52,204 research outputs found
O foco narrativo na ficção contemporânea : uma leitura de Author, Author, de David Lodge
No full textOrientador : Prof. Dr. Caetano Waldrigues GalindoAutor não autorizou a divulgação do arquivo digitalDissertação (mestrado) - Universidade Federal do Paraná, Setor de Ciências Humanas, Letras e Artes, Programa de Pós-Graduação em Letras. Defesa: Curitiba, 26/06/2013Bibliografia: fls. 158-161Área de concentração: Estudos LiteráriosResumo: O propósito deste trabalho é refletir sobre a construção do foco narrativo em Author, Author (2004), de David Lodge, romance biográfico sobre o escritor Henry James (1843-1916). O narrador não se limita a situar o leitor na narrativa: o seu posicionamento em relação aos aspectos factuais da vida e do percurso literário do romancista norte-americano desempenha papel fundamental na discussão das estratégias narrativas da prosa de ficção de James. Na construção ficcional do malogro na noite de estreia de Guy Domville, em Londres, em 1895, por exemplo, é possível perceber a bipartição desse narrador, capaz de contar e mostrar dois episódios que se passam em dois lugares diferentes, simultaneamente. Em outros momentos do romance, a voz autoral embaralha-se com a voz do sujeito da enunciação a tal ponto, que o leitor menos atento encontra certa dificuldade para colocar ordem nos discursos. O abandono gradual da prosa de ficção em busca de uma identidade como dramaturgo, a falta de êxito na dramaturgia, a lenta recuperação psicológica, a retomada da prosa de ficção e o resultado insatisfatório da revisão e escrita de prefácios para as suas obras, para compor The novels and tales of Henry James:The New York Edition (1905), são alguns dos desdobramentos da trajetória de James, discutidos em Author, Author.Abstract: The purpose of this dissertation is to think over the construction process of narrative focus in Author, Author (2004), by David Lodge, a biographical novel about the writer Henry James (1843-1916). The narrator does not limit himself to guiding the reader through the narrative; rather, his attitude towards factual aspects of the life and literary course of the North-American novelist seems to play a fundamental role in the novel. In the fictional construction of the débâcle of "Guy Domville", in London, 1895 for instance it is possible to distinguish the narrator's bipartition, in order to tell and show two different episodes which happen in two different places, simultaneously. In other moments, the authorial voice blends with that of the subject of the enunciation to such a degree that the less attentive reader may not be capable of organizing the discourse, in a first moment. James' gradual movement away from prose fiction so as to find his playwright identity; the lack of success as a playwright; his subsequent slow psychological recovery; the return to prose fiction; and, finally, the weak result of writing and revising prefaces to his literary works in order to put together The Novels and Tales of Henry James: The New York Edition (1905), are some of the most conspicuous events in James' trajectory discussed in Author, Author
Variations on the Author
No full text“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Unsupervised, automated segmentation of the normal brain using a multispectral relaxometric magnetic resonance approach.
No full text[Primary neuroectodermal tumor with unusual spinal cord localization. A case report].
No full textDescription of imaging findings (case report) of a spinal localization of a primary neuroectodermal tumo
Automated segmentation and measurement of global white matter lesion volume in patients with multiple sclerosis.
No full textA fully automated magnetic resonance (MR) segmentation method for identification and volume measurement of demyelinated white matter has been developed. Spin-echo MR brain scans were performed in 38 patients with multiple sclerosis (MS) and in 46 healthy subjects. Segmentation of normal tissues and white matter lesions (WML) was obtained, based on their relaxation rates and proton density maps. For WML identification, additional criteria included three-dimensional (3D) lesion shape and surrounding tissue composition. Segmented images were generated, and normal brain tissues and WML volumes were obtained. Sensitivity, specificity, and reproducibility of the method were calculated, using the WML identified by two neuroradiologists as the gold standard. The average volume of 'abnormal' white matter in normal subjects (false positive) was 0.11 ml (range 0-0.59 ml). In MS patients the average WML volume was 31.0 ml (range 1.1-132.5 ml), with a sensitivity of 87.3%. In the reproducibility study, the mean SD of WML volumes was 2.9 ml. The procedure appears suitable for monitoring disease changes over time
Un caso di neurofibromatosi di tipo I complicata da processo espansivo cerebellare maligno con aspetti TC/RM atipici
No full textClinical impact of correlative [123I]-FP-CIT brain imaging and neurological findings in suspect Parkinson's disease.
No full textHere we report our experience in a general hospital setting using [(123)I]-FP-CIT SPECT to diagnose patients with suspect Parkinson's disease (PD). MATERIALS AND METHODS: Thirty consecutive patients (19M, 11W, mean age: 61+/-13 years) were prospectively studied. Patients underwent MRI (27) at 1.5T or CT (3) when MRI was contraindicated, to rule out focal brain abnormalities. Motor and cognitive function were evaluated by neurologists with UPDRS and Hoehn e Yahr Scale. [(123)I]-FP-CIT striatal uptake, assessed with SPECT, was classified as normal, non-diagnostic, abnormal (unilateral or bilateral). Imaging results (SPECT+MRI) were correlated with the neurological findings. RESULTS: In 5 patients the [(123)I]-FP-CIT brain SPECT was normal, suggesting that their symptoms could be related to a benign disorder such as essential tremor. Two patients had non-diagnostic [(123)I]-FP-CIT brain SPECT, with MRI/CT findings compatible with subcortical cerebrovascular disease. In the remaining 23 patients abnormal striatal [(123)I]-FP-CIT uptake correlated with neurological findings, significantly increasing the probability of Parkinson's disease. In these patients MRI/CT scans were normal, or showed a mild BA, or mild cerebral vascular disease (mild CVD). CONCLUSIONS: Our results suggest that [(123)I]-FP-CIT scan could be used routinely in clinical practice to support the diagnosis of PD and to differentiate between other conditions. Moreover, FP-CIT could significantly impact treatment selection and follow-up of these patients
Reproducibility of intracranial volume measurement by unsupervised multispectral brain segmentation.
No full textTo assess the inter-study variability of a recently published unsupervised segmentation method (Magn. Reson. Med. 1997;37:84-93), 14 brain MR studies were performed in five normal subjects. Standard deviations for absolute and fractional volumes of intracranial compartments, which reflect the experimental variability, were smaller than 16.5 ml and 1.1%, respectively. By comparing the experimental component of the variability with the variability observed in our reference database, an estimate of the biological variability of the intracranial fractional volumes in the database population was obtaine
MR-cisternography with T 2-weighted single-shot fast spin echo sequence in the diagnosis of a spontaneous CSF fistula of the sphenoid sinus causing massive pneumocephalus
No full textA spontaneous CSF fistula of the sphenoid sinus was preoperatively diagnosed in a young woman presenting with massive pneumocephalus and rhinorrhea. Diagnosis was established by MR cisternography using a heavily T2-weighted 3D single-shot FSE sequence with half-Fourier analysis (3D-EXPRESS®), originally developed for imaging the inner ear. While unenhanced CT failed to detect the site of the fistula, MR permitted complete evaluation of the sellar/sphenoid region and tracked the CSF signal down to the nasal cavit
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