نتایج جستجو برای: natural depression
تعداد نتایج: 616683 فیلتر نتایج به سال:
A review of published observational studies of neighbourhoods and depression/depressive symptoms was conducted to inform future directions for the field. Forty-five English-language cross-sectional and longitudinal studies that analysed the effect of at least one neighbourhood-level variable on either depression or depressive symptoms were analysed. Of the 45 studies, 37 reported associations o...
This study uses longitudinal data to examine the potential moderating effects of social support and age among older adults exposed to an acute stressor. Using a sample of 651 older persons, data were gathered in the spring of 1992 and in the fall of 1993, approximately 60 days after the peak impact of flooding in the Midwest. Results indicate a positive association between preand post-flood dep...
Inbreeding depression (reduced fitness of individuals with related parents) has long been a major focus of ecology, evolution, and conservation biology. Despite decades of research, we still have a limited understanding of the strength, underlying genetic mechanisms, and demographic consequences of inbreeding depression in the wild. Studying inbreeding depression in natural populations has been...
OBJECTIVE To compare depression and PTSD symptoms of parentally bereaved adolescents and a comparison group after a catastrophic natural disaster. METHOD Six and a half years after the Spitak earthquake, 48 parentally bereaved adolescents and a comparison group of 44 subjects with no parental loss were evaluated using the Depression Self - Rating Scale (DSRS) and Child Posttraumatic Stress Di...
PURPOSE Despite its clinical importance, adolescent subthreshold depression remains a largely neglected topic. The aims of this study were to accurately identify the natural course of depressive symptoms and the risk for developing major depressive episode (MDE) in late adolescents with subthreshold depression over 1 year. PATIENTS AND METHODS One hundred and seventy-two participants <20 year...
Natural mentors may play an important role in the lives of adolescents. We interviewed 770 adolescents from a large Midwestern city. Fifty-two percent reported having a natural mentor. Those with natural mentors were less likely to smoke marijuana or be involved in nonviolent delinquency, and had more positive attitudes toward school. Natural mentors had no apparent effect on anxiety or depress...
Quantifying the importance of random genetic drift in natural populations is central to understanding the potential limits to natural selection. One approach is to estimate the magnitude of heterosis, the increased fitness of progeny derived from crosses between populations relative to crosses within populations caused by the heterozygous masking of deleterious recessive or nearly recessive all...
Depression is becoming a social problem as the number of sufferers steadily increases. In this regard, paper proposes multimodal analysis-based attention depression detection model that simultaneously uses voice and text data obtained from users. The proposed models consist Bidirectional Encoders Transformers-Convolutional Neural Network (BERT-CNN) for natural language analysis, CNN-Bidirection...
In order to evaluate the potential for oil and gas resources in deep fault depression of Northern Songliao Basin, shale from fourth member Yingcheng Formation (K1yc4) South Shuangcheng Fault Depression was selected as an example. The organic geochemical characteristics such abundance, type maturity experiments on low-maturity source rock samples, hydrocarbon generation conversion rate, amount p...
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