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371.
以往研究显示,知觉组织影响时序知觉,采用ERP技术拟探讨知觉组织影响时序知觉的认知机制。采集23名被试完成同时判断任务的脑电数据。行为结果发现,知觉组织影响时序知觉,具体表现为知觉组织条件的同时判断频率显著高于非知觉组织条件。ERPs结果发现,在P1和P2成分上,知觉组织条件与非知觉组织条件引发的波幅没有显著差异; 而在N1成分上,知觉组织条件诱发的N1波幅显著大于非知觉组织条件。这表明,知觉组织对时序知觉的影响可能发生在视觉刺激加工的早期阶段,视觉刺激的知觉组织先于时序信息加工。 相似文献
372.
本研究探讨知觉组织对时序知觉的双重影响。实验采用三条线段构成的C形为实验材料,操纵图形朝向和SOA水平(实验1和实验2)、图形颜色(实验3)以及反应限制(实验4),要求被试完成同时判断任务。结果发现,在不同的SOA条件下,图形对向条件的同时判断频率均显著高于图形反向条件(实验1),即使在知觉组织线索弱化时这种现象仍然存在(实验2和实验3),而且知觉组织对时序知觉的影响不是由于被试的反应偏向导致的(实验4)。结果说明知觉组织对时序知觉存在双重影响:当两个刺激同时出现时,知觉组织能够提高时序知觉表现; 而当两个刺激非同时出现时,知觉组织显著降低时序知觉表现。 相似文献
373.
This study tested relations between differentiation of self, adult attachment, and effortful control in a sample of 225 adults. Results indicated that adult differentiation of self uniquely predicted greater effortful control, after accounting for variance due to attachment security. Greater ability to take I positions in relationships, along with lower emotional reactivity (ER) and attachment anxiety, were unique predictors of effortful control. Significant relationships emerged between dimensions of attachment and differentiation of self, with strongest associations observed between attachment avoidance and emotional cutoff (r = –.78), and attachment anxiety and ER (r = –.60). 相似文献
374.
This study explores implicit memory within the domain of text processing. Three experiments were designed to study cross-modality priming in a word-stem completion test following presentation of target words in the context of a coherent text. Four main results emerged. First, we found a significant priming effect for words previously studied in a text, this priming is higher with low-frequency words than with high-frequency words. Second, subjects demonstrated more repetition priming when study and test modalities matched than when they were different. Third, the magnitude of the priming effect in the visual condition varied with the perceptual processing of the text read. Fourth, priming effects did not depend on subjects' remembering of the words of text read as measured by a yes/no recognition test since no modality effect was found in this latter memory test. These results challenge Levy's (1993) view and are discussed in the framework of the transfer-appropriate processing view proposed by Roediger, Weldon and Challis (1989). 相似文献
375.
376.
Xuelan Qiu Jimmy de la Torre 《The British journal of mathematical and statistical psychology》2023,76(3):491-512
The use of multidimensional forced-choice (MFC) items to assess non-cognitive traits such as personality, interests and values in psychological tests has a long history, because MFC items show strengths in preventing response bias. Recently, there has been a surge of interest in developing item response theory (IRT) models for MFC items. However, nearly all of the existing IRT models have been developed for MFC items with binary scores. Real tests use MFC items with more than two categories; such items are more informative than their binary counterparts. This study developed a new IRT model for polytomous MFC items based on the cognitive model of choice, which describes the cognitive processes underlying humans' preferential choice behaviours. The new model is unique in its ability to account for the ipsative nature of polytomous MFC items, to assess individual psychological differentiation in interests, values and emotions, and to compare the differentiation levels of latent traits between individuals. Simulation studies were conducted to examine the parameter recovery of the new model with existing computer programs. The results showed that both statement parameters and person parameters were well recovered when the sample size was sufficient. The more complete the linking of the statements was, the more accurate the parameter estimation was. This paper provides an empirical example of a career interest test using four-category MFC items. Although some aspects of the model (e.g., the nature of the person parameters) require additional validation, our approach appears promising. 相似文献
377.
