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221.
An object that moves is spotted almost effortlessly; it "pops out". When the observer is stationary, a moving object is uniquely identified by retinal motion. This is not so when the observer is also moving; as the eye travels through space all scene objects change position relative to the eye producing a complicated field of retinal motion. Without the unique identifier of retinal motion an object moving relative to the scene should be difficult to locate. Using a search task, we investigated this proposition. Computer-rendered objects were moved and transformed in a manner consistent with movement of the observer. Despite the complex pattern of retinal motion, objects moving relative to the scene were found to pop out. We suggest the brain uses its sensitivity to optic flow to "stabilise" the scene, allowing the scene-relative movement of an object to be identified. 相似文献
222.
Ulrich Schmidt 《Journal of mathematical psychology》2007,51(5):279-289
The security level models of Gilboa [1988. A combination of expected utility and maxmin decision criteria. Journal of Mathematical Psychology, 32, 405-420] and of Jaffray [1988. Choice under risk and the security factor: An axiomatic model. Theory and Decision, 24, 169-200] as well as the security and potential level model of Cohen [1992. Security level, potential level, expected utility: A three-criteria decision model under risk. Theory and Decision, 33, 101-104] and Essid [1997. Choice under risk with certainty and potential effects: A general axiomatic model. Mathematical Social Sciences, 34, 223-247] successfully accommodate classical Allais paradoxes while they offer an interesting explanation for their occurrence. However, experimental data suggest a systematic violation of these models when lotteries with low probabilities of bad or good outcomes are involved. In our opinion, one promising candidate for the explanation of these violations is the assumption of thresholds in the perception of security and potential levels. The present paper develops an axiomatic model that allows for such thresholds, so that the derived representation of preferences can accommodate the observed violations of the original security and potential level models. 相似文献
223.
224.
One of the most compelling questions still unanswered in neuroscience is how consciousness arises. In this article, we examine visual processing, the parietal lobe, and contralateral neglect syndrome as a window into consciousness and how the brain functions as the mind and we introduce a mechanism for the processing of visual information and its role in consciousness. We propose that consciousness arises from integration of information from throughout the body and brain by the thalamus and that the thalamus reimages visual and other sensory information from throughout the cortex in a default three-dimensional space in the mind. We further suggest that the thalamus generates a dynamic default three-dimensional space by integrating processed information from corticothalamic feedback loops, creating an infrastructure that may form the basis of our consciousness. Further experimental evidence is needed to examine and support this hypothesis, the role of the thalamus, and to further elucidate the mechanism of consciousness. 相似文献
225.
David H. Rosmarin Elizabeth S. Bocanegra Gabriel Hoffnung Moses Appel 《Cognitive and behavioral practice》2019,26(4):676-687
Several clinical papers have provided clinical recommendations for how to provide cognitive behavioral therapy (CBT) for obsessive-compulsive symptoms among Orthodox Jewish individuals. However, no published studies have described culturally adapted CBT for anxiety or depression in this population or quantified the effectiveness of such approaches. We evaluated the effectiveness of CBT for symptoms of generalized anxiety and depression in a sample of Orthodox Jews (n = 65) and a comparison sample (n = 42) presenting to the Center for Anxiety, a private outpatient clinic with three offices in the New York area (www.centerforanxiety.org). A chart review revealed that all patients received CBT-based interventions with appropriate religious-cultural adaptations of treatment, which we present in two case studies. We observed statistically and clinically significant treatment gains from pretreatment to midtreatment (anxiety: t = 8.56, p < .001; depression: t = 8.01, p < .001), and again from midtreatment through termination (anxiety: t = 3.68, p < .001; depression: t = 3.62, p < .001). No significant differences in anxiety or depression were observed between Orthodox Jewish patients and controls at any time point or for treatment effects (anxiety: Wilks’ Lambda = .950, F = 2.65, p = .076, ηp2 = .050; depression: Wilks’ Lambda = .99, F = 2.00,p = .49, ηp2 = .014). This paper offers clinical insight into delivery of CBT to Orthodox Jewish patients, as well as preliminary support for the effectiveness of CBT in treating symptoms of generalized anxiety and depression within this population. 相似文献
226.
