39 research outputs found

    Hacia un modelo de formación continuada de docentes de educación superior en el uso pedagógico de las tecnologías de información y comunicación

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    This document presents a proposal of an educational teacher training model for higher education that incorporates Information and Communication Technologies (ICTs) in their curricular programs. The model, within the framework (Conexiones: teacher training program directed to basic and media education), raises a sustained base line in the state-of-the-art of teacher training at university level within the actions and policies of the European, North Americans, Latin Americans countries and Colombia. In Colombia, the process has been considered from the perspective and processes developed by the G10 group, in which EAFIT University is one of the members. The proposal of the teacher training model includes a defi nition of a profi le for the university teacher in the ICTs context and it is centered in the competences and the set of actions and contents that should be expressed in the proposed training micro curriculum. The research carried out an experiment with teachers of EAFIT University of Medellín-Colombia, to validate the pertinence of the model.Este documento presenta una propuesta de modelo de formación para docentes de educación superior. Este modelo se constituye en una proyección del modelo de referencia: formación de docentes Conexiones dirigido a docentes de educación básica y media, hacia la educación superior.El modelo plantea una línea de base sustentada en el estado del arte de la formación docente a nivel universitario en el marco de las acciones y políticas de los países europeos, norte americanos, de Latinoamérica y Colombia en donde se contempla de manera especial la posición y procesos que se vienen desarrollando desde el grupo G10 del cual hace parte la Universidad EAFIT. La propuesta del modelo de formación incluye la definición de un perfil para el docente universitario centrado en competencias y un conjunto de acciones y contenidos que se expresan en un micro currículo de formación. Como parte de la investigación se realiza una validación del comportamiento del modelo mediante un experimento llevado a cabo con docentes de la Universidad EAFIT de Medellín, Colombia

    Chromosome-Level Genome Assembly of the Blue Mussel Mytilus chilensis Reveals Molecular Signatures Facing the Marine Environment

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    The blue mussel Mytilus chilensis is an endemic and key socioeconomic species inhabiting the southern coast of Chile. This bivalve species supports a booming aquaculture industry, which entirely relies on artificially collected seeds from natural beds that are translocated to diverse physical–chemical ocean farming conditions. Furthermore, mussel production is threatened by a broad range of microorganisms, pollution, and environmental stressors that eventually impact its survival and growth. Herein, understanding the genomic basis of the local adaption is pivotal to developing sustainable shellfish aquaculture. We present a high-quality reference genome of M. chilensis, which is the first chromosome-level genome for a Mytilidae member in South America. The assembled genome size was 1.93 Gb, with a contig N50 of 134 Mb. Through Hi-C proximity ligation, 11,868 contigs were clustered, ordered, and assembled into 14 chromosomes in congruence with the karyological evidence. The M. chilensis genome comprises 34,530 genes and 4795 non-coding RNAs. A total of 57% of the genome contains repetitive sequences with predominancy of LTR-retrotransposons and unknown elements. Comparative genome analysis of M. chilensis and M. coruscus was conducted, revealing genic rearrangements distributed into the whole genome. Notably, transposable Steamer-like elements associated with horizontal transmissible cancer were explored in reference genomes, suggesting putative relationships at the chromosome level in Bivalvia. Genome expression analysis was also conducted, showing putative genomic differences between two ecologically different mussel populations. The evidence suggests that local genome adaptation and physiological plasticity can be analyzed to develop sustainable mussel production. The genome of M. chilensis provides pivotal molecular knowledge for the Mytilus complex

    Non-productive angiogenesis disassembles Aß plaque-associated blood vessels

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    The human Alzheimer’s disease (AD) brain accumulates angiogenic markers but paradoxically, the cerebral microvasculature is reduced around Aß plaques. Here we demonstrate that angiogenesis is started near Aß plaques in both AD mouse models and human AD samples. However, endothelial cells express the molecular signature of non-productive angiogenesis (NPA) and accumulate, around Aß plaques, a tip cell marker and IB4 reactive vascular anomalies with reduced NOTCH activity. Notably, NPA induction by endothelial loss of presenilin, whose mutations cause familial AD and which activity has been shown to decrease with age, produced a similar vascular phenotype in the absence of Aß pathology. We also show that Aß plaque-associated NPA locally disassembles blood vessels, leaving behind vascular scars, and that microglial phagocytosis contributes to the local loss of endothelial cells. These results define the role of NPA and microglia in local blood vessel disassembly and highlight the vascular component of presenilin loss of function in AD

    Enhancing studies of the connectome in autism using the autism brain imaging data exchange II

