PubMed · 11109373
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L Tveter. 2000-10-30. [Cesarean section?].. https://pubmed.ncbi.nlm.nih.gov/11109373/
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Traumatic life events, as defined by DSM-IV, are common among persons with severe mental illnesses (SMI) such as schizophrenia. Limited evidence suggests concomitantly high rates of posttraumatic stress disorder (PTSD) in this population. However, conceptual models do not exist for understanding the interactions between trauma, PTSD, and SMI. We propose a model, which is an extension of the stress-vulnerability model, in which PTSD is hypothesized to mediate the negative effects of trauma on the course of SMI. Our model posits that PTSD influences psychiatric disorders both directly, through the effects of specific PTSD symptoms including avoidance, overarousal, and re-experiencing the trauma, and indirectly, through the effects of common correlates of PTSD such as retraumatization, substance abuse, and difficulties with interpersonal relationships. We discuss the evidence supporting this model, and consider several intervening variables that are hypothesized to moderate the proposed relationships between PTSD and SMI, including social support, coping and competence, and antisocial personality disorder. Theoretical and clinical implications of the model are considered, as well as several methodological and nosological issues. We conclude with a brief discussion of directions for future research aimed at evaluating components of the model.
This paper discusses a qualitative, grounded theory study of partners' perspectives on gynaecological cancer that compared their experience of illness with that of the cancer patient. The study investigated, through unstructured interviews, gender differences in attitude to, and communication about, serious illness, with particular reference to coping and risk management. The results illuminate issues surrounding the sharing of a cancer diagnosis, offering an insight into the care processes that enhance or impede partner involvement. The paper discusses issues beyond immediate treatment, and explores the recovery process as both patient and partner experience it. The implications of the findings and the development of clinical practice are subsequently highlighted.
In this experiment, we evaluated over a longer time period the previously demonstrated effects of a short prism adaptation on hemispatial neglect. We followed two patients (PE and SA), during a period of 5 days (1 day before and 4 days after the prism adaptation procedure), repeatedly measuring their performances on a straight-ahead pointing task and a line bisection task. We also assessed the comparative temporal evolution of the rightward biased egocentric reference frame (as measured by the straight-ahead demonstration) and a classical neuropsychological symptom of neglect, namely the rightward bias observed on line bisection. Firstly, the results showed that prismatic effect could be maintained for 4 days, on the two tasks (separately straight-ahead for PE, line bisection for SA). This long-term effect implies a very profound action of prism adaptation based on active processes and opens large possibilities for clinical applications. Secondly, no correlation was found between the evolution of the performances on the two tasks, neither for patient PE, nor for patient SA (within-subject double-dissociation). Moreover, a double-dissociation between subjects was demonstrated on long-term effects. A new conception has thus to be found to explain the various symptoms manifested in neglect and more investigations have to be performed in order to establish to what extent they can be considered independent. It can be concluded that elucidating the mechanism through which prism adaptation affects neglect could lead to a better understanding of the neglect syndrome.