Jessica Taylor Piotrowski Jordan A. Litman Patti Valkenburg 《Infant and child development》2014,23(5):542-553
Epistemic curiosity (EC) is the desire to obtain new knowledge capable of either producing positive experiences of intellectual interest (I‐type) or of reducing undesirable conditions of informational deprivation (D‐type). Although researchers acknowledge that there are individual differences in young children's epistemic curiosity, there are no existing measures to assess the I‐ and D‐type constructs of EC in early childhood. The aim of this study was to develop and validate parent‐report scales that reliably assessed early expressions of I‐ and D‐ type EC in young children. To develop the I/D‐Young Children (I/D‐YC) scales, 16 potential items were administered to 316 parents of children aged 3 to 8. These items were adaptations of an existing adult self‐report measure of EC as well as newly developed items. Confirmatory factor analyses demonstrated that a 10‐item 2‐factor (5 I‐type, 5 D‐type) model had the best fit. Construct validity analyses and psychometric data indicated that our newly developed I/D‐YC scales are valid and reliable measures of individual differences in early expressions of I‐ and D‐type EC. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
227.
Richard Schaefer 《Zygon》2015,50(1):7-27
Andrew Dickson White played a pivotal role in constructing the image of a necessary, and even violent, confrontation between religion and science that persists to this day. Though scholars have long acknowledged that his position is more complex, given that White claimed to be saving religion from theology, there has been no attempt to explore what this means in light of his overwhelming attack on existing religions. This essay draws attention to how White's role as a historian was decisive in allowing him to posit a future for religion purified of dogma by science. It argues, furthermore, that this effort is better understood as religious innovation, rather than a plea for strictly secular science. In so doing it hopes to lay the foundation for a more fruitful historical treatment of White, and a range of other figures whose devotion to science has otherwise been difficult to grasp. 相似文献
228.
Appearance and Reality in The Philosophical Gourmet Report: Why the Discrepancy Matters to the Profession of Philosophy
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Brian Bruya 《Metaphilosophy》2015,46(4-5):657-690
This article is a data‐driven critique of The Philosophical Gourmet Report (PGR), the most institutionally influential publication in the field of Anglophone philosophy. The PGR is influential because it is perceived to be of high value. The article demonstrates that the actual value of the PGR, in its current form, is not nearly as high as it is assumed to be and that the PGR is, in fact, detrimental to the profession. The article lists and explains five objections to the methods and methodology of the report. Taken together, the objections demonstrate that the report is severely flawed, failing to provide the information it purports to and damaging the profession overall. Finally, the article explains how several modifications may improve the PGR so that it can more legitimately and equitably play the role it already plays. 相似文献
229.
HILARY J. BEATTIE 《The Psychoanalytic quarterly》2016,85(4):889-928
W. R. D. Fairbairn believed that the psychoanalyst's motivations and theories must ultimately be rooted in a need to resolve personal conflicts. His self‐analytic and other records, now publicly available, indicate how his struggles with unacceptable sexual feelings and their symptomatic manifestations affected not only his theorizing, especially about sexuality, but also his clinical practice, as well as his personal and family life. Fairbairn's case affords a unique opportunity to document the effects of homophobia in a major psychoanalyst. 相似文献
230.
Facilitating safe pedestrian road crossings is a major prerequisite for safe urban environments. In multiple cities around the world, 3D crosswalks have been painted, which provoke an optical illusion, of e.g., a crosswalk floating above the road, in car drivers who approach the crosswalk. However, to date, no detailed study of road users’ safety related perceptions on 3D crosswalks has been conducted. Hence, we investigated car drivers’ and pedestrians’ perceptions of a 3D crosswalk, and how they rate its safety in comparison to traditional (non-3D illusion) crosswalks. In an on-site questionnaire survey, we interviewed 201 pedestrians and 102 car drivers in the direct vicinity of a newly painted 3D crosswalk located in Yangon, Myanmar. Our results show that only 53.9 % of the car drivers report to have consciously perceived the 3D effect of the crosswalk. Nonetheless, both, pedestrians and car drivers rate the 3D crosswalk as safer for road crossing than a traditional crosswalk. A high share of pedestrians (43.3 %) report taking a detour to use the 3D crosswalk for road crossing. Approximately one third (31.3 %) of pedestrians and 48.0 % of car drivers interviewed have talked to their friends about the 3D crosswalk, indicating a high potential for using 3D crosswalks as a marketing tool for road safety actors to generate attention for pedestrian safety. Unrelated to our main research question, we found that pedestrians prefer to cross in groups, as it increases the perceived likelihood of cars yielding to them. Overall, the data points to significant increases in the perceived safety of drivers as well pedestrians around the 3D crosswalk. Future studies need to investigate how these perceptions translate to actual safety related behavior. 相似文献