Thesis (Ph.D.) - Carleton University, 2002. / Includes bibliographical references (p. 327-340). Also available in electronic format on the Internet.

Dans cette thèse, nous traitons de l'apprentissage/enseignement de l'Amazighe au Maroc et de sa graphie Tifinaghe. Dans le cadre théorique, nous éclairons quelques concepts sociolinguistiques et didactiques en présentant des situations de langues minorées (catalan, corse) et en présentant la situation de l'Amazighe en France, en Algérie et au Maroc. C'est dans ce dernier - le Maroc - que notre enquête s'est effectuée pour expliciter le choix de cette graphie Tifinaghe pour enseigner/apprendre l'Amazighe, les conditions de ce choix, les représentations faites de cette graphie et les pratiques de classe des acteurs scolaires (enseignants et élèves). Concernant ces trois volets, (conditions, représentations et pratiques), nous sommes partie d'un recueil varié de données documentaires et médiatiques ainsi que d'une enquête de terrain : elles nous permettront d'analyser les conditions dans lesquelles l'écriture Tifinaghe est en train d'être diffusée au Maroc. / The central thrust of this thesis is to address issues relative to the teaching/learning of Amazigh and its graphic system in Morocco. Addressing such minority languages is meant to pave the way to a better understanding of the situation of Amazigh and its teaching in a whole range of countries such as Morocco, Algeria and France. In Morocco, where our investigation has been undertaken, we have tried to accomodate issues ranging over as many points as the choice of Tifinaghe Graphy for the teaching/learning of this languages, the abstracted representations of this graphy and the practices of school actors (teachers and pupils) in the classroom. To contend with the three facets namely the conditions, representations and practices of teaching Amazigh language and graphy, we have based our analysis on a varied collection of documentary and media data along with a field investigation to get around the conditions under which the Tifinaghe writing system is being diffused in Morocco.

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The teaching and learning of algebraic linear graphs in the school have experience problems with regards to understanding this topic. The learner's inability to understand algebraic linear graphs as a result of scaling was evidence in this study. Learners experience difficulties in interpreting, constructing and predicting from linear graphs without the knowledge of scaling. Four tasks were considered necessary for constructing linear graphs. This research focused on scaling task. The objective of the research is to establish the fact that scaling has influence on the understanding of algebraic linear graphs. An empirical method of research was employed to carry out this research. The results proved that scaling has influence on the understanding of algebraic linear graphs at grade 9 (Form B). Learners will find it easy to construct, interpret and make prediction from a graph drawn by scaling. / Mathematical Sciences / M.A. (Mathematics Education)

The teaching and learning of algebraic linear graphs in the school have experience problems with regards to understanding this topic. The learner's inability to understand algebraic linear graphs as a result of scaling was evidence in this study. Learners experience difficulties in interpreting, constructing and predicting from linear graphs without the knowledge of scaling. Four tasks were considered necessary for constructing linear graphs. This research focused on scaling task. The objective of the research is to establish the fact that scaling has influence on the understanding of algebraic linear graphs. An empirical method of research was employed to carry out this research. The results proved that scaling has influence on the understanding of algebraic linear graphs at grade 9 (Form B). Learners will find it easy to construct, interpret and make prediction from a graph drawn by scaling. / Mathematical Sciences / M.A. (Mathematics Education)

À l’heure de la prise de conscience de la finitude des ressources et du besoin grandissant d'énergie, la notion de développement durable doit prendre une place centrale dans l'évolution de la société. Pour atteindre ce but, il est maintenant reconnu, qu'un changement de consommation profond est nécessaire ; et ce, qu'il s'agisse de consommation énergétique, alimentaire ou de produits finis. Nous croyons que ce changement de paradigme n’est possible que si tous les acteurs avancent de concerts sur les différentes problématiques auxquelles nous sommes confrontées. Chacun à son échelle doit ainsi pouvoir prendre les décisions qui s'imposent à tous. C'est la logique qui a motivé l'outil d'exergo-graphie présenté dans le chapitre 3. Inscrit dans la lignée des diagrammes de Sankey, il permet de représenter les bilans exergétiques sous forme graphique afin d’en communiquer plus facilement les enseignements. Nous l’appliquons à deux cas d'analyses faites sur les installations de chauffage et de production d’ECS du bâtiment A de l’UPN. Pour chacune, nous étudions la possibilité d’une solution de production durable de la chaleur (PAC géothermique et solaire thermique). Après en avoir présenté les analyses, nous en dressons les représentations graphiques que nous comparons à celles du système actuel. Au préalable, le chapitre 1 introduit les concepts de base de l’analyse exergétique, approfondis dans le chapitre 2, au travers d’une modélisation des systèmes fluides statiques et dynamiques. Finalement, dans le chapitre 4, nous introduisons un modèle-jouet qui, proposant une représentation fractale de la chaleur, tente d’établir un lien conceptuel entre le comportement microscopique, statistique, du support de la chaleur, et les observables macroscopiques qui la caractérisent. / At this time of awareness of the finiteness of resources, and of increasing needs for energy, the concept of sustainable development must play a central role in the forthcoming developments of our society. To do so, it is now an accepted fact that a deep change of our consumption habits is necessary; whether it is energy, food or final goods consumption. We believe this paradigm shift is only possible if all actors face together the various issues we are dealing with. Everyone, at one own scale, must be able to make informed decision. This is the idea that leads to the exergo-graphy tool presented in chapter 3. In line with the so called Sankey diagrams, it allows to graphically represent exergy balances in order to communicate more easily on their lessons. We apply it to two analysis done on the heating and DHW installations of the building A of the UPN. For each, we investigate the possibility of a sustainable heat production solution (geothermal heat pump and solar thermal energy). After presenting the analyses, we draw their graphical representations which we then compare to those of the current system. Beforehand, the first chapter introduces the basic notions of exergetic analysis, discussed further in chapter 2, through a model for static and dynamic fluid systems. Finally, in chapter 4, we introduce a toy-model which, proposing a fractal representation of exergy, tries to establish a conceptual link between microscopic, statistical, behaviour of heat background support, and the macroscopic observables that characterize it.