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    The second iteration of the Autism Brain Imaging Data Exchange (ABIDE II) aims to enhance the scope of brain connectomics research in Autism Spectrum Disorder (ASD). Consistent with the initial ABIDE effort (ABIDE I), that released 1112 datasets in 2012, this new multisite open-data resource is an aggregate of resting state functional magnetic resonance imaging (MRI) and corresponding structural MRI and phenotypic datasets. ABIDE II includes datasets from an additional 487 individuals with ASD and 557 controls previously collected across 16 international institutions. The combination of ABIDE I and ABIDE II provides investigators with 2156 unique cross-sectional datasets allowing selection of samples for discovery and/or replication. This sample size can also facilitate the identification of neurobiological subgroups, as well as preliminary examinations of sex differences in ASD. Additionally, ABIDE II includes a range of psychiatric variables to inform our understanding of the neural correlates of co-occurring psychopathology; 284 diffusion imaging datasets are also included. It is anticipated that these enhancements will contribute to unraveling key sources of ASD heterogeneity

    Factores de riesgo psicosociales y ambientales asociados a trastornos mentales

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    In Colombia, there are few studies on the association of psychosocial and environmental factors with the most prevalent mental disorders; such studies are important due to the context of violence, social insecurity, and job and economic instability in the country. The objective of this study was to identify the psychosocial and environmental risk factors for mental disorders, in users of psychological services in Colombia. The Mini International Neuropsychiatric Interview and a Questionnaire to evaluate the Axis-IV of the DSM-IV-TR were applied to 490 participants. The analysis comprised descriptive statistics and risk factors. As risk factors for depression, there were identified housing problems, access to health care services, problems related to the primary group, economics, problems of the social environment, and labor. For generalized anxiety, there were identified economic and education issues. For panic disorders, the risk factors were related to social environment, and for social phobia, the risk factors were problems in education, work and social environment.En Colombia, son escasos los estudios sobre la asociación de los factores psicosociales y medioambientales con trastornos mentales de mayor prevalencia; tales estudios son necesarios debido al contexto de violencia, inseguridad social e inestabilidad laboral y económica del país. El objetivo de este estudio fue identificar los factores de riesgo psicosociales y ambientales de los trastornos mentales, en los usuarios de servicios de psicología de Colombia. Para ello, se aplicaron el MiniInternational Neuropsychiatric Interview y un cuestionario de evaluación del Eje IV del DSM-IV-TR, a 490 participantes. Se utilizaron análisis descriptivos y de factores de riesgo. Como factor de riesgo para la depresión, se identificaron los problemas de vivienda, acceso a los servicios de asistencia sanitaria, los relativos al grupo primario, los económicos, del ambiente social y los problemas laborales. Para la ansiedad generalizada se identificaron los problemas económicos y los relativos a la enseñanza. Para los trastornos de pánico, fueron relevantes los problemas relacionados con el ambiente social, y para la fobia social, los problemas de enseñanza, los laborales y el ambiente social

    Cognitive vulnerability in mental disorders

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    ABSTRACT: Introduction: Modes of cognitive vulnerability were evaluated in outpatients of psychological services centers with diagnoses of mental disorders. Objective: To establish components of cognitive vulnerability in different mental disorders. Method: The participants were 490 users of psychological services centers from twelve universities in Colombia. To identify the presence or absence of mental disorders, they completed the MINI International Neuropsychiatric Interview.The Young Schemes Questionnaire, the Core Beliefs Questionnaire for Personality Disorders, the Inventory of Automatic Thoughts, and the Coping Strategies Questionnaire were also applied. To establish distinctive characteristics among actual major depression, generalized anxiety disorder, panic disorder, social anxiety, and non-alcoholic substance abuse, a logistic regression analysis was conducted. Results: The results showed cognitive distinctive vulnerability profiles, according to the disorder. Conclusion: The hypothesis of cognitive specificity for the different mental disorders is confirmed.RESUMEN: Introducción: Se evaluaron los modos de vulnerabilidad cognitiva en usuarios de consulta externa en psicología, diagnosticados con trastornos mentales. Objetivo: Establecer componentes de vulnerabilidad cognitiva en diferentes trastornos mentales. Método: Participaron 490 usuarios de servicios psicológicos de doce universidades de Colombia. Se aplicó la Entrevista Neuropsiquiátrica Internacional para identificar la presencia o no de trastornos mentales; igualmente, se aplicaron el Cuestionario de Esquemas de Young, el Cuestionario de Creencias Centrales de Trastornos de la Personalidad, el Inventario de Pensamientos Automáticos y el Cuestionario de Estrategias de Afrontamiento. Se realizaron análisis de regresión logística para establecer características distintivas en los trastornos de depresión mayor actual, ansiedad generalizada, angustia, ansiedad social y abuso de sustancias no alcohólicas. Resultados: Se reportaron perfiles cognitivos de vulnerabilidad diferenciados de acuerdo con el trastorno. Conclusión: Se confirma la hipótesis de especificidad cognitiva para los diferentes trastornos mentales

