Texte remanié de: Diss.--Fachbereich Evangelische Theologie--Mainz--Johannes Gutenberg-Universität, 1992. / Bibliogr. p. [232]-258. Index.

Texte remanié de: Diss.--Katholisch-Theologische Fakultät--Graz--Karl Franzens-Universität, 1992. / Résumé en français. Bibliogr. p. 193-203. Index.

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A expressão mente primitiva é frequentemente encontrada no âmbito da psicanálise, porém não é um conceito sem problemas no vocabulário psicanalítico, por não haver consenso quanto ao seu uso, ou ser utilizado de forma ampla e genérica, sem apresentar uma definição mais precisa que indique com maior exatidão a que se refere. Muitos autores têm usado esse termo ou um equivalente, com diferentes posicionamentos. Tem como principal objetivo clarificar o processo de construção do conceito de mente primitiva e seus desdobramentos por meio da análise da produção psicanalítica escrita. Trata-se de uma investigação conceitual segundo os pressupostos de natureza qualitativa, caracterizando-se como descritivo-exploratória do ponto de vista de suas finalidades. Procura tornar possível o estabelecimento de meios de refinamento ao examinar minuciosamente os elementos, os contextos em que se insere esse conceito em seu processo de construção, suas transformações e tentativas de consolidação, tanto no seio de determinada corrente teórica psicanalítica quanto na interface das múltiplas perspectivas. O material selecionado é composto por produções publicadas na Revista Brasileira de Psicanálise (FEBRAPSI) e no International Journal of Psycho-Analysis (IPA), no período de 1990 a 2005. Não se trata apenas de propor uma revisão sobre o tema, mas de uma tentativa de ir além, buscando o que pode ser apreendido e os sentidos que puderam emergir do contato com o material, identificado mediante levantamento em bases de dados on line, tanto nos periódicos selecionados quanto em outras fontes, que contribuíram para a fundamentação e aprofundamentos. Localizado e recuperado o material, iniciou-se o processo de imersão por meio da leitura. Na Revista Brasileira de Psicanálise foram lidas 1.069 produções e destas foram selecionadas as 109 em que aparece a expressão mente primitiva ou termos congêneres, tendo aquela sido encontrada 29 vezes em 14 artigos e 01 (uma) resenha, e estes últimos, por vezes inúmeras em todas as produções selecionadas. No International Journal of Psycho-Analysis foram encontradas 318 referências de artigos no mesmo período, sendo selecionadas 50 delas. A partir do percurso da literatura psicanalítica em geral e do material selecionado, foi elaborada uma síntese geral que contribui para a clarificação do conceito em pauta, pois apresenta um conjunto de caracteres que permitem a detecção das condições necessárias para descrever, classificar e identificar o que pode ser circunscrito pela expressão mente primitiva. De modo geral, é possível compreender esse termo como: 1) referente ao funcionamento mental peculiar dos primeiros meses de vida do bebê, desde sua centralização nos processos corporais a partir dos quais se originam os desenvolvimentos progressivos do psiquismo e a constituição do sujeito; 2) parte constituinte do psiquismo, oriunda dos estados iniciais do funcionamento mental tanto da espécie (filogênese) quanto do indivíduo (ontogênese), que permanece dinamicamente atuante por toda a vida junto com os desenvolvimentos posteriores, sendo imperecível / The expression primitive mind is frequently found in the realm of psychoanalysis. However, it is not a concept devoid of problems in the vocabulary of psychoanalysis, as there is no consensus regarding its use or it is used is a broad and generic sense, without a more precise definition that can indicate with more precision its true meaning. Several authors have used this term or an equivalent to it, with different standings. Starting from the plurality of approaches on this topic, the present investigation contributes, not because it intends to unify propositions or establish standards, but by pointing out its specificities and discussing it in order to broaden its understanding. The main objective is to clarify the process of constructing the concept of primitive mind and its developments, through the analysis of written psychoanalysis output. It is a conceptual investigation according to the qualitative assumptions, and can be characterized as descriptive-exploratory in its purposes. It aims to make it possible to establish means of refinement when examining in detail the elements, the contexts in which this concept is inserted in its construction process, its transformations and attempts at consolidation, both in the heart of a given psychoanalytical current and in the interface of multiple perspectives. The selected material consists of scientific output published in the Brazilian Journal of Psychoanalysis (FEBRAPSI) and in the International Journal of Psycho-Analysis (IPA), in the period between 1990 and 2005. This is not a mere revision on the theme, but an attempt to go beyond, seeking what can be absorbed and the meanings that emerged from contact with the material, which was identified from an assessment in online databases, both in the selected periodicals and in other sources that contributed to the formulation and expansion. After the material was located and retrieved, the process of immersion began through reading. From the Brazilian Journal of Psychoanalysis, 1,069 productions were read, of which 109 were selected, where the expression primitive mind was found 29 times in 14 articles and one review, in addition to other similar terms. In the International Journal of Psycho-Analysis, 318 references were found of articles for the same period, of which 50 were selected. From the exploration through general psychoanalysis literature and the selected material, a general synthesis was devised that contributes to the clarification of the concept at hand, as it presents a set of characters that allow the detection of the necessary conditions to describe, classify and identify what can be circumscribed by the use of the expression primitive mind. In a general sense, it can be understood as: 1) referring to the peculiar mental functioning during the babys first months, from its centralization in body processes from which develop the progressive developments of the psyche and the establishment of the subject; 2) as the constituent part of the psyche, resulting from the initial stages of mental functioning, both of the species (phylogenesis) and the individual (ontogenesis), which remains dynamically active throughout the life along with the later developments, imperishable

