1,720,976 research outputs found

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Author Index

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    koamabayili/VECTRON-author-checklist: VECTRON author checklist

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    We have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used

    Towards personalized medicine in psychosis: the roles of social cognition and metacognition

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    Programa de Doctorat en Psicologia Clínica i de la Salut / Tesi realitzada al Parc Sanitari Sant Joan de Déu[eng] People with psychosis experience a range of symptoms and impairments that significantly impact their lives and often concur with disability. The best predictors of functional outcome are social cognition and metacognition, which are often impaired in psychosis. Interventions to improve both domains are effective, but this efficacy does not always translate into better functioning. Delivering early, and targeted social cognitive or metacognitive interventions to patients with psychosis could be instrumental in preventing poor functional outcome and preventing relapse, but the grounds on how to personalize these interventions are unknown. Although it has been suggested that the approach should take sex differences, the refining of measurement instruments and the use of sophisticated statistical models, these have not been explored yet. Under this rationale, the present doctoral dissertation aims to: 1) validate a test of facial emotion recognition (Baron Cohen’s Face Test) in healthy population, with the aim of detecting whether it is an appropriate tool to use in clinical research, 2) detect whether patients with first episode psychosis have different, clinically meaningful profiles of performance in social cognition and metacognition, 3) explore the sociodemographic, clinical, and neurocognitive characteristics of each profile, 4) examine if males and females with first episode psychosis are similar in their heterogeneity in social cognition and metacognition, 5) explore the role of social cognition and sex in functional outcome in people with established psychosis (schizophrenia). This broad aim yielded four research articles. The main findings of this doctoral dissertation are a) Baron Cohen’s Face Test is an adequate and reliable instrument to measure facial emotion recognition in Spanish population but it presents a ceiling effect, b) People with first-episode psychosis have distinct profiles of social cognition and metacognition that have specific clinical and neurocognitive correlates. Having worse social cognition is associated with worse clinical presentation, even if metacognition is preserved, c) Men and women with first-episode psychosis have similar configurations of social cognition and metacognition. However, there are sex- specific profiles that should be considered when delivering treatment. Sex-specific profiles seem to be associated with more severity of the disorder than the common profiles. These results suggest that people with psychosis can receive social cognitive or metacognitive targeted treatment as early as after the first episode, but these should be chosen considering the profile of each individual and their biological sex. Thus, patients with psychosis should always be carefully assessed for social cognitive and metacognitive performance.[spa] Las personas con psicosis experimentan una serie de síntomas y déficits que afectan significativamente a sus vidas y que a menudo concurren con la discapacidad. Los mejores predictores de funcionamiento son la cognición social y la metacognición, que a menudo presentan deterioro en personas con psicosis. Diversas intervenciones para mejorar ambos dominios son eficaces, pero esto no siempre se traduce en un mejor funcionamiento. Para ello, se ha propuesto que intervenciones en cognición social y metacognición tempranas y dirigidas podrían maximizar su efecto sobre el funcionamiento y la prevención de recaídas. No obstante, se desconocen los fundamentos que debería guiar su personalización. Aunque se ha sugerido que el enfoque debería tener en cuenta las diferencias de sexo, el perfeccionamiento de los instrumentos de medida y el uso de modelos estadísticos sofisticados, éstos aún no se han explorado en la literatura. Bajo este razonamiento, la presente tesis doctoral pretende: 1) validar una prueba de reconocimiento facial de emociones (Test de Caras de Baron Cohen) en población sana, con el objetivo de detectar si es un instrumento adecuado para utilizar en la investigación clínica, 2) detectar si los pacientes con primer episodio de psicosis tienen perfiles diferentes y clínicamente significativos de rendimiento en cognición social y metacognición, 3) explorar las características sociodemográficas, clínicas y neurocognitivas de cada perfil, 4) examinar si los hombres y las mujeres con primer episodio psicótico son similares en su heterogeneidad en la cognición social y la metacognición, 5) explorar el papel de la cognición social y el sexo en el resultado funcional en personas con psicosis establecida (esquizofrenia). Este amplio objetivo dio lugar a cuatro artículos de investigación. Los principales hallazgos de esta tesis doctoral son: a) El Test de Caras de Baron Cohen es un instrumento adecuado y fiable para medir el reconocimiento de emociones faciales en población española, pero presenta un efecto techo, b) Las personas con primer episodio psicótico tienen perfiles distintos de cognición social y metacognición, con correlatos clínicos y neurocognitivos específicos asociados. Tener una peor cognición social se asocia con una peor presentación clínica, incluso si la metacognición está preservada, c) Los hombres y las mujeres con primer episodio psicótico tienen configuraciones similares de cognición social y metacognición. Sin embargo, existen perfiles específicos de cada sexo que deben tenerse en cuenta a la hora de aplicar el tratamiento, ya que éstos parecen estar asociados a una mayor gravedad del trastorno que los perfiles comunes. Estos resultados sugieren que las personas con psicosis pueden recibir tratamiento en cognición social o metacognición específico desde el primer episodio psicótico, pero éste debe elegirse teniendo en cuenta el perfil de cada individuo y su sexo biológico. Para ello, se pone de manifiesto la necesidad de una correcta evaluación de sus habilidades cognitivo-sociales y metacognitivas