Marleen Stelter Stefan R. Schweinberger 《British journal of psychology (London, England : 1953)》2023,114(Z1):1-9
Although different human races do not exist from the perspective of biology and genetics, ascribed ‘race’ influences psychological processing, such as memory and perception of faces. Research from this Special Issue, as well as a wealth of previous research, shows that other-‘race’ faces are more difficult to recognize compared to own-‘race’ faces, a phenomenon known as the other-‘race’ effect. Theories of expertise attribute the cause of the other-‘race’ effect to less efficient visual representations of other-‘race’ faces, which results from reduced visual expertise with other-‘race’ faces compared to own-‘race’ faces due to limited contact with individuals from other ‘racial’ groups. By contrast, social-cognitive accounts attribute the cause of the other-‘race’ effect to reduced motivation to individuate other-‘race’ faces compared to own-‘race’ faces. Evidence for both types of theories is still mixed, but progress in understanding the phenomenon has also been hampered by the fact that there has been little crosstalk between these accounts, which tend to be rooted in separate domains of experimental perception science and social psychology, respectively. To promote an integrative perspective on current knowledge on own- versus other-‘race’ face processing, the present Special Issue bridges different psychological subdisciplines, showcasing research using a large variety of methodological approaches and measures. In this guest editorial, we briefly highlight individual contributions to this Special Issue and offer what we see as important avenues for future research on the other-‘race’ effect. 相似文献
378.
从中西医学的竞争和渗透谈现代中医临床思维的变革 总被引:3,自引:0,他引:3
徐承祖 《医学与哲学(人文社会医学版)》1998,19(12):626-629
现代中医的临床思维正在发生着变革,一个以辨病为纲,辨证为目,辨病论治为经,辨证论治为纬的临床思维新模式,已经呼之欲出。这正是21世纪中医学发展的必由之路,学术界必从唯物辩证法的角度来审视这场变革,并因其势而利导之。 相似文献
379.
Self-stimulatory behavior is repetitive, stereotyped, functionally autonomous behavior seen in both normal and developmentally disabled populations, yet no satisfactory theory of its development and major characteristics has previously been offered. We present here a detailed hypothesis of the acquisition and maintenance of self-stimulatory behavior, proposing that the behaviors are operant responses whose reinforcers are automatically produced interoceptive and exteroceptive perceptual consequences. The concept of perceptual stimuli and reinforcers, the durability of self-stimulatory behaviors, the sensory extinction effect, the inverse relationship between self-stimulatory and other behaviors, the blocking effect of self-stimulatory behavior on new learning, and response substitution effects are discussed in terms of the hypothesis. Support for the hypothesis from the areas of sensory reinforcement and sensory deprivation is also reviewed. Limitations of major alternative theories are discussed, along with implications of the perceptual reinforcement hypothesis for the treatment of excessive self-stimulatory behavior and for theoretical conceptualizations of functionally related normal and pathological behaviors. 相似文献
380.
J. P. Sutcliffe 《Psychometrika》1986,51(2):209-240
By reference to nominated attributes, a genus, being a population of objects of one specified kind, may be partitioned into species, being subpopulations of different kinds. A prototype is an object representative of its species within the genus. Using this framework, the paper describes how objects can be relatively differentiated with respect to attributes, and how attributes can be relatively differentiating with respect to objects. Methods and rationale for such differential ordering of objects and attributes are presented by example, formal development, and application.For a genus comprisingn species of object there is a subsetP ofn distinct prototypes. With respect tom nominated attributes, each object in has anm-element characterization. Together these determine ann ×m objects × attributes matrix, the rows of which are the characterizations of the prototypical objects. Over then species in , an associated relative frequency vector gives the distribution of objects (and of their characterizations). The matrix and vector associate the objects in with points in a metric space (P, ); and it is with respect to various sums of distances in this attribute space that one can differentially order objects and attributes.The definition of the distance function is generalized across kinds of difference, types of characterization, scale-types of measurement, Minkowskiindex 1, and any form of distribution of objects over species. Explanatory and taxonomic applications in psychology and other fields are discussed, with focus on classification, identification, recognition, and search. The Braille code and the identification of its characters provide illustration.An anticipation and some preliminary indications were given in Sutcliffe and Bristow (1966), Sutcliffe (1972, 1973), and Nowakowska (1975). Subsequently the ideas have been extended and their applications realized in a computer program which, in its development, has so far gone through many minor and three major revisions to its present form in Sutcliffe (1985). The foregoing provided the foundation for the empirical applications and for the presentation in this paper of the ideas in their general form. the research has been supported by funds from the University of Sydney Research Grant and from the Australian Research Grants Scheme. In the working out and exposition of the ideas I have very much benefited from constructive critical comment given by C. R. Latimer, J. B. Michell, G. Oliphant, and E. Seneta, and from the professional programming skills of Michael Wilson and David Shillito. I am grateful for the invitation and the facilities for writing extended during 1983 by Georges Noizet, Laboratoire de Psychologie Expérimentale, Université René Descartes, Paris V, and by Samuel Messick, Vice President for Research, E.T.S. Princeton, N.J. Finally, I acknowledge the improvements in presentation of this paper which have arisen from the editor's and reviewers' comments. 相似文献