L’objet de cette thèse est l’étude de la propagation de la 2-birationalité pour les 2-extensions de corps de nombres. Le problème étudié se présente comme suit : étant donnés un corps 2-rationnel totalement réel K, une extension quadratique totalement imaginaire L de K, et une 2-extension totalement réelle de K de K, à quelles conditions la 2-birationalité du compositum L = KL se lit-elle sur L ? La thèse se structure en trois parties : l’étude du cas absolument quadratique d’abord, le cas relativement quadratique ensuite ; le cas général enfin. Le résultat principal de la thèse résout complètement le problème posé en toute généralité. En fin de thèse, diverses illustrations numériques sont proposées à l’aide du PARI, ainsi qu’une étude des tours d’extensions 2-birationnelles. / This thesis deals with the propagation of 2-birationality for 2-extensions of numbers fields. More precisely, le t K be a 2-rational totally real number field, L a CM quadratic extension of K, and let K be a totally real 2-extension of K. Under which conditions can one read the 2-birationaltiy of the compositum L = LK from L ? This work is divided into three parts : we first study the absolute quadratic case, then the relatively quadratic case, then finally the general case. The thesis’s main result solves the whole problem. We also illustrate the result with various numeric examples, obtained with PARI and a focus at the end on 2-birational extensions’ towers.

Intersections tests between meshes in physics engines are time consuming and computationalheavy tasks. In order to speed up these intersection tests, each mesh can be decomposedinto several smaller convex hulls where the intersection test between each pair of these smallerhulls becomes more computationally efficient. The decomposition of meshes within the game industry is today performed by digital artistsand is considered a boring and time consuming task. Hence, the focus of this master thesislies in automatically decompose a mesh into several smaller convex hulls and to approximatethese decomposed pieces with bounding volumes of different complexity. These boundingvolumes together represents a collision mesh that is fully usable in modern games.

Magister Legum - LLM / The main objectives of this study were to identify the role that customary law and traditional leadership can play, without compromising their current positions or future recognition through legislation, in creating a better life for their constituents. The study analysed diverse issues such as legislative reform, the future role and functions of traditional leaders, training needs of traditional leaders, and the impact of a possible lack of commitment by national and provincial government on the training of traditional leaders to fulfill their functions within the ambit of the Constitution. / South Africa

An interpretive research approach will be used to describe and decompose UML diagrams into their respective building blocks. A top down approach will be used to determine views that are important to enterprises during the system development lifecycle. The importance of providing graphical representations to describe conceptual ideas will be stressed. A short history will be provided of the origins of UML as well as a description of the diagrams used. Since UML is a language and not a methodology a brief discussion regarding a methodology, the Rational Unified Process, will be covered. The Zachman framework will be used to present a two-dimensional (Columns and Rows) view of an enterprise together with a summary of what could be represented in the framework. The UML building blocks will be mapped within the Zachman framework together with possible reasons for the mapping. The paper will conclude by combining several views by different authors to represent artefacts within the Zachman framework and to show the strengths and weaknesses of the current UML version 1.5 and what organisations should be aware of when considering implementing UML. / Dissertation (M.IT)--University of Pretoria, 2007. / Informatics / unrestricted

Instructive signals, whether external or internal, play critical roles in regulating the developmental potency or ability to self-renew of stem cells. External signals may range from secreted growth factors to extracellular matrix proteins found in the stem cell niche. Internal signals include activated signalling cascades and the eventual transcriptional mechanisms they initiate. In either fashion, stem cells are regulated in a complex temporal and context specific manner in order to maintain or maximise their unique characteristics. Previous experiments suggest that Wnt3a plays a role in maintaining the pluripotent state of mouse embryonic stem (mES) cells. However, in the absence of leukemia inhibitory factor (LIF), Wnt signalling is unable to maintain ES cells in the undifferentiated state. This implies that maintaining the pluripotent state of mES cells is not the primary function of canonical Wnt signalling. To further characterize the role of Wnt3a in pluripotency and lineage specification undifferentiated and differentiated mES cells were induced with Wnt3a. Wnt3a induced the formation of a metastable primitive endoderm state and upon subsequent differentiation, the induction of large quantities of visceral endoderm. Furthermore, we determined that the ability of Wnt3a to induce a metastable primitive endoderm state was mediated by the T-box transcription factor Tbx3. Our data demonstrates a novel role for Wnt3a in promoting the interconversion of undifferentiated mES cells into a pluripotent primitive endoderm state. Aging of skeletal muscle tissue is accompanied by fibrosis, atrophy and remodeling all of which negatively affect muscle performance. Whether this reduction in skeletal muscle competency is directly attributed to a resident adult stem cell population called satellite cells remains largely unknown. Here, we undertook an investigation into how age affects the transcriptional profile of satellite cells and their repopulating ability following transplantation. We determined that as satellite cells age, both their regenerative capacity and ability to colonize the satellite cell niche is reduced. Additionally, we identified satellite cell specific transcriptional profiles that differed with respect to age. Therefore, we conclude that intrinsic factors are an important determinant of satellite cell regenerative capacity during the aging process.

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