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21.
T. E. Joiner's (2004, in press) theory of suicidal behavior suggests that past suicidal behavior plays an important role in future suicidality. However, the mechanism by which this risk is transferred and the causal implications have not been well studied. The current study provides evaluation of the nature and limits of this relationship across 4 populations, with varying degrees of suicidal behavior. Across settings, age groups, and impairment levels, the association between past suicidal behavior and current suicidal symptoms held, even when controlling for strong covariates like hopelessness and symptoms of various Axis I and II syndromes. Results provide additional support for the importance of past suicidality as a substantive risk factor for later suicidal behavior.  相似文献   
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Shneidman (e.g., 1998) has theorized that psychache--general psychological and emotional pain that reaches intolerable intensity--is an important suicide-related variable, and indeed, represents a source of suicidal behavior. This conceptualization, while prominent and clinically and intuitively appealing, has received relatively little empirical scrutiny. In this study, we determined whether an index closely related to psychache, psychological quality of life, would display a special and resilient association to suicidality among 60 adult psychiatric outpatients in Brazil. All patients underwent structured clinical interviews and completed various clinical and quality-of-life measures. We found that the association between psychological quality of life and suicidality remained, even when depression, hopelessness, and other domains of quality of life were controlled. Psychache appears to deserve its place among key suicide-related variables, and deserves the attention of clinicians working with suicidal people.  相似文献   
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The aim of the present study was to test if the nigrostriatal pathway is an essential component for a water maze cued task learning and if it works independently of the hippocampal memory system. This hypothesis was tested using an animal model of Parkinson's disease in which male Wistar rats were lesioned in the substantia nigra pars compacta (SNc) by the intranigral infusion of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), thus causing a partial depletion of striatal dopamine. SNc-lesioned and sham-operated animals were implanted bilaterally with guide cannulae above the dorsal hippocampus in order to be tested after the administration of 0.4 microl 2% lidocaine or saline into this structure. The animals were tested in a spatial or in a cued version of the water maze, memory tasks previously reported to model hippocampal-dependent spatial/relational and striatal-dependent S-R learning, respectively. Hippocampal inactivation, but not SNc lesion, impaired learning and memory in the spatial version of the water maze. An opposite situation was observed with the cued version. No significant interaction was observed between the SNc lesion and hippocampal inactivation conditions affecting scores in the spatial or in the cued version of the water maze. These results suggest that the nigrostriatal pathway is an essential part of the memory system that processes S-R learning and that it works independently of the hippocampal memory system that processes spatial/relational memories.  相似文献   
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Tsuji  Marcelo 《Synthese》2000,125(1-2):283-299
In Tsuji 1997 the concept of Jeffrey-Keynes algebras was introduced in order to construct a paraconsistent theory of decision under uncertainty. In the present paper we show that these algebras can be used to develop a theory of decision under uncertainty that measures the degree of belief on the quasi (or partial) truth of the propositions. As applications of this new theory of decision, we use it to analyze Popper's paradox of ideal evidence and to indicate a possible way of formalizing Keynes' theory of economic action.  相似文献   
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Using a parallel mixed-methods design, the current study examined university students’ perceptions of academic cheating through collecting and analyzing both the quantitative and qualitative data. Our quantitative findings corroborate previous research that male students have engaged more in academic cheating than females based on students’ self-reports, and that undergraduate students are less willing to discuss issues on academic cheating as compared with their graduate counterparts. Five themes emerged from the thematic analysis of the qualitative data: (1) flexible definitions for cheating, (2) environmental promotion of cheating, (3) the moral transgression of cheating, (4) cheating as an ambiguous justification, and (5) cheating as a conscious decision making process. The mixed-methods findings indicate that there is no relationship between students’ gender or classification and their endorsements of the qualitative themes. However, non-White students are more likely to endorse the theme “cheating as an ambiguous justification.” Implications for reducing and preventing academic cheating at the university level are discussed.  相似文献   
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By means of a qualitative approach, this study sought to understand the patterns of career construction in contemporary times through content analysis of the narratives generated by a set of 40 urban workers in São Paulo (Brazil), intentionally selected. Five narrative patterns of career construction were found and related to the existing concepts (organizational career, protean and boundaryless career, professional career, transitional career, and hybrid careers), which were respectively described by their core feature (nostalgia, possibility, enclosure, instrumentality, and hybrid). The main results showed that one quarter of participants sought career stability, continuity, and linearity (Nostalgia), one quarter sought flexibility and discontinuity (Possibility), about 1/7 sought a career based on the profession/occupation (Enclosure), about one-third constructed hybrid career narratives, and there was a frequent emergence of crises (Instrumentality). The main contribution of this study was confirming the hybrid nature of contemporary career constructions produced in a constant tension between stability and flexibility, as well as between permanence and change; nevertheless, based on collective standards.  相似文献   
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The Search for Extraterrestrial Intelligence (SETI) research assumes that we live in an intelligence-friendly universe. But do we live in a spiritual-friendly universe? We include the spiritual quest in a new multidisciplinary approach to SETI. In a thought experiment, we consider two types of alien civilizations by including a Spiritual factor in the Drake Equation. Using the analogy of planetary biomarkers and the concept of noosphere introduced by Teilhard de Chardin, we propose two spiritual markers that could evidence the presence of a noosphere in an exoplanet.  相似文献   
30.
A contemporary orientation of the hospital experience model must encompass the clients’ religious-spiritual dimension. The objective of this paper is to share a previous experience, highlighting at least five reasons hospitals should invest in this direction, and an equal number of steps required to achieve it. In the first part, the text discourses about five reasons to invest in religious-spiritual support programs: 1. Religious-spiritual wellbeing is related to better health; 2. Religious-spiritual appreciation is a standard for hospital accreditation; 3. To undo religious-spiritual misunderstandings that can affect treatment; 4. Patients demand a religious-spiritual outlook from the institution; and 5. Costs may be reduced with religious-spiritual support. In the second part, the text suggests five steps to implement religious-spiritual support programs: 1. Deep institutional involvement; 2. Formal staff training; 3. Infrastructure and resources; 4. Adjustment of institutional politics; and 5. Agreement with religious-spiritual leaders. The authors hope the information compiled here can inspire hospitals to adopt actions toward optimization of the healing experience.  相似文献   
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