766 resultados para Retro games


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107 p.

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Does a brain store thoughts and memories the way a computer saves its files? How can a single hit or a fall erase all those memories? Brain Mapping and traumatic brain injuries (TBIs) have become widely researched fields today. Many researchers have been studying TBIs caused to adult American football players however youth athletes have been rarely considered for these studies, contradicting to the fact that American football enrolls highest number of collegiate and high-school children than adults. This research is an attempt to contribute to the field of youth TBIs. Earlier studies have related head kinematics (linear and angular accelerations) to TBIs. However, fewer studies have dealt with brain kinetics (impact pressures and stresses) occurring during head-on collisions. The National Operating Committee on Standards for Athletic Equipment (NOCSAE) drop tests were conducted for linear impact accelerations and the Head Impact Contact Pressures (HICP) calculated from them were applied to a validated FE model. The results showed lateral region of the head as the most vulnerable region to damage from any drop height or impact distance followed by posterior region. The TBI tolerance levels in terms of Von-Mises and Maximum Principal Stresses deduced for lateral impact were 30 MPa and 18 MPa respectively. These levels were corresponding to 2.625 feet drop height. The drop heights beyond this value will result in TBI causing stress concentrations in human head without any detectable structural damage to the brain tissue. This data can be utilized for designing helmets that provide cushioning to brain along with providing a resistance to shear.

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Fil: Pérez, Santiago A.. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

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Fil: Pérez, Santiago A.. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

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We show how a vector-valued version of Schechtmans empirical method can be used to reduce the number of questions in a nonlocal game G while preserving the quotient β*(G)/β(G) of the quantum over the classical bias. We apply our method to the Khot-Vishnoi game, with exponentially many questions per player, to produce a family of games indexed in n with polynomially many (N ≈ n8) questions and n answers per player so that the ratio of the quantum over the classical bias is Ω(n/log2 n).

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Attention Deficit-Hyperactivity Disorder is a disease that affects 3 to 5 percent of children globally. Many of those live in areas with very few or no medical professionals qualified to help them. To help assuage this problem a system was developed that allows physicians to accompany their patient’s progress and prescribe treatments. These treatments can be drugs or behavioral exercises. The behavioral exercises were designed in the form of games in order to motivate the patients, children, for the treatment. The system allows the patients to play the prescribed games, under the supervision of their tutors. Each game is designed to improve the patient’s handling of their disease through training in a specific mental component. The objective of this approach is to complement the traditional form of treatment by allowing a physician to prescribe therapeutic games and maintaining the patients under supervision between their regular consultations. The main goal of this project is to provide the patients with a better control of their symptoms that with just traditional therapy. Experimental field tests with children and clinical staff, offer promising results. This research is developed in the context of a financed project involving INESC C (Polytechnic Institute of Leiria delegation), the Santo André Hospital of Leiria, and the start-up company PlusrootOne (that owns the project).

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Thesis (Master, Kinesiology & Health Studies) -- Queen's University, 2016-10-03 07:59:09.638

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This research challenges the origin story of neoliberalism in Latin America. Drawing on archival data from the Mont Pèlerin Society and the personal archives of leading but neglected figures in the post-war push to rebuild economic liberalism, I present a historical geography of elite counter-protest that both predates and broadens the generally accepted “birth” of neoliberalism in 1970s Chile. Beginning in the 1940s, Latin American elites found common cause with key figures from economic liberalism’s most radical wing: the Austrian School. While existing literature links the onset of neoliberalism in Chile to the Austrian School, particularly with respect to the School’s influence on the early Mont Pèlerin Society, this dissertation is the first comprehensive inquiry to place the Austrian tradition in the ideational and organizational landscape of Latin America. Embracing a new mission that promised to save the soul of Western civilization, Latin America’s retro-neoliberal leaders collaborated with transnational actors to build a network of Austrian-inspired think-tanks and institutes of higher learning in the region. These organizations, in turn, served as recruiting mechanisms to found the Hispanic quarter of the Mont Pèlerin Society, which was dominated not (as might be assumed) by Chileans, but rather by retro-neoliberal elites from Mexico, Argentina, Guatemala, and Venezuela. By 1975, when scholars began analyzing how a run-of-the-mill economics department had been transformed into a bastion of free-market thinking in Chile, an entire neoliberal university was up and running in Guatemala, exposing all students, regardless of discipline, to the Austrian tradition – the crowning achievement of Latin America’s retro-neoliberal network. Investigating, and accounting for, the development and impact of this initiative sheds new light on the neoliberal landscape in Latin America, and raises important questions for the study of neoliberalism more broadly.