ANOTATION This thesis examines a discourse of photography and poster, with the aim to join these two phenomena into a single summary theory and create their general characteristics. The work searches for intersections between photography and graphic design/poster and applies them in the theory of poster creation. In the didactic part, the theoretical principles are introduced into teaching art classes at primary schools. The same approach is applied in the artwork itself. Keywords: Photography, grafic design, poster, photo poster, new media, typography

L'épilepsie affecte en France environ 500 000 personnes, parmi lesquelles environ un tiers présente une pharmaco-résistance. Pour ces patients, une chirurgie peut être envisagée, qui consiste en la résection de la région cérébrale à l'origine des crises, également appelée « zone épileptogène » (ZE). Le succès du traitement chirurgical repose à la fois sur la possibilité de bien circonscrire la zone nécessaire et suffisante à la survenue des crises, mais aussi sur l'identification du potentiel rôle fonctionnel du tissu cérébral situé dans ou à proximité de cette zone, afin d'éviter que l'intervention engendre des déficits cognitifs.Dans ce travail de thèse, nous nous sommes penchés sur des signaux électrophysiologiques entre 80 et 500 Hz, appelés oscillations haute fréquence (HFO), qui ont été récemment désignés comme pouvant être de nouveaux marqueurs de la ZE, et sur leurs analogues, les HFO physiologiques, qui semblent quant à eux être impliqués dans des processus cognitifs. Nous avons tenté d'identifier des paramètres permettant de distinguer ces deux classes de HFO. Alors que ces signaux sont à l'heure actuelle essentiellement enregistrés en EEG intracérébral (SEEG pour stéréo-électro-encéphalographie), nous avons également exploré la possibilité de les étudier en Imagerie par Résonnance Magnétique fonctionnelle simultanément à la SEEG, ce qui pourrait permettre à l'avenir d'en obtenir une cartographie sur l'ensemble du cerveau. La vocation générale de ces travaux est de participer à la compréhension et l'amélioration de l'étude des HFO pathologiques et physiologique, afin d'optimiser leur utilisation pour la chirurgie des épilepsies pharmaco-résistantes / Epilepsy affects 500 000 persons in France, among which about 30% will continue to have seizure despite medication. For those patients, a surgical treatment can be proposed, that consists in removing the brain region causing seizures, namely the “epileptogenic zone” (EZ). To achieve a good surgical outcome, it is necessary to identify the zone that is both necessary and sufficient for seizure start, but also, to identify the function of the brain tissue that is located close to this zone, to avoid eventual cognitive deficits.In this thesis, we were interested in the electrophysiological activities between 80 and 500 Hz called high frequency oscillations (HFO), that were recently identified as new markers of the EZ, and the analogous physiological HFO that seem to be implicated in cognitive processes. We tried to identify features that could enable to distinguish between this to class of HFO. While these activities are still mainly recorded with intra-cerebral electro-encephalography (icEEG), we also explored the possibility to study them with functional Magnetic Resonance Imaging, simultaneously with icEEG. This method could, in the future, enable to get a HFO mapping over the whole brain. The aim of this work is to participate in the comprehension and exploration improvement of pathological and physiological HFO, to enhance their use in intractable epilepsy surgery

The thesis analyses selected phenomena of graphy, phonology, morfology, lexicology and words-formation of the Frederick from Donin's Czech book of travels, which was written at the turn of the 16th and 17th century. Partly, it also deals with the syntax and style of the work. Selected phenomena of individual language levels are studied using the original manuscript. The thesis intends to show in which aspects the text is close to early modern language usage, and conversely in which aspects it differs from it. The language of the manuscript is also compared with the contemporary Czech language.