885 resultados para Afro-descendants


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Este ensayo examina el significado y la función de la literatura escrita y leída desde la experiencia de la negritud en Ecuador, especialmente en lo que se refiere al ejemplo de Nelson Estupiñán Bass (1912-2002), a quien se considera uno de los principales escritores afroecuatorianos. Parte del problema que se analiza tiene que ver con cómo identificar el contexto social en el cual se lee la producción literaria de Estupiñán. De ahí, el análisis se mueve entre la llamada ciudad letrada y las áreas rurales del norte de Esmeraldas donde varias comunidades luchan por tomar control de sus propias representaciones. Por lo tanto, la pregunta que emerge tiene que ver con el rol conflictivo de un escritor afroesmeraldeño que pretende articular e interpretar las necesidades, los intereses y las historias que definen a los habitantes de la provincia de Esmeraldas mientras asume una posición jerárquica de un intelectual socialmente comprometido que, inconsciente y paradójicamente, deja sin voz a aquellas comunidades que, durante siglos, han hablado por medio de sus mayores y ancestros.

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Desde 2005 en unas pocas “unidades operativas” (hospitales, centros y subcentros) del Ministerio de Salud Pública del Ecuador –MSP-, y desde el 2008 en muchas más se aplica una “estrategia intercultural” de atención del parto, que incluye la posición vertical, el acompañamiento de una partera o familiar, el consumo de alimentos y bebidas durante la labor de parto, la entrega y conservación de la placenta, entre otras. Son cambios importantes en la atención obstétrica, al menos en el discurso, ya que solo se concretan cuando el personal ha sido formado y está motivado a adaptar los protocolos de atención universal a las necesidades particulares de las poblaciones indígenas y afro-descendientes.

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A través del examen crítico del cuento “El negro Santander”, del libro Yunga (1933) del ecuatoriano Enrique Gil Gilbert, miembro de la conocida Generación del 30, se propone una serie de interrogantes desde lo que, en términos simbólicos, el texto revela en torno a la idea de la nación, sus exclusiones, la modernidad y la presencia de la diáspora afro en la sociedad ecuatoriana. Este ensayo echa luz, desde una perspectiva actual, sobre uno de los cuentos emblemáticos de la obra de Gil Gilbert que forma parte la vanguardia narrativa que se da en Ecuador y América Latina en los años 30 del siglo XX.

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La ley en Colombia y Ecuador, establece políticas para el reconocimiento de los derechos de las poblaciones afro, especialmente en lo que hace referencia a los derechos de propiedad colectiva. Sin embargo, pese a constituirse estas reglamentaciones en una posibilidad emancipadora para estas poblaciones, también implica niveles de exclusión en el caso colombiano, sobre todo de las poblaciones urbanas, el caso ecuatoriano es interesante en la media en que nombra y considera las poblaciones urbanas.

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Long distance dispersal (LDD) plays an important role in many population processes like colonization, range expansion, and epidemics. LDD of small particles like fungal spores is often a result of turbulent wind dispersal and is best described by functions with power-law behavior in the tails ("fat tailed"). The influence of fat-tailed LDD on population genetic structure is reported in this article. In computer simulations, the population structure generated by power-law dispersal with exponents in the range of -2 to -1, in distinct contrast to that generated by exponential dispersal, has a fractal structure. As the power-law exponent becomes smaller, the distribution of individual genotypes becomes more self-similar at different scales. Common statistics like G(ST) are not well suited to summarizing differences between the population genetic structures. Instead, fractal and self-similarity statistics demonstrated differences in structure arising from fat-tailed and exponential dispersal. When dispersal is fat tailed, a log-log plot of the Simpson index against distance between subpopulations has an approximately constant gradient over a large range of spatial scales. The fractal dimension D-2 is linearly inversely related to the power-law exponent, with a slope of similar to -2. In a large simulation arena, fat-tailed LDD allows colonization of the entire space by all genotypes whereas exponentially bounded dispersal eventually confines all descendants of a single clonal lineage to a relatively small area.

