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51.
Abstract— In our discussion of the articles in this Special Section, we ask how well the various methods employed in these investigations can be made to converge on a common issue. We review how current evidence from positron emission tomography, studies of event-related potentials, cognitive methods, lesion studies, and network models relates to the mental processing of an ambiguous word. While many puzzles remain, we are impressed by the promising possibility of bringing these different methods together to deal with an issue central to cognition. 相似文献
52.
Michael J. Spivey-Knowlton Bruce Bridgeman 《Attention, perception & psychophysics》1993,53(5):467-474
The Poggendorffillusion has often been explainedas purely an interactionbetween the parallels and the transversals. The present study demonstrates that additional spatial context exerts an influence on this illusion. In Experiment 1, we examined the effects of a surrounding tilted frame (complete and degraded versions) on collinearity adjustments iatheuprightandrotatedPoggendorfffigures. The frame’s orientation was always oblique. Relative to the no-frame condition, frames decreased error in collinearity adjustments in the upright-Poggendorff figure, and increased error in the rotated Poggendorfffigure. In Experiment 2, a circumscribing circle did not cause an orientation-inhibition effect (Ebenholtz & Utrie, 1982, 1983), suggestingthat the effect ofthe frame on the Poggendorif illusion may not be closely related to the rod-and-frame effect. In Experiment 3, orientation of a central texture modulated the magnitude ofthe illusion. The results do not serve to explain the mechanisms behind the Poggendorffillusion, but they do demonstrate the importance of visual reference frames in understanding perceived misalignment. 相似文献
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Dolores A. Perez Harmon M. Hosch Bruce Ponder Gloria Chanez Trejo 《Journal of applied social psychology》1993,23(15):1249-1262
To assess the influence of ethnicity on jury decisions, 480 subjects viewed a videotaped trial of an Anglo or Hispanic defendant. Anglo or Hispanic majority 6-person juries deliberated until a unanimous verdict was reached. The juries that convicted the defendant were asked to determine sentence length and to provide a probation/ parole recommendation. Anglo majority juries convicted the defendant significantly more (M= 79%) than did the Hispanic majority juries (M= 52%), x2= 5.45, p < 0.02. No main effect of defendant ethnicity was obtained, but there was an interaction between the defendant and the jury's ethnicity, x2= 5.41, p < 0.02. Anglo majority juries were more lenient with the Anglo defendant, but the Hispanic majority juries did not differ in their conviction rates. No significant effects were obtained for sentence length. Differences in probation/parole recommendations were a function of jury ethnicity, F(l, 15) = 4.74, p < 0.05. Anglos were more likely to recommend that the defendant serve the full term of the sentence. These results are interpreted in terms of stereotyping and are discussed regarding their implications for a defendant's constitutional right to a fair trial. 相似文献
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Victor W. Henderson Wendy Mack David M. Freed Daniel Kempler Elaine S. Andersen 《Brain and language》1990,39(4):530-538
Although lexical semantic deficits are postulated to play a prominent role in the anomia of Alzheimer's disease, it is unclear whether the primary disturbance is one of lexical access or one of lexical semantic loss. Response consistency on a naming task is one means of evaluating the underlying source of naming impairment. Access dysfunction usually implies variable word-finding difficulty, while a theory of lexical loss predicts that many word names would be consistently unavailable. Nineteen Alzheimer's disease patients were administered a visual confrontation naming task (the Boston Naming Test) on two occasions 6 months apart. Eighty percent of errors occurred consistently at both times; only 20% of errors occurred on only one occasion. Response consistency occurred significantly more often than expected under the assumption of no response consistency. Findings support the hypothesis that anomia in Alzheimer's disease is in part due to a loss of lexical semantic information. 相似文献
58.
Associations of children's daily stressful events and their parents' daily hassles and psychological symptoms with children's emotional/behavioral problems were examined in a sample of fourth- and fifth-grade children and their parents. Correlational analyses indicated that children's self-reports of depressive symptoms were associated with children's daily stressors and mothers' daily hassles, and children's self-reports of anxiety symptoms were associated with children's daily stressors and both mothers' and fathers' daily hassles. Mothers' and fathers' reports of their children's internalizing emotional/behavioral problems were correlated with mothers' and fathers' daily stressors and symptoms. Hierarchical multiple-regression analyses revealed that (a) children's self-reports of depressive symptoms were associated with children's daily stressors, (b) children's self-reports of anxiety symptoms were associated with their parents' daily hassles, (c) mothers' reports of their children's internalizing emotional/behavioral problems were marginally associated with parents' symptoms, and (d) fathers' reports of their children's internalizing emotional/behavioral problems were associated with parents' symptoms and children's self-reports of daily stressors. 相似文献
59.
Compared stress, coping, and psychological adjustment in single (divorced or separated) and married mothers and their young adolescent children. Single mothers reported more daily hassles related to economic, family, and personal health problems, and more symptoms of depression, anxiety, and psychoticism. Single mothers also reported using more coping strategies related to accepting responsibility and positive reappraisal. After controlling for level of family income, differences in family hassles and coping strategies remained significant. The two groups did not differ on subtypes of symptoms after controlling for income, but single mothers still reported more total psychological symptoms. No differences were found between children in these two family constellations on maternal reports of emotional/behavioral problems or on children's self-reported emotional/behavioral problems, stressful events, or coping. Implications of these findings for adjustment to life in single-parent families are discussed. 相似文献
60.
A Pollatsek K Rayner J M Henderson 《Journal of experimental psychology. Human perception and performance》1990,16(1):199-210
Identification of a fixated object in a visual display is facilitated by integrating information from a preview of that object in the periphery with information extracted on the subsequent foveal fixation (Pollatsek, Rayner, & Collins, 1984). These experiments investigated the extent to which this integration is dependent on the spatial location of the information remaining constant. Two preview objects were presented in the periphery; Ss fixated that region and named a single target object that appeared in the same spatial location in which one of the two preview objects had been presented. Of primary interest was the facilitative effect when a preview object was identical to the target object as a function of whether they were in the same spatial location. The major finding was that although there was a small effect of switching, there was still a substantial preview benefit even when the location of the identical object switched. In addition, the switching effect did not interact with the level of identity between the preview and target. There was also a preview benefit in conditions in which there were no eye movements and the preview and target objects were at least 5 degrees apart. Thus, the data indicate that the process object identification is relatively insensitive to location information and that object information and location information are coded fairly independently. 相似文献