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161.
Kipling D. Williams Frank J. Bernieri Sonja L. Faulkner New Gada-Jain Jon E. Grahe 《Journal of Loss and Trauma》2013,18(1):19-63
Abstract Over the course of 5 consecutive days, each author agreed to be ostracized for a day at work by the other four coauthors. All coauthors’ offices were in close proximity and were located solely on a single floor and wing of their academic building. Each morning, the name of that day's ostracized individual was drawn, and a scarlet letter “O” was placed above that individual's office door. Ostracizers were instructed to ignore the “Os” by not looking at them, speaking to them, or responding to anything they said. Open-ended individual event-contingent diaries were kept to record participants’ thoughts, feelings, and behaviors each time they were reminded of the ostracism. Despite foreknowledge and consent, attributional confusion surfaced and strong aversive reactions were reported. Findings are framed in terms of Williams's (1997) model of ostracism 相似文献
162.
163.
Cortico-subcortical contributions to executive control 总被引:12,自引:0,他引:12
The term "executive functions" refers to a range of cognitive processes, their common feature being the coordination of information processing and action control. Cortico-subcortical circuits which connect the prefrontal cortex (PFC), the basal ganglia and the cerebellum via the thalamus are believed to serve as neuroanatomical substrates of executive processing. This paper focuses on information processing related to executive functions by the PFC and related subcortical regions. Findings are mainly derived from neuropsychological investigations of brain-damaged patients but also from imaging studies in healthy subjects. There is evidence for subtle differences between these regions with respect to the cognitive mechanisms contributing to inhibition of habitual responses, task management/multitasking and set shifting, although the data base is sparse so far. 相似文献
164.
165.
Facets of dynamic positive affect: differentiating joy, interest, and activation in the positive and negative affect schedule (PANAS) 总被引:1,自引:0,他引:1
Egloff B Schmukle SC Burns LR Kohlmann CW Hock M 《Journal of personality and social psychology》2003,85(3):528-540
This article proposes the differentiation of Joy, Interest, and Activation in the Positive Affect (PA) scale of the Positive and Negative Affect Schedule (PANAS; D. Watson, L. A. Clark, & A. Tellegen, 1988). Study 1 analyzed the dynamic course of PA before, during, and after an exam and established the differentiation of the three facets. Study 2 used a multistate-multitrait analysis to confirm this structure. Studies 3-5 used success-failure experiences, speaking tasks, and feedback of exam results to further examine PA facets in affect-arousing settings. All studies provide convincing evidence for the benefit of differentiating three facets of PA in the PANAS: Joy, Interest, and Activation do have distinct and sometimes even opposite courses that make their separation meaningful and rewarding. 相似文献
166.
William R. Webster R. H. Day Owen Gillies Boris Crassini 《Attention, perception & psychophysics》1992,51(1):66-78
The spatial-frequency theory of vision has been supported by adaptation studies using checkerboards in which contingent color aftereffects (CAEs) were produced at fundamental frequencies oriented at 45\dg to the edges. A replication of this study failed to produce CAEs at the orientation of either the edges or the fundamentals. Using a computer-generated display, no CAEs were produced by adaptation of a square or an oblique checkerboard. But when one type of checkerboard (4 cpd) was adapted alone, CAEs were produced on the adapted checkerboard and on sine-wave gratings aligned with the fundamental and third harmonics of the checkerboard spectrum. Adaptation of a coarser checkerboard (0.80 cpd) produced CAEs aligned with both the edges and the harmonic frequencies. With checkerboards of both frequencies, CAEs were also found on the other type of checkerboard that had not been adapted. This observation raises problems for any edge-detector theory of vision, because there was no adaptation to edges. It was concluded that spatial-frequency mechanisms are operating at both low- and high-spatial frequencies and that an edge mechanism is operative at lower frequencies. The implications of these results are assessed for other theories of spatial vision. 相似文献
167.
Adaptation to convex and concave arcs in different colored light results in curvature-specific color aftereffects when arcs are later viewed in white light. In three experiments, it was shown that these color aftereffects often are partial (restricted to limited regions of the test arcs) rather than uniform, and in addition that aftereffects induced by exposure to arcs transfer to straight-line displays of particular orientation, and vice versa. These data were interpreted as evidence that arcs are processed in the visual system in relation to the orientations of local straight line approximations instead of on a global basis. In these terms, curvature-specific color aftereffects are merely complex forms of the orientation-specific color aftereffects first described by McCollough (1965). 相似文献
168.
Ray Over Jack Broerse Boris Crassini William Lovegrove 《Attention, perception & psychophysics》1974,15(1):53-56
Orientation-specific brightness aftereffects were found when vertical and horizontal gratings of the same space-average luminance were viewed following alternate exposure to vertical and horizontal gratings that differed in space-average luminance. The vertical test grating appeared bright following exposure to a dim vertical grating, and dim after a bright vertical grating had been viewed. This aftereffect did not occur when the adaptation gratings had been seen by one eye and the test gratings by the other eye. An orientation-specific illusion in the perception of brightness was also found, with the white sectors of a vertical grating appearing brighter against a background of horizontal lines than they did against a background of vertical lines. Both distortions imply that there are detectors in the human visual system that are conjointly tuned to luminance and contour orientation. 相似文献
169.
A. Elithorn Horace B. Barlow D. E. Broadbent A. W. Still E. A. C. Thomas K. A. Provins John C. Marshall A. Cowey O. L. Zangwill Douglas Hooper Boris Semeonoff Paul Whittle D. M. Vowles M. Hammerton R. L. Gregory I. M. L. Hunter Peter H. Venables 《Quarterly journal of experimental psychology (2006)》1966,18(2):181-192
170.