481 research outputs found

    La asistencia psiquiátrica en el momento actual vista por un diputado médico

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    PATRONES MUSICALES, ESQUEMAS, Y METÁFORAS DE SENTIDO:: UN MODELO INTEGRAL DE COGNICIÓN TONAL

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    Tradicionalmente, los estudios en cognición tonal asumen que los significados de la tonalidad en la experiencia musical del oyente pueden reducirse de un modo u otro a la información sobre las clases de altura que presenta una pieza. Sin embargo, estudios recientes sugieren que los componentes tanto afectivos como cognitivos de la experiencia tonal dependen, al menos en parte, de los patrones de altura específicos que cada pieza presenta. Además, sugieren que la conexión entre dichos componentes no es lineal, y también que puede verse modificada por las categorías conceptuales que los oyentes utilizan para apreciar y comprender la música. Sobre la base de estas ideas se formula un modelo de cognición tonal en donde se sintetizan los antecedentes disponibles y se integran los diferentes componentes que atravesarían la experiencia de la música tonal

    Spies, Sanctions, and Single-Party States: How American Sanctions Influence Intelligence Operations

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    States have a diverse and unique set of available mechanisms to deploy when seeking to interact in the international community. Economic sanctions have long been one such tool available for states looking to coerce or incentivize a change in the behavior of another state. Likewise, states have historically sought to influence and gain unknown knowledge on another state or actor. Covert intelligence operations have changed forms, mechanisms, and techniques, especially since the expansive advancements in technology in the 21st century. This paper seeks to understand the influence that economic sanctions have on the ability for single-party states to conduct intelligence operations against the United States. A comparative case study, composed of a series of questions and deployed in a casebook method, explores these unique behaviors through the cases of Cuba and China. A better understanding between economic sanctions and intelligence operations can offer American foreign policymakers another avenue to consider when deploying economic sanctions

    On Power Sharing and Stability in Autonomous Inverter-Based Microgrids

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    We consider the problem of voltage and frequency stability for an autonomous inverter-based microgrid. An LMI-based decentralized feedback control design is derived that stabilizes the system under the consideration of droop-like controllers aiming to achieve power sharing among the different generation units. We provide a design procedure that accounts for uncertainties in line impedances and loads while guaranteeing zero steady-state frequency deviation

    Probing Ion-Ion and Electron-Ion Correlations in Liquid Metals within the Quantum Hypernetted Chain Approximation

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    We use the Quantum Hypernetted Chain Approximation (QHNC) to calculate the ion-ion and electron-ion correlations for liquid metallic Li, Be, Na, Mg, Al, K, Ca, and Ga. We discuss trends in electron-ion structure factors and radial distribution functions, and also calculate the free-atom and metallic-atom form-factors, focusing on how bonding effects affect the interpretation of X-ray scattering experiments, especially experimental measurements of the ion-ion structure factor in the liquid metallic phase.Comment: RevTeX, 19 pages, 7 figure

    Enhancing utilization of the findings from the youth reproductive health project in Senegal

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    This operations research (OR) study focused on providing information appropriate to the cultural context of Senegalese adolescents on a variety of reproductive health issues including: knowledge of the human body; puberty; sexuality; gender roles; different cultural, familial, and peer values regarding sexual and reproductive behavior; contraception; responsible parenthood; STIs and AIDS; and sources of help and services. The study was undertaken in three urban communities in northern Senegal and had an overall positive result on young people\u27s reproductive health knowledge, enhanced community understanding of youth reproductive health needs, and showed that a multisectoral approach is vital to supporting young people’s healthy growth. This success prompted a follow-up effort to institutionalize youth reproductive health in the study districts, create a favorable policy and funding environment for adolescent reproductive health at the national level, and scale up the intervention in Senegal and to other francophone African countries (Mauritania, Guinea, Burkina Faso, Mali). This summary describes the essential process elements of this institutionalization effort. FRONTIERS provided technical assistance to the government ministries to develop action plans which were submitted to development partners for funding

    Mainstreaming adolescent reproductive health in Senegal: Enhancing utilization of the findings from the youth reproductive health project

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    From 1999–2003, FRONTIERS implemented a Global Agenda program of operations research projects to address the reproductive health (RH) needs of adolescents in four countries—Bangladesh, Kenya, Mexico, and Senegal. The project was implemented in urban areas of Saint-Louis and Louga, in northwestern Senegal, and was known as Improving the Reproductive Health of Youth in Senegal. The project supported a public-sector, multisectoral intervention to enhance young people’s knowledge and behavior regarding HIV prevention and RH, and systematically tested its feasibility, acceptability, effectiveness, and cost. The intervention had a significant positive impact on young people’s awareness and understanding of RH issues. The pilot project showed that a multisectoral partnership with government agencies and involving interventions in communities, schools, and public health clinics could have significant positive results. Based on the pilot’s success, FRONTIERS worked with the Ministries of Health and Youth to launch a follow-up project. As noted in this report, the project (2004–07) focused on sustaining adolescent RH activities in the two pilot districts and enabling scale-up in other areas of Senegal as well as replication by other organizations in francophone West Africa

    CPEB4 (cytoplasmic polyadenylation element binding protein 4)

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    Review on CPEB4, with data on DNA/RNA, on the protein encoded and where the gene is implicated

    Osteotome sinus floor elevation without grafting material: results of a 2-year prospective study

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    Objectives: The aim of this prospective clinical trial was to evaluate the success implant rates during 24 months using OSFE procedure without grafting materials. Study Design: 42 adult patients (22 female, 15 male) were selected according to Nedir et al ?s inclusion criteria of which 5 patients were excluded, due to periapical pathology in adjacent teeth (n=3) and treatment with bisphos - phonates (n=2). 37 patients aged 31-68 years were selected. Smokers were divided in two groups depending on the number of cigarettes consumed per day (a) 0-10, (b) 11-20. One patient was excluded because he was lost to follow- up at 24 months A total of 36 threaded implants were placed, | 4,1mm Straumann® (Straumann AG, Waldenburg, Switzerland) and | 3,5mm Klockner® (Klockner Implant System, Barcelona, Spain). The most used implant dia - meter was 4,1 mm (n=29), followed by 3,5 mm (n=7), and length used was 10 mm (n=32) and 8 mm (n=4). Initial RBH ranged from 4 mm to 9 mm. All statistical data were processed using the program R 3.0.2 for windows. Results: A total of 36 threaded implants were placed. Residual bone height (RBH) at implant placement averaged 7,4 ± 0,4 mm. Mean bone gain was 1,8 ± 0,3 mm. Four implants showed a bone gain exceeding 3 mm. Mean im - plant protrusion length into the sinus amounted to 2.1 ± 0,3 mm. Regarding the relationship between smoking and periodontal probes, no statistically significant differences were found ( P =0,25), neither in relation to the number of threads that the implants showed ( P =0,29) or bone gain ( P =0,79). After 24 months the implant success rate was 91,6%. Conclusions: Implant rehabilitation of edentulous atrophied posterior maxilla can be safely performed and simpli - fied using the OSFE technique without grafting with reliable long-term results
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