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This study details validation of two separate multiplex STR systems for use in paternity investigations. These are the Second Generation Multiplex (SGM) developed by the UK Forensic Science Service and the PowerPlex 1 multiplex commercially available from Promega Inc. (Madison, WI, USA). These multiplexes contain 12 different STR systems (two are duplicated in the two systems). Population databases from Caucasian, Asian and Afro-Caribbean populations have been compiled for all loci. In all but two of the 36 STR/ethnic group combinations, no evidence was obtained to indicate inconsistency with Hardy-Weinberg (HW) proportions. Empirical and theoretical approaches have been taken to validate these systems for paternity testing. Samples from 121 cases of disputed paternity were analysed using established Single Locus Probe (SLP) tests currently in use, and also using the two multiplex STR systems. Results of all three test systems were compared and no non-conformities in the conclusions were observed, although four examples of apparent germ line mutations in the STR systems were identified. The data was analysed to give information on expected paternity indices and exclusion rates for these STR systems. The 12 systems combined comprise a highly discriminating test suitable for paternity testing. 99.96% of non-fathers are excluded from paternity on two or more STR systems. Where no exclusion is found, Paternity Index (PI) values of > 10,000 are expected in > 96% of cases.

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The crisis of the national project in the early 1990s, caused by a short-lived but disastrous government, led Brazilian art cinema, for the first time, to look at itself as periphery and re-approach the old colonial center, Portugal. Terra estrangeira/Foreign Land (Walter Salles & Daniela Thomas, Brazil/Portugal, 1995), a film about Brazilian exiles in Portugal, is the best illustration of this perspective shift which provides a new sense of Brazil’s scale and position within a global context. Shot mainly on location in São Paulo, Lisbon and Cape Verde, it promotes the encounter of Lusophone peoples who find a common ground in their marginal situation. Rather than as a former empire, Portugal is defined by its situation at the edge of Europe and by beliefs such as Sebastianism, whose origins go back to the time when the country was dominated by Spain. As a result, notions of “core” or “center” are devolved to the realm of myth. The film’s carefully crafted dialogue combines Brazilian, Portuguese and Creole linguistic peculiarities into a common dialect of exclusion, while language puns trigger visual rhymes which refer back to the Cinema Novo (the Brazilian New Wave) repertoire and restage the imaginary of the discovery turned into unfulfilled utopia. The main characters also acquire historical resonances, as they are depicted as descendants of Iberian conquistadors turned into smugglers of precious stones in the present. Their activities define a circuit of international exchange which resonates with that of globalized cinema, a realm in which Foreign Land, made up of citations and homage to other cinemas, tries to retrieve a sense of belonging.

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The crisis of the national project in the early 1990s, caused by a short-lived but disastrous government, led Brazilian art cinema, for the first time, to look at itself as periphery and re-approach the old colonial centre, Portugal. Terra estrangeira/Foreign Land (Walter Salles & Daniela Thomas, Brazil/Portugal, 1995), a film about Brazilian exiles in Portugal, is the best illustration of this perspective shift aimed at providing a new sense of Brazil’s scale and position within a global context. Shot mainly on location in São Paulo, Lisbon and Cape Verde, it promotes the encounter of Lusophone peoples who find a common ground in their marginal situation. Even Portugal is defined by its location at the edge of Europe and by beliefs such as Sebastianism, whose origins go back to the time when the country was dominated by Spain. As a result, notions of ‘core’ or ‘centre’ are devolved to the realm of myth. The film’s carefully crafted dialogues combine Brazilian, Portuguese and Creole linguistic peculiarities into a common dialect of exclusion, while language puns trigger visual rhymes which refer back to the Cinema Novo (the Brazilian New Wave) repertoire and restage the imaginary of the discovery turned into unfulfilled utopia. The main characters also acquire historical resonances, as they are depicted as descendants of Iberian conquistadors turned into smugglers of precious stones in the present. Their activities define a circuit of international exchange which resonates with that of globalized cinema, a realm in which Foreign Land, made up of citations and homage to other cinemas, tries to retrieve a sense of belonging.

