1,285 research outputs found
A Cost Maturity Model for Community Informatics Projects in the Developing World
A Cost Maturity Model for Community Informatics Projects in the Developing Worl
Predictors of distress and anxiety during pregnancy
Objective: There is a high incidence of distressing psychological symptoms including anxiety in pregnancy. Nevertheless, predictors of distress and anxiety during pregnancy have not been well characterized. We determined whether temperament and character, trait anxiety, resilience, and social support predicted distress and anxiety symptoms in pregnancy.Method: Pregnant women (n=105) with low risk singleton pregnancies were recruited from Midwife Obstetric Units. Assessments of distress (usingthe K-10) and anxiety (using the Spielberger State Inventory) were undertaken in trimester 2 and 3. Measures of temperament and character, trait anxiety, resilience and social support were undertaken at the same time points. Regression analyses were used to determine predictors of distress and anxiety at each trimester.Results: Predictors of distress and anxiety were lower selfdirectedness,higher harm avoidance, higher trait anxiety, lower resilience, and lower social support, at each time point.Conclusion: Understanding predictors of distress and anxiety in pregnancy may be useful in developing interventions for addressing such symptoms, as well as perhaps in preventing potential sequelae such as anxiety and mood disorders.Keywords: Distress; Anxiety; Self-directedness; Harm avoidance; Resilience; Social suppor
Childhood trauma in adults with social anxiety disorder and panic disorder: a cross-national study
Objectives: The influence of childhood trauma as a specific environmental factor on the development of adult psychopathology is far from being elucidated. As part of a collaborative project between research groups from South Africa (SA) and Sweden focusing on genetic and environmental factors contributing to anxiety disorders, this study specifically investigated rates of childhood trauma in South African and Swedish patients respectively, and whether, in the sample as a whole, different traumatic experiences in childhood are predictive of social anxiety (SAD) or panic disorder (PD) in adulthood. Method: Participants with SAD or PD (85 from SA, 135 from Sweden) completed the Childhood Trauma Questionnaire (CTQ). Logistic regression was performed with data from the two countries separately, and from the sample as a whole, with primary diagnoses as dependent variables, gender, age, and country as covariates, and the CTQ subscale totals as independent variables. The study also investigated the internal consistency (Cronbach alpha) of the CTQ subscales. Results: SA patients showed higher levels of childhood trauma than Swedish patients. When data from both countries were combined, SAD patients reported higher rates of childhood emotional abuse compared to those with PD. Moreover, emotional abuse in childhood was found to play a predictive role in SAD/PD in adulthood in the Swedish and the combined samples, and the same trend was found in the SA sample. The psychometric qualities of the CTQ subscales were adequate, with the exception of the physical neglect subscale. Conclusion: Our findings suggest that anxiety disorder patients may differ across countries in terms of childhood trauma. Certain forms of childhood abuse may contribute specific vulnerability to different types of psychopathology. Longitudinal studies should focus on the potential sequential development of SAD/PD among individuals with childhood emotional abuse.Keywords: Childhood trauma; Social anxiety disorder; Panic disorder; Cross-nationa
Childhood trauma in adults with social anxiety disorder and panic disorder: a cross-national study
Objectives: The influence of childhood trauma as a specific environmental factor on the development of adult psychopathology is far from being elucidated. As part of a collaborative project between research groups from South Africa (SA) and Sweden focusing on genetic and environmental factors contributing to anxiety disorders, this study specifically investigated rates of childhood trauma in South African and Swedish patients respectively, and whether, in the sample as a whole, different traumatic experiences in childhood are predictive of social anxiety (SAD) or panic disorder (PD) in adulthood. Method: Participants with SAD or PD (85 from SA, 135 from Sweden) completed the Childhood Trauma Questionnaire (CTQ). Logistic regression was performed with data from the two countries separately, and from the sample as a whole, with primary diagnoses as dependent variables, gender, age, and country as covariates, and the CTQ subscale totals as independent variables. The study also investigated the internal consistency (Cronbach alpha) of the CTQ subscales. Results: SA patients showed higher levels of childhood trauma than Swedish patients. When data from both countries were combined, SAD patients reported higher rates of childhood emotional abuse compared to those with PD. Moreover, emotional abuse in childhood was found to play a predictive role in SAD/PD in adulthood in the Swedish and the combined samples, and the same trend was found in the SA sample. The psychometric qualities of the CTQ subscales were adequate, with the exception of the physical neglect subscale. Conclusion: Our findings suggest that anxiety disorder patients may differ across countries in terms of childhood trauma. Certain forms of childhood abuse may contribute specific vulnerability to different types of psychopathology. Longitudinal studies should focus on the potential sequential development of SAD/PD among individuals with childhood emotional abuse
Motivating Reluctant Learners with a Big Bang
We present results of a collaboration between a media specialist, a science teacher, and an astronomer to bring a modern astronomy topic to at-risk, emotionally disabled students who have experienced little success. These normally unengaged students became highly motivated because they were given an authentic task of presenting research on an intriguing science topic, and because they witnessed a collaboration brought together on their behalf This experience demonstrates that sophisticated astronomy topics can be used to motivate at-risk students
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A flexible organic reflectance oximeter array.
Transmission-mode pulse oximetry, the optical method for determining oxygen saturation in blood, is limited to only tissues that can be transilluminated, such as the earlobes and the fingers. The existing sensor configuration provides only single-point measurements, lacking 2D oxygenation mapping capability. Here, we demonstrate a flexible and printed sensor array composed of organic light-emitting diodes and organic photodiodes, which senses reflected light from tissue to determine the oxygen saturation. We use the reflectance oximeter array beyond the conventional sensing locations. The sensor is implemented to measure oxygen saturation on the forehead with 1.1% mean error and to create 2D oxygenation maps of adult forearms under pressure-cuff-induced ischemia. In addition, we present mathematical models to determine oxygenation in the presence and absence of a pulsatile arterial blood signal. The mechanical flexibility, 2D oxygenation mapping capability, and the ability to place the sensor in various locations make the reflectance oximeter array promising for medical sensing applications such as monitoring of real-time chronic medical conditions as well as postsurgery recovery management of tissues, organs, and wounds
Local Fuel Starvation Degradation of an Automotive PEMFC Full Size Stack
Special Issue: 23rd EFCF “Low‐Temperature Fuel Cells, Electrolyzers, H2‐Processing Forum” (EFCF2019
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