    Mortality and pulmonary complications in patients undergoing surgery with perioperative SARS-CoV-2 infection: an international cohort study

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    Background: The impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on postoperative recovery needs to be understood to inform clinical decision making during and after the COVID-19 pandemic. This study reports 30-day mortality and pulmonary complication rates in patients with perioperative SARS-CoV-2 infection. Methods: This international, multicentre, cohort study at 235 hospitals in 24 countries included all patients undergoing surgery who had SARS-CoV-2 infection confirmed within 7 days before or 30 days after surgery. The primary outcome measure was 30-day postoperative mortality and was assessed in all enrolled patients. The main secondary outcome measure was pulmonary complications, defined as pneumonia, acute respiratory distress syndrome, or unexpected postoperative ventilation. Findings: This analysis includes 1128 patients who had surgery between Jan 1 and March 31, 2020, of whom 835 (74·0%) had emergency surgery and 280 (24·8%) had elective surgery. SARS-CoV-2 infection was confirmed preoperatively in 294 (26·1%) patients. 30-day mortality was 23·8% (268 of 1128). Pulmonary complications occurred in 577 (51·2%) of 1128 patients; 30-day mortality in these patients was 38·0% (219 of 577), accounting for 81·7% (219 of 268) of all deaths. In adjusted analyses, 30-day mortality was associated with male sex (odds ratio 1·75 [95% CI 1·28–2·40], p\textless0·0001), age 70 years or older versus younger than 70 years (2·30 [1·65–3·22], p\textless0·0001), American Society of Anesthesiologists grades 3–5 versus grades 1–2 (2·35 [1·57–3·53], p\textless0·0001), malignant versus benign or obstetric diagnosis (1·55 [1·01–2·39], p=0·046), emergency versus elective surgery (1·67 [1·06–2·63], p=0·026), and major versus minor surgery (1·52 [1·01–2·31], p=0·047). Interpretation: Postoperative pulmonary complications occur in half of patients with perioperative SARS-CoV-2 infection and are associated with high mortality. Thresholds for surgery during the COVID-19 pandemic should be higher than during normal practice, particularly in men aged 70 years and older. Consideration should be given for postponing non-urgent procedures and promoting non-operative treatment to delay or avoid the need for surgery. Funding: National Institute for Health Research (NIHR), Association of Coloproctology of Great Britain and Ireland, Bowel and Cancer Research, Bowel Disease Research Foundation, Association of Upper Gastrointestinal Surgeons, British Association of Surgical Oncology, British Gynaecological Cancer Society, European Society of Coloproctology, NIHR Academy, Sarcoma UK, Vascular Society for Great Britain and Ireland, and Yorkshire Cancer Research

    Actas de las V Jornadas ScienCity 2022. Fomento de la Cultura Científica, Tecnológica y de Innovación en Ciudades Inteligentes

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    ScienCity es una actividad que viene siendo continuada desde 2018 con el objetivo de dar a conocer los conocimientos y tecnologías emergentes siendo investigados en las universidades, informar de experiencias, servicios e iniciativas puestas ya en marcha por instituciones y empresas, llegar hasta decisores políticos que podrían crear sinergias, incentivar la creación de ideas y posibilidades de desarrollo conjuntas, implicar y provocar la participación ciudadana, así como gestar una red internacional multidisciplinar de investigadores que garantice la continuación de futuras ediciones. En 2022 se recibieron un total de 48 trabajos repartidos en 25 ponencias y 24 pósteres pertenecientes a 98 autores de 14 instituciones distintas de España, Portugal, Polonia y Países Bajos.Fundación Española para la Ciencia y la Tecnología-Ministerio de Ciencia, Innovación y Universidades; Consejería de la Presidencia, Administración Pública e Interior de la Junta de Andalucía; Estrategia de Política de Investigación y Transferencia de la Universidad de Huelva; Cátedra de Innovación Social de Aguas de Huelva; Cátedra de la Provincia; Grupo de investigación TEP-192 de Control y Robótica; Centro de Investigación en Tecnología, Energía y Sostenibilidad (CITES
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