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This paper reports on an important subgroup of international boundary-spanners – immigrants and second or third generation migrants from the MNC's home country living in the subsidiary host country. We take as our example the Nikkeijin (Japanese immigrants and their descendants) in Brazil. Such bi-cultural people are a largely unexplored source of boundary-spanning internationally competent talent for multinational enterprises. Using two different surveys, we find that this group is recognized as a source of talent by Japanese MNCs, but that their HRM practices are not appropriate to attract and use them in their global talent management programmes.

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This article argues that two movements in constant interplay operate within the historical trajectory of the Spanish language: the localization that becomes globalized and the globalization that becomes localized. Equally, this article illustrates how, at the same time that Spanish is expanding in the world, new idiosyncratic and localized forms of the language are emerging. This article deals with the issues of standardization and language ideology, language contact, and redefinition of identities. The article focuses on three geographic loci: Spain, where Spanish opposes Catalan, Basque, and Galician; the United States, where migrants' Spanish dialects converge and confront English and each other; and finally, Latin America, where Spanish is in contact with Portuguese, indigenous, and Afro-Hispanic languages. The concepts that structure the discussion explain both language expansion and contraction as well as the conflict and constant negotiation between a language's standardized forms and its regional and social varieties.

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We present a new set of subjective age-of-acquisition (AoA) ratings for 299 words (158 nouns, 141 verbs) in 25 languages from five language families (Afro-Asiatic: Semitic languages; Altaic: one Turkic language: Indo-European: Baltic, Celtic, Germanic, Hellenic, Slavic, and Romance languages; Niger-Congo: one Bantu language; Uralic: Finnic and Ugric languages). Adult native speakers reported the age at which they had learned each word. We present a comparison of the AoA ratings across all languages by contrasting them in pairs. This comparison shows a consistency in the orders of ratings across the 25 languages. The data were then analyzed (1) to ascertain how the demographic characteristics of the participants influenced AoA estimations and (2) to assess differences caused by the exact form of the target question (when did you learn vs. when do children learn this word); (3) to compare the ratings obtained in our study to those of previous studies; and (4) to assess the validity of our study by comparison with quasi-objective AoA norms derived from the MacArthur–Bates Communicative Development Inventories (MB-CDI). All 299 words were judged as being acquired early (mostly before the age of 6 years). AoA ratings were associated with the raters’ social or language status, but not with the raters’ age or education. Parents reported words as being learned earlier, and bilinguals reported learning them later. Estimations of the age at which children learn the words revealed significantly lower ratings of AoA. Finally, comparisons with previous AoA and MB-CDI norms support the validity of the present estimations. Our AoA ratings are available for research or other purposes.

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Dissertação apresentada ao Programa de Pós-graduação em Comunicação- Mestrado da Universidade Municipal de São Caetano do Sul

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As freqüências de variantes alélicas de diferentes genes envolvidos no desenvolvimento da resposta imune foram analisadas em uma população de origem japonesa do sul do Brasil (n=119). Polimorfismos bialélicos dos genes CCR5, TNFR-II e IL-10, e dos segmentos gênicos TCRBV3S1, TCRBV13S5 e TCRBV18 foram analisados por PCR-RFLP. As freqüências alélicas foram determinadas e comparadas com as freqüências encontradas em outros grupos étnicos (caucasóides e afro-brasileiros). Nós observamos a ausência do alelo CCR5D32 na população testada. Os polimorfismos dos segmentos gênicos TCRBV3S1 e TCRBV13S5, e do gene IL-10 apresentaram freqüências alélicas significativamente diferentes das freqüências observadas em caucasóides e afro-brasileiros. O polimorfismo do segmento gênico TCRBV18 apresentou freqüências alélicas estatisticamente diferentes de caucasóides. Além disso, a comparação de duas sub-populações (definidas em nossa amostra de acordo com a origem geográfica no Japão) indicou diferenças entre as freqüências alélicas dos polimorfismos gênicos de TCRBV18 e IL-10 das mesmas. Esses dados indicam a existência de diferentes padrões imunogenéticos entre diferentes grupos étnicos. Outros polimorfismos SNPs de genes ligados ao sistema imune serão testados e comparados em nosso laboratório, utilizando as mesmas populações.