395 research outputs found

    Attitudes and Beliefs of Marriage and Family Therapists Regarding Psychotropic Drugs and Therapy

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    Clinical members of AAMFT were solicited by means of a randomized multi-staged clustering technique to identify their attitudes and beliefs regarding psychotropic drugs. All participants were blind to the overall purpose of the study (n = 322) and were directed to read a clinical vignette and then identify what course of action they would take with the client. They were then asked to complete a small questionnaire regarding their attitudes and beliefs regarding psychotropic drugs. Results of the study showed that 35.7% of the clinicians identified medication and a medication referral as a viable treatment option they might pursue with a client meeting criteria for major depressive episode. Clinicians who reported having a dedicated university class (17.2%) in psychopharmacology were more likely to identify medication referral as a treatment option. However, 80% of the AAMFT clinicians we surveyed reported that they were not adequately trained about psychotropic medications in their graduate programs. Further implications regarding diagnostic practices are also discussed, as 26% of clinicians failed to explicitly diagnose the client in the case vignette with depression

    Supporting strong families and capable communities through cross-national research

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    Background Mental and behavioral ill-health are growing global problems and while there are promising evidence-based approaches aimed at reducing their impact, availability of services varies greatly, not only across nations, but also between urban, regional, and remote locations. Rural areas face accessibility and acceptability challenges related to mental health services that are similar to barriers experienced in developing countries. Initiatives to address mental health challenges in under-served rural areas can inform global mental health strategies. Methods Using a public health approach, we illustrate how innovations in rural communities build community capacity and capability in areas that are currently, and are likely to remain, under-served by specialist mental health services. We provide examples of initiatives and key principles of action from three locations in Nebraska, United States of American and New South Wales, Australia to highlight similarities of context and practice. Results While each of the initiatives was developed independently, there are striking similarities across them. Similarities in initiatives include: a) recognition that solutions developed in urban settings are not necessarily the most effective in under- served rural areas, b) engagement of community members is needed to ensure acceptance of initiatives in target communities, c) each initiative involved community members acting on their own behalf with an emphasis on prevention and early intervention, and d) research is a key aspect that informs practice and has local relevance. Commonalities of contexts and environments may have played an important role in the similarities. Conclusions Linking initiatives within and between countries can expand local, national, and global reach and impacts. If we are to meet lofty global goals related to health and wellbeing, cross-national collaborations are needed to share resources, expand expertise, and stimulate ideas necessary to develop and enhance local and global initiatives. High-income country partnerships addressing mental health in under-served areas, such as rural communities, can play a vital role in contributing to global mental health solutions

    Fault Tolerance Middleware for a Multi-Core System

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    Fault Tolerance Middleware (FTM) provides a framework to run on a dedicated core of a multi-core system and handles detection of single-event upsets (SEUs), and the responses to those SEUs, occurring in an application running on multiple cores of the processor. This software was written expressly for a multi-core system and can support different kinds of fault strategies, such as introspection, algorithm-based fault tolerance (ABFT), and triple modular redundancy (TMR). It focuses on providing fault tolerance for the application code, and represents the first step in a plan to eventually include fault tolerance in message passing and the FTM itself. In the multi-core system, the FTM resides on a single, dedicated core, separate from the cores used by the application. This is done in order to isolate the FTM from application faults and to allow it to swap out any application core for a substitute. The structure of the FTM consists of an interface to a fault tolerant strategy module, a responder module, a fault manager module, an error factory, and an error mapper that determines the severity of the error. In the present reference implementation, the only fault tolerant strategy implemented is introspection. The introspection code waits for an application node to send an error notification to it. It then uses the error factory to create an error object, and at this time, a severity level is assigned to the error. The introspection code uses its built-in knowledge base to generate a recommended response to the error. Responses might include ignoring the error, logging it, rolling back the application to a previously saved checkpoint, swapping in a new node to replace a bad one, or restarting the application. The original error and recommended response are passed to the top-level fault manager module, which invokes the response. The responder module also notifies the introspection module of the generated response. This provides additional information to the introspection module that it can use in generating its next response. For example, if the responder triggers an application rollback and errors are still occurring, the introspection module may decide to recommend an application restart

    Observing System Simulation Experiment (OSSE) for the HyspIRI Spectrometer Mission

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    The OSSE software provides an integrated end-to-end environment to simulate an Earth observing system by iteratively running a distributed modeling workflow based on the HyspIRI Mission, including atmospheric radiative transfer, surface albedo effects, detection, and retrieval for agile exploration of the mission design space. The software enables an Observing System Simulation Experiment (OSSE) and can be used for design trade space exploration of science return for proposed instruments by modeling the whole ground truth, sensing, and retrieval chain and to assess retrieval accuracy for a particular instrument and algorithm design. The OSSE in fra struc ture is extensible to future National Research Council (NRC) Decadal Survey concept missions where integrated modeling can improve the fidelity of coupled science and engineering analyses for systematic analysis and science return studies. This software has a distributed architecture that gives it a distinct advantage over other similar efforts. The workflow modeling components are typically legacy computer programs implemented in a variety of programming languages, including MATLAB, Excel, and FORTRAN. Integration of these diverse components is difficult and time-consuming. In order to hide this complexity, each modeling component is wrapped as a Web Service, and each component is able to pass analysis parameterizations, such as reflectance or radiance spectra, on to the next component downstream in the service workflow chain. In this way, the interface to each modeling component becomes uniform and the entire end-to-end workflow can be run using any existing or custom workflow processing engine. The architecture lets users extend workflows as new modeling components become available, chain together the components using any existing or custom workflow processing engine, and distribute them across any Internet-accessible Web Service endpoints. The workflow components can be hosted on any Internet-accessible machine. This has the advantages that the computations can be distributed to make best use of the available computing resources, and each workflow component can be hosted and maintained by their respective domain experts