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There has recently been a great deal of interest in the potential of computer games to function as innovative educational tools. However, there is very little evidence of games fulfilling that potential. Indeed, the process of merging the disparate goals of education and games design appears problematic, and there are currently no practical guidelines for how to do so in a coherent manner. In this paper, we describe the successful, empirically validated teaching methods developed by behavioural psychologists and point out how they are uniquely suited to take advantage of the benefits that games offer to education. We conclude by proposing some practical steps for designing educational games, based on the techniques of Applied Behaviour Analysis. It is intended that this paper can both focus educational games designers on the features of games that are genuinely useful for education, and also introduce a successful form of teaching that this audience may not yet be familiar with.

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The pace at which challenges are introduced in a game has long been identified as a key determinant of both the enjoyment and difficulty experienced by game players, and their ability to learn from game play. In order to understand how to best pace challenges in games, there is great value in analysing games already demonstrated as highly engaging. Play-through videos of four puzzle games (Portal, Portal 2 Co-operative mode, Braid and Lemmings), were observed and analysed using metrics derived from a behavioural psychology understanding of how people solve problems. Findings suggest that; 1) the main skills learned in each game are introduced separately, 2) through simple puzzles that require only basic performance of that skill, 3) the player has the opportunity to practice and integrate that skill with previously learned skills, and 4) puzzles increase in complexity until the next new skill is introduced. These data provide practical guidance for designers, support contemporary thinking on the design of learning structures in games, and suggest future directions for empirical research.

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This article explores the ways in which gender was used in order to transform an exiled and uneducated illegitimate child into a prince. Our study revolves around a member of the royal family, Afonso (c.1480–1504), who was brought up in hiding by peasants and who later, as a teenager, was reincorporated into the court. We argue that the keys to this process of rehabilitation were, on one hand, family politics centred around different configurations and on the other, his introduction into a court environment marked by the ideals of chivalry. Within this dynamic, material culture played a key role, because it gave the prince all the visual attributes of his new status, as well as allowing him the means to create a new self. We shall briefly introduce Afonso and his family context in order to give an insight into his life within changing political and dynastic contexts. Then, we will analyse the expression of manhood in the Portuguese court, using the spectacles at the court as a basis for observation, thus relating gender to material culture in a courtly environment.

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The aim of this study was to identify how pitch area-restrictions affects the tactical behavior, physical and physiological performances of players during soccer large-sided games. A 10 vs. 9 large-sided game was performed under three experimental conditions: (i) restricted-spacing, the pitch was divided into specific areas where players were assigned and they should not leave it; (ii) contiguous-spacing, the pitch was divided into specific areas where the players were only allowed to move to a neighboring one; (iii) free-spacing, the players had no restrictions in space occupation. The positional data were used to compute players’ spatial exploration index and also the distance, coefficient of variation, approximate entropy and frequency of near-in-phase displacements synchronization of players’ dyads formed by the outfield teammates. Players’ physical and physiological performances were assessed by the distance covered at different speed categories, game pace and heart rate. Most likely higher values were found in players’ spatial exploration index under free-spacing conditions. The synchronization between dyads’ displacements showed higher values for contiguous-spacing and free-spacing conditions. In contrast, for the jogging and running intensity zones, restricted-spacing demanded a moderate effect and most likely decrease compared to other scenarios (~20-50% to jogging and ~60-90% to running). Overall, the effects of limiting players’ spatial exploration greatly impaired the co-adaptation between teammates’ positioning while decreasing the physical and physiological performances. These results allow for a better understanding of players’ decision-making process according to specific task rules and can be relevant to enrich practice task design, such that coaches acknowledge the differential effect by using specific pitch-position areas restrictions.