853 resultados para scopus


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En este estudio se analiza la producción científica en agricultura y cambio climático en América Latina y el Caribe, a partir de información derivada de la base de datos bibliométrica Scopus, durante el período 1990-2012. SU principal objetivo es incluir en las agendas de investigación y desarrollo e innovación agrícola temas vinculados con la identificación de las mejores alternativas en el sector agrícola para la adaptación al cambio climático, para la reducción de gases de efecto invernadero y para la captura de estos. A partir de estadísticas descriptivas se presentan comparaciones con la producción científica global en agricultura y en agricultura y cambio climático, se analizan tendencias globales y regionales en los volúmenes de producción, así como en materia de colaboración y de multidisciplinariedad. Y utilizando técnicas de análisis de redes se examinan tendencias en colaboración y multidisciplinariedad a nivel subregional (Región Sur, Mesoamérica y Región Andina) y para el agregado regional, a partir de una base de datos creada específicamente para dicho propósito.

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Pós-graduação em Saúde Coletiva - FMB

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The regular practice of physical therapy is indicated as a non-pharmacological treatment of Alzheimer's disease by promoting cognitive, behavioral and functional benefits. However, little is known about the protocols with home-based motor intervention for this population. Thinking about it, this review aimed to investigate and analyze the protocols for home-based motor intervention for elderly with Alzheimer's disease described in scientific articles. A systematic search was performed in the following databases: Web of Science, PubMed, PsycINFO, and Scopus, using the following keywords and Boolean operators: home-based exercise OR home-based physical exercise OR home-based physical fitness OR home-based rehabilitation OR home-based physical therapy OR home-based physical activity OR home-based engine Intervention and AD OR Alzheimer's disease OR AlzheimerOR Alzheimer's dementia. We also conducted a manual search of reference lists of selected articles. Of the five articles that met the inclusion criteria adopted, three performed a protocol for home motor intervention, achieving good compliance with the program, improvement of general health and reduction of depressive symptoms. The other two studies were limited to describing the protocols. Although more studies are needed, with detailed protocols, this review allowed to show that protocols for home motor intervention can also produce positive effects for both patients and caregivers.

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

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Pós-graduação em Ciência da Informação - FFC

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This paper analyses the scientific collaboration network formed by the Brazilian universities that investigate in dentistry area. The constructed network is based on the published documents in the Scopus (Elsevier) database covering a period of 10 (ten) years. It is used social network analysis as the best methodological approach to visualize the capacity for collaboration, dissemination and transmission of new knowledge among universities. Cohesion and density of the collaboration network is analyzed, as well as the centrality of the universities as key-actors and the occurrence of subgroups within the network. Data were analyzed using the software UCINET and NetDraw. The number of documents published by each university was used as an indicator of its scientific production.

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This research aimed to study the international scientific collaboration, through co-authorship, and the impact of full papers published in journals Qualis A1 and A2 of Graduate Programs in Animal Science of excellence (2007-2009). Through the indicators of production of graduate evaluation from CAPES, the research gathered the scientific production of three graduate programs, adding up to 125 articles. The citations received were gathered from the SCOPUS database and the impact of journals from the SCImago Journal & Country Rank. In order to investigate the correlation among the indicators analyzed, Pearson’s linear correlation coefficients were calculated. It was observed that the Impact Factor (IF) of the journal may influence the number of citations and that there is a weak trend for association of IFs with the number of coauthor countries. It was not observed a statistically significant correlation between the number of collaborating countries and citations received by the article.

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This research aims at verifying the authors who have given basis to the brazilian researches internationally inserted in the area of Bibliometrics and Scientometrics through the analysis of citation and co-citation of the brazilian articles published in the journal Scientometrics. We used the Scopus data base, with the terms Scientometrics in source title and Brasil or Brazil in affiliation country. We found 53 articles, with 741 references and 19 authors cited 3 or more times. In general, the researchers come from the biologic and health areas. Using the Ucinet software, we build the co-citation network and calculated its indicators. We calculated the co-citation normalized index. The density and average of normalized degree centrality were 65,5%. We concluded the research highlighting the significant presence of brazilians (32%) and the dialogicity occurring between cited Brazilians and foreigners within a balance, where brazilians already dialog with renowned international researchers of the Bibliometrics and Scientometrics area.

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The objective of this is study is to point inter-institutional partnerships in Information Science formed through co-authorship network. More specifically, we calculate indicators of centrality degree, betweenness centrality and closeness centrality, and analyze the relationships between the grades attributed by CAPES - Coordination for the Improvement of Higher Education Personnel - to the institutions and the indicators on the network, checking whether there is proximity and similarity between network indicators and CAPES's grades. Our corpus consisted of all articles published in the four journals in the field of Information Science in Brazil, with regular publications, based in SciVerse Scopus, for the 2010- 2012 period. We retrieved 237 articles, 58 co-authored, with 117 participant institutions. We conducted the analysis of relations between institutions with greater grades by CAPES and the network through centrality indicators. It was concluded that these network indicators and CAPES concepts are articulated, harmonizing these two categories of indicators.

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This study aims to present, analyze and compare the results of applying three normalization procedures on the index of citations per document: normalized by the overall mean, median and the mean of the 10% most productive in the area, in the universe of Brazilian science in the 27 areas of knowledge presented by Scopus. From the data obtained on SCImago Journal & Country Rankings for the 27 areas, we calculated Ma, Md and Ma10% of the number of citations per document for the set of countries. Next, for each area, we calculated the normalized index of Brazil by the overall mean ( ), median ( ) and the mean of the 10% most productive countries ( ). It was concluded that normalization procedures present results with fewer biases and are more representative of the actual performance of the area in relation to its peers when comparing different areas of knowledge. This is the major contribution of normalized indicators pointed out by this research.

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Background: Autism is a disorder characterized by pervasive social and communicative impairments, repetitive and stereotyped behaviors and restricted interests. Its causes and effects have been researched from various neurocognitive theoretical perspectives and with the aid of neuroimaging technology. We aimed to describe biopsychosocial processes characteristic of the Autism Spectrum Disorders. Method: Literature review using Medline and Scopus databases published between 2001 and 2011, with the keywords "autism", "theory of mind", "executive functions", "central coherence" and “fMRI”. Results: The studies found were plotted and organized into tables and an explanatory diagram of the main findings was produced. Conclusions: The most popular neurocognitive theories are still unable to fully explain the characteristics of the complications that autistic spectrum disorder causes to the quality of life of individuals living with autism. The association of clinical research and neuroimaging may contribute to a better understanding of the functioning of the brain affected by the disorder.