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Starting in adolescence and continuing through adulthood, women are twice as likely as men to experience depression. According to the response styles theory (RST), gender differences in depression result, in part, from women's tendency to ruminate more than men. A meta-analysis was performed to evaluate gender differences in rumination in adults (k = 59; N(More)
Ex press ions a re d eriv e d for th e volum e of a n a pproxim a te s p he re in te rm s of mea s ure d breadth , the di s ta nce be tw een pa ra ll e l pla nes ta nge nt to opposit e s id es. Th e diffe rence in volum e of a ball a nd a tru e s ph e re of th e sam e ave rage breadth is s how n to be of seco nd ord e r , a nd mu c h s ma ll e r th a n th e(More)
This study investigates the feasibility and effectiveness of providing telepsychiatry services to Chinese immigrants in a nursing home. The psychiatrist interviewed patients face-to-face for the initial consultation, and encouraged them to participate in this study to receive telepsychiatry-based follow-up visits. The feasibility and outcomes of(More)
The association between stressful life events and depression has been consistently supported in the literature; however, studies of the developmental trajectories of these constructs and the nature of their association over time are limited. We examined trajectories of depressive symptoms and negative dependent life events and the associations between these(More)
This study examined the extent to which rumination and depression share genetic and environmental influences in a community sample of adult twins (N=663). Twins completed multiple rumination questionnaires, a depressive symptoms questionnaire and a diagnostic interview. Rumination was moderately heritable (h2=.37-.41 for the latent variable) and(More)
Online debating tools enable collaboration in analysing and addressing a wide range of problems. In contexts such as e-participation in legislation, scientific inquiry or open source intelligence analysis, structured and well-formulated arguments are essential for the collabo-rative formation of justified viewpoints. This type of debate requires analysis of(More)
Scheduling of refineries is a hard hybrid problem. Application of the Constrained Envelope Scheduling (CES) approach required development of the Gradient Constraint Equation Subdivision (GCES) algorithm, a novel global feasibility solver for the large system of quadratic constraints that arise as sub-problems. We describe the implemented solver and its(More)
Dysfunctional attitudes may be one phenotype by which genes increase risk for depression. Building on research demonstrating associations between serotonin abnormalities and dysfunctional attitudes, we examined the covariation between dysfunctional attitudes and the serotonin transporter gene-linked polymorphic region (5-HTTLPR). In a sample of nondepressed(More)
This multiwave longitudinal study tested two quantitative genetic developmental models to examine genetic and environmental influences on exposure to negative dependent and independent life events. Participants (N = 457 twin pairs) completed measures of life events annually from ages 9 to 16. The same genetic factors influenced exposure to dependent events(More)
To examine the efficacy and overall tolerability of the simultaneous initiation of treatment (coinitiation) with triiodothyronine (T3) and a selective serotonin reuptake inhibitor (SSRI) for major depressive disorder (MDD). Sources of date were Medline/Pubmed, EMBASE, the Cochrane database, and program syllabi from major psychiatric meetings held since(More)