998 resultados para Função Lagrangiana aumentada


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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In a previous research, it was observed that are symbolic exchanges established between the persons and the environment they live in that allow them to interact with others, leading them to reorganize their internal cognitive structures, reaching more elaborated stages. In the case of a person with deafness, the possibility of exchange can be compromised and knowledge about the construction of the temporal notion seems to be essential to enable a path of explanation about the difficulties they have regarding their cognitive development. Thus, based on the theory of Jean Piaget, the study intended to understand how the temporal notion constitutes as possible subject to the process of building the real, and examine, through empirical evaluation, if the difficulty in establishing symbolic exchanges caused by deafness would compromise the development of this notion. For this purpose, bibliographical research and empirical research were made, by the comparative evaluating between the performance of deaf and hearing subjects in relation to the construction of temporal notion. Two groups of subjects aged between 10 and 12 years were composed: one with three deaf subjects and another with 3 listeners. The assessment and analysis of the data were based on an experiment created by Piaget and his staff. The results showed that the listeners present responses from operative level, compatible with the age range in which they found themselves. In contrast, the deaf subjects showed responses of transition level, which indicates a situation of cognitive delay. We conclude that the potential compromise linguistic presented by deaf people, can hinder the activity representative causing delay in construction of temporal notion and consequently the development of thought. We conclude that the possible linguistic committal presented by deaf people can hinder the representative activity, causing delay in construction of temporal notion and consequently in the development of thought. In this sense, it seems that the Sign Language constitutes an important tool for deaf people because it allows symbolic exchanges that favor the cognitive development.

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Aims: the aims of this study were to compare and to characterize the fine, sensory and perceptive function performance and handwritten quality between students with learning difficulties and students with good academic performance. GII, GIII and GIV: 96 students with learning difficulties, and groups GV, GVI, GVII, GVIII: 96 good academic performance. The students were submitted to evaluation of fine motor, sensorial and perception functions and handwriting evaluation under dictation. Results: the results show that the students with learning difficulties from 1st to 3rd grade had lower performance on tests of fine motor, sensory and perceptive function compared to the students with good academic performance in the same grade; the students from 4th grade, both groups, did not show changes on fine motor sensory and perceptive function; and only the students of GII showed disgraphya. Conclusions: the results presented in this study suggest that the qualitative aspects of fine motor, sensory and perceptive skills reflect the integrity and maturity of central nervous system and can probably play an important role in early diagnosis of development disorders and consequently prevent academic disorders such as handwriting performance.

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The article deals, initially, from a theoretical point of view, the concept of function in the perspective of Vygotsky (2001), and functional equivalence from the point of view of Smith (1989) and articulates them with the letter funcion in the construction of words in discursive statements. Taking as reference these concepts, it was analysed writings of a student in early literacy at a school in a countryside city in the state of São Paulo, in a situation of writing letters of personal correspondence, whose data were collected in 2009 in order to determine which letters are chosen by the student and why they are chosen to record the speech. The concept of function in Vygotsky and the functional equivalence of Smith (1989) used for the analysis of corpus, revealed that the student’s decisions are characterized by diversity sources and criteria, and rely mainly on the basis that a letter can have the constitution of the word, in the process of enunciation, regardless of their phonetic correspondence. The letter, used as a basis, would lose its status as strictly technical element to achieve the status of a unit of sense since is a constituent part of discourse.

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Introduction: Obesity is a risk factor for postoperative pulmonary complications. Overweight can alter respiratory mechanics and decrease lung volumes and capacities. Bariatric surgery (BS) has been used as treatment for morbid obesity, but this surgery can lead to respiratory complications. Objective: To evaluate pulmonary function in morbid obese patients undergoing bariatric surgery. Methods: The patients were submitted to pulmonary function testing, including slow and forced vital capacity (SVC and FVC), forced expiratory volume in the first second (FEV1), Tiffenau index (FEV1/FVC), forced expiratory flow 25-75% (FEF25-75%) and maximal inspiratory and expiratory pressure (MIP and MEP). Descriptive analysis was performed. Results: We evaluated 18 patients, mean age of 37.33 ± 11.23 years, height 1.65 ± 0.09 m, weight 125.92 ± 25.24 kg and BMI 46.34 ± 9 20 kg/m2 , SVC 100.64 ± 22.91%, FVC 102.04 ± 21.82%, FEV1 104.85 ± 22.16%, FEV1 /FVC 83.54 ± 6.63% and FEF25-75% 84.47 ± 25.74%, 99.75 ± 24.55 for MIP and MEP 102.12 ± 25.06 cmH2O. Conclusion: The bariatric surgery candidates had normal values for manovacuometry and spirometry.

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Pós-graduação em Biotecnologia - IQ