding (EBF), is well established for the infant, the mother and the family [2-8] and there are risks of not breastfeeding infants, particularly in poorer environments where social, economic and unsafe hygienic conditions increase the risk of infections and undernourishment. In those settings when infant formula are used, they are introduced early and over-diluted. In Niger, nearly all mothers start breastfeeding and continue until 21 months on average, but only 1% of infants are exclusively breastfed
Le tour du monde à la nage: une fa on originale de promouvoir la géographie
Rodolphe De Koninck
Mappemonde , 1990,
Au carrefour de l'histoire et de la géographie: l' le de Java selon Denys Lombard
Mappemonde , 1992,
être, essence et substance chez Platon et Aristote être, essence et substance chez Platon et Aristote
Thomas De Koninck
études Ricoeuriennes / Ricoeur Studies , 2011, DOI: 10.5195/errs.2011.65
Abstract: Book Review of Paul Ric ur, être, essence et substance chez Platon et Aristote. Cours professé à l’université de Strasbourg en 1953-1954. Texte vérifié et annoté par Jean-Louis Schlegel, (Paris: éditions du Seuil, 2011), 348 pp.
Logical Algorithms meets CHR: A meta-complexity result for Constraint Handling Rules with rule priorities
Leslie De Koninck
Computer Science , 2009,
Abstract: This paper investigates the relationship between the Logical Algorithms language (LA) of Ganzinger and McAllester and Constraint Handling Rules (CHR). We present a translation schema from LA to CHR-rp: CHR with rule priorities, and show that the meta-complexity theorem for LA can be applied to a subset of CHR-rp via inverse translation. Inspired by the high-level implementation proposal for Logical Algorithm by Ganzinger and McAllester and based on a new scheduling algorithm, we propose an alternative implementation for CHR-rp that gives strong complexity guarantees and results in a new and accurate meta-complexity theorem for CHR-rp. It is furthermore shown that the translation from Logical Algorithms to CHR-rp combined with the new CHR-rp implementation, satisfies the required complexity for the Logical Algorithms meta-complexity result to hold.
Le projet singapourien: changer le territoire, changer la société?
Mappemonde , 1992,
Abstract: Indépendante depuis 1965, la Cité-état de Singapour a connu un programme de transformation généralisé qui a bouleversé les espaces de vie de cette petite république insulaire. Sa volonté d’intégration de l’économie locale au marché mondial et la transformation physique de son territoire en chantier permanent ne font qu’accro tre la pression sur la société locale.
Du territoire communautaire à l'espace planétaire
Mappemonde , 1992,
Abstract: L’étude de deux villages de la péninsule Malaise a permis de localiser dans l’espace les activités et réseaux sociaux des villageois. Leur représentation cartographique suggère l’existence d’un territoire communautaire et souligne la nature de ses ouvertures sur le monde.
Le continent indonésien et l'archipel brésilien
Mappemonde , 1992,
Abstract: Bien qu’ils appartiennent à des continents différents et qu’ils aient suivi des voies de développement opposées, Indonésie et Brésil ont bien des ressemblances, que des modèles graphiques mettent en évidence, et leur évolution récente accro t les convergences.
Mesurer l’évolution des stocks forestiers de carbone: un véritable défi à Bornéo
Alexis Dorais,Rodolphe De Koninck
M@ppemonde , 2011,
Abstract: Les forêts pluviales sont d’importants réservoirs de carbone. Des initiatives comme REDD-plus prennent forme en vue de limiter le réchauffement climatique en protégeant ces forêts. Elles reposent sur l’élaboration et l’application de méthodes et techniques de surveillance efficaces des forêts pluviales. Nous avons nous-mêmes mis au point une méthodologie adaptée à ces forêts et permettant d’y localiser des points chauds de déforestation et de dégradation. Cela nous a permis de produire une série chronologique de points chauds de déforestation pour la grande le de Bornéo.
Microglia Control Neuronal Network Excitability via BDNF Signalling
Francesco Ferrini,Yves De Koninck
Neural Plasticity , 2013, DOI: 10.1155/2013/429815
Abstract: Microglia-neuron interactions play a crucial role in several neurological disorders characterized by altered neural network excitability, such as epilepsy and neuropathic pain. While a series of potential messengers have been postulated as substrates of the communication between microglia and neurons, including cytokines, purines, prostaglandins, and nitric oxide, the specific links between messengers, microglia, neuronal networks, and diseases have remained elusive. Brain-derived neurotrophic factor (BDNF) released by microglia emerges as an exception in this riddle. Here, we review the current knowledge on the role played by microglial BDNF in controlling neuronal excitability by causing disinhibition. The efforts made by different laboratories during the last decade have collectively provided a robust mechanistic paradigm which elucidates the mechanisms involved in the synthesis and release of BDNF from microglia, the downstream TrkB-mediated signals in neurons, and the biophysical mechanism by which disinhibition occurs, via the downregulation of the K+-Cl? cotransporter KCC2, dysrupting Cl?homeostasis, and hence the strength of - and glycine receptor-mediated inhibition. The resulting altered network activity appears to explain several features of the associated pathologies. Targeting the molecular players involved in this canonical signaling pathway may lead to novel therapeutic approach for ameliorating a wide array of neural dysfunctions. 1. Introduction Once simply considered as the “guardians” of the central nervous system (CNS), microglia have more recently emerged as key players in regulating neuronal network excitability. Indeed, physical and chemical alterations in the extracellular environment promote the synthesis and release of several microglia-derived molecules which, in turn, shape neuronal circuit function. The effects of such microglia-neuron interactions were found to be critical in the course of different central disorders, and in particular seminal studies provided significant evidence for a role of microglia in the pathogenesis of seizures (for review see [1, 2]) which was associated with increased glutamatergic transmission through the potentiation of NMDA receptor-mediated activity [3]. However, from a theoretical point of view, raising network excitability can be equally achieved through increasing excitatory inputs or removing inhibitory ones. In fact, unmasking silent interconnections can be better achieved through disinhibition than enhanced excitation. Furthermore, disinhibition has been shown as an upstream substrate of
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