    Targeting the LOX/hypoxia axis reverses many of the features that make pancreatic cancer deadly: inhibition of LOX abrogates metastasis and enhances drug efficacy

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    Pancreatic ductal adenocarcinoma (PDAC) is one of the leading causes of cancer‐related mortality. Despite significant advances made in the treatment of other cancers, current chemotherapies offer little survival benefit in this disease. Pancreaticoduodenectomy offers patients the possibility of a cure, but most will die of recurrent or metastatic disease. Hence, preventing metastatic disease in these patients would be of significant benefit. Using principal component analysis (PCA), we identified a LOX/hypoxia signature associated with poor patient survival in resectable patients. We found that LOX expression is upregulated in metastatic tumors from Pdx1‐Cre KrasG12D/+ Trp53R172H/+ (KPC) mice and that inhibition of LOX in these mice suppressed metastasis. Mechanistically, LOX inhibition suppressed both migration and invasion of KPC cells. LOX inhibition also synergized with gemcitabine to kill tumors and significantly prolonged tumor‐free survival in KPC mice with early‐stage tumors. This was associated with stromal alterations, including increased vasculature and decreased fibrillar collagen, and increased infiltration of macrophages and neutrophils into tumors. Therefore, LOX inhibition is able to reverse many of the features that make PDAC inherently refractory to conventional therapies and targeting LOX could improve outcome in surgically resectable disease

    Tick-, mosquito-, and rodent-borne parasite sampling designs for the National Ecological Observatory Network

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    Parasites and pathogens are increasingly recognized as significant drivers of ecological and evolutionary change in natural ecosystems. Concurrently, transmission of infectious agents among human, livestock, and wildlife populations represents a growing threat to veterinary and human health. In light of these trends and the scarcity of long-term time series data on infection rates among vectors and reservoirs, the National Ecological Observatory Network (NEON) will collect measurements and samples of a suite of tick-, mosquito-, and rodent-borne parasites through a continental-scale surveillance program. Here, we describe the sampling designs for these efforts, highlighting sampling priorities, field and analytical methods, and the data as well as archived samples to be made available to the research community. Insights generated by this sampling will advance current understanding of and ability to predict changes in infection and disease dynamics in novel, interdisciplinary, and collaborative ways

    Depresión posparto y satisfacción con la relación de pareja: impacto longitudinal en una muestra brasileña

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    O objetivo deste trabalho foi verificar a relação entre a satisfação conjugal e a depressão pós-parto e o impacto destas variáveis nos níveis de satisfação conjugal e depressão futuros, em uma amostra brasileira. Estudos revelam que o conflito conjugal é um antecedente importante no desenvolvimento da depressão e que a depressão pós-parto influencia significativamente a satisfação conjugal. Métodos: Este estudo longitudinal com 99 mulheres brasileiras utilizou análises de regressão múltipla para verificar a associação entre a satisfação conjugal e a depressão. A sintomatologia depressiva foi avaliada pelo instrumento Self-Reporting Questionnaire (SRQ-20). A satisfação conjugal foi verificada a partir de itens sobre a percepção de satisfação conjugal das participantes. Os dados foram coletados 4 meses e 2 anos após o parto. Os dados longitudinais possibilitaram a análise cronológica da interação entre as duas variáveis. Resultados e Conclusões: Os resultados indicam que o modelo teórico que estabelece a relação entre conflito conjugal e depressão é também apropriado para casais brasileiros, sugerindo a utilização potencial da terapia de casal no tratamento da depressão pós-parto no Brasil.This study examined the relationship between marital satisfaction and postpartum depression as well as the impact of postpartum depression and marital satisfaction on later relational characteristics among Brazilian couples. Studies have shown that marital satisfaction is an important antecedent to depression and that postpartum depression has an influence on marital satisfaction. Methods: A longitudinal study using multiple regression to test the association between marital satisfaction and depression was conducted among Brazilian women. Depressive symptomatology was assessed using the Self-Reporting Questionnaire 20 and marital satisfaction using an instrument developed by the researchers to test the individuals’ perception of their marital quality. Data were collected at 4 months and 2 years after childbirth. The longitudinal data allowed researchers to chronologically analyze the interaction of key variables. Results and Conclusions: Results showed that the model established between marital satisfaction and depression is appropriate for Brazilian couples as well as for postpartum women. This study highlights the potential impact of marital treatment on postpartum depression in Brazil.El objetivo de este trabajo fué verificar la relación existente entre la satisfacción con la relación de pareja y la depresión pos-parto y el impacto de esas variables en los niveles de satisfacción con la relación de pareja y depresión futuros, en una muestra brasileña. Estudios revelan que el conflicto de pareja és un antecedente importante en el desarollo de depresión y que la depresión pos-parto provoca influencia significativa en la relación de pareja. Métodos: Este estudio longitudinal con 99 mujeres brasileñas hizo uso de análisis de regresión multiple para estudiar la asociación entre la satisfacción en la relación de pareja y la depresión. Los sintomas depresivos fueron evaluados por el instrumento Self-Reporting Questionnaire (SRQ-20). La satisfacción con la relación de pareja fué verificada utilizando datos sobre la percepción de satisfacción de las participantes. Los datos fueron obtenidos 4 meses y 2 años después del parto. Resultados y Conclusiones: Los resultados indican que el modelo teórico que establece la relación entre conflicto de pareja y depresión és tambien apropriado para parejas brasileña s y sugiere la posibilidad de utilización de la terapia de pareja en el tratamiento de la depresión pos-parto en Brasil

    The Evolution of Bat Vestibular Systems in the Face of Potential Antagonistic Selection Pressures for Flight and Echolocation

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    PMCID: PMC3634842This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited
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