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Terrance Klein 《Heythrop Journal》2009,50(2):357-358
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Raymond M. Klein Tracy L. Taylor Alan Kingstone 《Attention, perception & psychophysics》1995,57(4):573-577
Saccadic reaction time (RT) is reduced when the fixation point is removed shortly before target onset. Although Tam and Stelmach (1993) argued that thisgap effect could not be explained solely by the idea that fixation offset disengaged visual attention and preferred an explanation based on disengagement of the oculomotor system, they felt that they could not rule out a hybrid model in which both oculomotorand attentional disengagement contribute to the gap effect. Our analysis of the dual response experiment (Experiment 4), upon which this hybrid model was based, shows that manual and saccadic responses were likely compromised by a grouping or delay strategy and that subjects may not have been attending as instructed. On these grounds, we argue that Tam and Stelmach (1993), like Kingstone and Klein (1990; 1993a) provide no evidence that attentional disengagement contributes to the gap effect. An alternative proposal (Klein & Kingstone, 1993), that motor preparation and oculomotor disengagement combine additively to produce the gap effect, is consistent with the data from Tam and Stelmach’s Experiments 1–3, is similar to the explanation that they prefer, and has been strongly supported when directly tested (Kingstone, Klein, & Taylor, 1994). 相似文献
556.
In Experiment 1, three pigeons were trained to obtain grain by depressing one foot treadle in the presence of a 746-Hertz tone stimulus and by depressing a second foot treadle in the presence of a red light stimulus. Intertrial stimuli included white light and the absence of tone. The latencies to respond on auditory element trials were as fast, or faster, than on visual element trials, but pigeons always responded on the visual treadle when presented with a compound stimulus composed of the auditory and visual elements. In Experiment 2, pigeons were trained on the auditory-visual discrimination task using as trial stimuli increases in the intensity of auditory or visual intertrial stimuli. Again, pigeons showed visual dominance on subsequent compound stimulus test trials. In Experiment 3, on compound test trials, the onset of the visual stimulus was delayed relative to the onset of the auditory stimulus. Visual treadle responses generally occurred with delay intervals of less than 500 milliseconds, and auditory treadle responses generally occurred with delay intervals of greater than 500 milliseconds. The results are discussed in terms of Posner, Nissen, and Klein's (1976) theory of visual dominance in humans. 相似文献
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Eric A. Storch Carrie Masia‐Warner Heather Crisp Rachel G. Klein 《Aggressive behavior》2005,31(5):437-452
This study reports a one‐year prospective investigation of the relations between overt and relational victimization and social anxiety and phobia in a sample of adolescents. The Social Experience Questionnaire—Self Report Form (SEQ‐S), Social Anxiety Scale for Adolescents (SAS‐A), and Social Phobia and Anxiety Inventory for Children (SPAI‐C) were administered to 144 ninth grade adolescents. A follow‐up assessment with the SEQ‐S, SAS‐A, and SPAI‐C was conducted one year later. Results indicated that relational victimization predicted symptoms of social phobia but not general social anxiety and avoidance one year later. Overt victimization was not a significant predictor of social anxiety and phobia one year later. Social anxiety and phobia did not predict peer victimization one year later. However, increases in social anxiety and social phobia symptoms (for boys) over time were positively associated with increases in relational victimization over time. Implications of these findings for peer victimization and social anxiety in the development of social phobia and negative peer experiences are discussed. Aggr. Behav. 00:1–16, 2005. © 2005 Wiley‐Liss, Inc. 相似文献
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Peter J. Urcuioli Raymond M. Klein James Day 《Attention, perception & psychophysics》1981,29(4):343-351
Two closely related semantic processing tasks were studied under identical procedural conditions in order to examine lateral visual field effects on reaction times. In Experiment 1, reaction times did not differ as a function of visual field when subjects decided whether a lateral word was a member of a foveally presented category word (category membership task). On the other hand, reaction times were faster for right than for left visual field stimulus presentations when subjects decided whether two words, one lateral and one foveal, belonged to the same category (category matching task), although this advantage did not occur immediately. In Experiment 2, the laterality effect in the category matching task was studied as a function of word familiarity. Two groups of subjects performed the matching task for two blocks of trials, one group receiving the same word list in each block and the other receiving different lists. No visual field differences in reaction times were observed for either group during the first block of trials, but a distinct right field advantage appeared for both during the second block. The data from these experiments suggest that category matching strategies rely upon structures or processes localized in the left hemisphere, although their influence is not immediate. Category membership strategies, on the other hand, do not depend upon such localized structures. 相似文献
559.
When collective memories of victimhood fade: Generational evolution of intergroup attitudes and political aspirations in Belgium 下载免费PDF全文
Bernard Rimé Pierre Bouchat Olivier Klein Laurent Licata 《European journal of social psychology》2015,45(4):515-532
Collective memory theories propose that groups' remembrances of their past depend upon their current social situation. In Belgium, a significant proportion of Dutch speakers share a collective memory of past victimisation by French speakers and fight for an ever‐larger autonomy of their region. Yet, as the respective economic, political and social situations of the linguistic regions of Belgium recently evolved with a reversal of fortunes, the current experience of younger Dutch speakers does not fit the traditional memory anymore. We thus predicted that the collective memories of victimhood would decline amongst them, thus bringing changes in intergroup attitudes and political aspirations. Three generations were compared in a survey of 1226 French‐speaking and 1457 Dutch‐speaking individuals. For both groups, younger generations evidenced less regionalist and more integrative positions than older ones. However, these effects were stronger for Dutch‐speaking respondents, and for them, collective memory of victimhood mediated the relation linking age and identification with Belgium, intergroup attitudes and political aspirations. We concluded that the current social context has decisive consequences for collective remembrances, which, in turn, impact intergroup relations and political attitudes and choices. 相似文献
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