    Towards personalized medicine in psychosis: the roles of social cognition and metacognition

    Get PDF
    [eng] People with psychosis experience a range of symptoms and impairments that significantly impact their lives and often concur with disability. The best predictors of functional outcome are social cognition and metacognition, which are often impaired in psychosis. Interventions to improve both domains are effective, but this efficacy does not always translate into better functioning. Delivering early, and targeted social cognitive or metacognitive interventions to patients with psychosis could be instrumental in preventing poor functional outcome and preventing relapse, but the grounds on how to personalize these interventions are unknown. Although it has been suggested that the approach should take sex differences, the refining of measurement instruments and the use of sophisticated statistical models, these have not been explored yet. Under this rationale, the present doctoral dissertation aims to: 1) validate a test of facial emotion recognition (Baron Cohen’s Face Test) in healthy population, with the aim of detecting whether it is an appropriate tool to use in clinical research, 2) detect whether patients with first episode psychosis have different, clinically meaningful profiles of performance in social cognition and metacognition, 3) explore the sociodemographic, clinical, and neurocognitive characteristics of each profile, 4) examine if males and females with first episode psychosis are similar in their heterogeneity in social cognition and metacognition, 5) explore the role of social cognition and sex in functional outcome in people with established psychosis (schizophrenia). This broad aim yielded four research articles. The main findings of this doctoral dissertation are a) Baron Cohen’s Face Test is an adequate and reliable instrument to measure facial emotion recognition in Spanish population but it presents a ceiling effect, b) People with first-episode psychosis have distinct profiles of social cognition and metacognition that have specific clinical and neurocognitive correlates. Having worse social cognition is associated with worse clinical presentation, even if metacognition is preserved, c) Men and women with first-episode psychosis have similar configurations of social cognition and metacognition. However, there are sex- specific profiles that should be considered when delivering treatment. Sex-specific profiles seem to be associated with more severity of the disorder than the common profiles. These results suggest that people with psychosis can receive social cognitive or metacognitive targeted treatment as early as after the first episode, but these should be chosen considering the profile of each individual and their biological sex. Thus, patients with psychosis should always be carefully assessed for social cognitive and metacognitive performance.[spa] Las personas con psicosis experimentan una serie de síntomas y déficits que afectan significativamente a sus vidas y que a menudo concurren con la discapacidad. Los mejores predictores de funcionamiento son la cognición social y la metacognición, que a menudo presentan deterioro en personas con psicosis. Diversas intervenciones para mejorar ambos dominios son eficaces, pero esto no siempre se traduce en un mejor funcionamiento. Para ello, se ha propuesto que intervenciones en cognición social y metacognición tempranas y dirigidas podrían maximizar su efecto sobre el funcionamiento y la prevención de recaídas. No obstante, se desconocen los fundamentos que debería guiar su personalización. Aunque se ha sugerido que el enfoque debería tener en cuenta las diferencias de sexo, el perfeccionamiento de los instrumentos de medida y el uso de modelos estadísticos sofisticados, éstos aún no se han explorado en la literatura. Bajo este razonamiento, la presente tesis doctoral pretende: 1) validar una prueba de reconocimiento facial de emociones (Test de Caras de Baron Cohen) en población sana, con el objetivo de detectar si es un instrumento adecuado para utilizar en la investigación clínica, 2) detectar si los pacientes con primer episodio de psicosis tienen perfiles diferentes y clínicamente significativos de rendimiento en cognición social y metacognición, 3) explorar las características sociodemográficas, clínicas y neurocognitivas de cada perfil, 4) examinar si los hombres y las mujeres con primer episodio psicótico son similares en su heterogeneidad en la cognición social y la metacognición, 5) explorar el papel de la cognición social y el sexo en el resultado funcional en personas con psicosis establecida (esquizofrenia). Este amplio objetivo dio lugar a cuatro artículos de investigación. Los principales hallazgos de esta tesis doctoral son: a) El Test de Caras de Baron Cohen es un instrumento adecuado y fiable para medir el reconocimiento de emociones faciales en población española, pero presenta un efecto techo, b) Las personas con primer episodio psicótico tienen perfiles distintos de cognición social y metacognición, con correlatos clínicos y neurocognitivos específicos asociados. Tener una peor cognición social se asocia con una peor presentación clínica, incluso si la metacognición está preservada, c) Los hombres y las mujeres con primer episodio psicótico tienen configuraciones similares de cognición social y metacognición. Sin embargo, existen perfiles específicos de cada sexo que deben tenerse en cuenta a la hora de aplicar el tratamiento, ya que éstos parecen estar asociados a una mayor gravedad del trastorno que los perfiles comunes. Estos resultados sugieren que las personas con psicosis pueden recibir tratamiento en cognición social o metacognición específico desde el primer episodio psicótico, pero éste debe elegirse teniendo en cuenta el perfil de cada individuo y su sexo biológico. Para ello, se pone de manifiesto la necesidad de una correcta evaluación de sus habilidades cognitivo-sociales y metacognitivas
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