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51.
This study examined whether ruminative style moderated the effects of expressive writing. Sixty-nine participants were assessed for ruminative style and depression symptoms at the beginning of their 1st college semester. Participants were then randomized to either an expressive writing or a control writing condition. Changes in depression symptoms were assessed 2, 4, and 6 months later. Results showed that a brooding ruminative style moderated the effects of expressive writing such that among those assigned to the expressive writing condition, individuals with greater brooding scores reported significantly fewer depression symptoms at all of the follow-up assessments relative to individuals with lower brooding scores. In contrast, reflective pondering ruminative style did not moderate the effects of expressive writing on depression symptoms. These findings suggest that expressive writing could be used as a means of reducing depression symptoms among those with a maladaptive ruminative tendency to brood. 相似文献
52.
Decision making is a core competence for animals and humans acting and surviving in environments they only partially comprehend,
gaining rewards and punishments for their troubles. Decision-theoretic concepts permeate experiments and computational models
in ethology, psychology, and neuroscience. Here, we review a well-known, coherent Bayesian approach to decision making, showing
how it unifies issues in Markovian decision problems, signal detection psychophysics, sequential sampling, and optimal exploration
and discuss paradigmatic psychological and neural examples of each problem. We discuss computational issues concerning what
subjects know about their task and how ambitious they are in seeking optimal solutions; we address algorithmic topics concerning
model-based and model-free methods for making choices; and we highlight key aspects of the neural implementation of decision
making. 相似文献
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Nathaniel Goldberg 《Philosophia》2009,37(2):261-280
Donald Davidson used triangulation to do everything from explicate psychological and semantic externalism, to attack relativism
and skepticism, to propose conditions necessary for thought and talk. At one point Davidson tried to bring order to these
remarks by identifying three kinds of triangulation, each operative in a different situation. Here I take seriously Davidson’s
talk of triangular situations and extend it. I start by describing Davidson’s situations. Next I establish the surprising
result that considerations from one situation entail the possibility that at any one time one language is partially untranslatable
into another. Because the possibility is time-indexed, it need not conflict with Davidson’s own argument against the possibility
of untranslatability. I derive the result, not to indict Davidson, but to propose a new kind of triangulation, the reconciliation
of untranslatability, which I investigate. Insofar as triangulation is central to Davidson’s views, getting a handle on his
various triangular situations is key to getting a handle on his contributions to philosophy. Insofar as those contributions
have enriched our understanding of how language, thought, and reality interrelate, extending Davidson’s model promises to
extend our understanding too.
相似文献
Nathaniel GoldbergEmail: |
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Hong Z. Tan Nathaniel I. Durlach William M. Rabinowitz Charlotte M. Reed Jonathan R. Santos 《Attention, perception & psychophysics》1997,59(7):1004-1017
The potential for communication through the kinesthetic aspect of the tactual sense was examined in a series of experiments employing Morse code signals. Experienced and inexperienced Morse code operators were trained to identify Morse code signals that were delivered as sequences of motional stimulation through up-down displacements (roughly 10 mm) of the fingertip. Performance on this task was compared with that obtained for both vibrotactile and acoustic presentation of Morse code using a 200-Hz tone delivered either to the fingertip through a minishaker or diotically to the two ears under headphones. For all three modalities, the ability to receive Morse code was examined as a function of presentation rate for tasks including identification of single letters, random three-letter sequences, common words, and sentences. Equivalent word-rate measures (i.e., product of percent correct scores and stimulus presentation rate) were nearly twice as high for auditory presentation as for vibrotactile stimulation, which in turn was about 1.3 times that for motional stimulation. The experienced subjects outperformed the inexperienced subjects by amounts that increased with task complexity. For example, the former were able to receive sentences at 18 words/min with motional stimulation, whereas the latter, following 75 h of training, were unable to perform this task. The present results and those of other research with tactual communication systems are compared, particularly regarding estimates of information-transfer rates. 相似文献
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Nursing students (N = 124) voluntarily completed a questionnaire designed to measure attitudes towards patients with AIDS. The questionnaire included one of two vignettes, a prejudicial evaluation scale, and the Index of Homophobia. Results indicate that nursing students expressed a significantly more negative attitude toward the homosexual patients with AIDS. Homophobia accounted for a substantial amount of variation in the difference in expressed attitude between heterosexual and homosexual AIDS patients. The researchers recommend that nursing students and other prospective health care workers be provided educational programs dealing with AIDS which include study of homophobia and homosexuality. 相似文献
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