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241.
Delayed matching-to-sample was studied in the pigeon using a procedure which precisely controlled the presentation time of the sample stimulus. Experiments 1 and 2 revealed that (a) accuracy of matching increased as a negatively accelerated function of presentation time, (b) accuracy declined when an interstimulus interval was introduced between successive presentations of the sample stimulus, and (c) the rate at which accurate matching was restored after an interstimulus interval was greatest when the initial presentation of the sample was short and the interval was long. It was concluded that a theory of STM based on the growth and decay of trace strength could account adequately for all of these findings. Experiment 3 studied trace interaction by presenting two sample stimuli first in succession and then simultaneously for choice. Predictions from trace competition theory about the specific lengths of presentation of these stimuli at which choice of the second stimulus should be 50% or deviate systematically below 50% were not supported. It appears that a recency mechanism in addition to competition is necessary to explain trace interaction effects. 相似文献
242.
This experiment examined the relationship between self-instructions and subsequent instruction-following performance, as a function of the history of the consequences for correspondence or noncorrespondence. Subjects were two groups of elementary school children (ages 7 and 8 years). In training, the two groups were exposed to different histories of congruence or noncongruence between self-instructions and consequences for performance. In the Congruent group, subjects were exposed to a series of stimuli to which they were trained to give self-instructions to make, or not to make, a key-pressing response. Reinforcement was given for self-instructing, and responding in accord with the self-instruction. Subjects in the Noncongruent group were trained to give the same self-instructions for the same stimuli, but reinforcement was given for counter-compliance. Subsequently, in a temptation situation, the experimenter gave an instruction not to press for a test stimulus; and subjects were trained to give the inhibitory self-instruction for this stimulus. Subjects in the Noncongruent group showed a high rate of rule-breaking. The effects on behavior of self-delivered instructions depend on the past relations between these events and the consequences for instruction-following. Implications are discussed for moral behavior and cognitively oriented therapy. 相似文献
243.
Marian J. Butcher 《Intelligence》1977,1(4):344-357
Visual recognition memory was examined in a group of profoundly retarded young children whose visual-motor developmental level was estimated to be below one year. The children were tested for recognition of a previously shown face photo or a previously exposed color either immediately or following a short-term delay by observing the distribution of their visual fixation responses to novel stimuli when paired with previously seen targets. During a study or “familiarization” period the profoundly retarded children devoted voted approximately the same amount of attention to photos of faces as they did to colored, abstract patterns, and individual differences in overall looking time proved to be reliable. During the recognition testing phase the profoundly retarded children demonstrated immediate recognition memory for both faces and colors, preferring a novel to a previously exposed target, but responsiveness to novelty declined abruptly over a short-term delay, providing little evidence for delayed recognition. 相似文献
244.
245.
《汉书·魏相传》是研究西汉易学的一篇重要文献。文中云魏相“数表采《易阴阳》及《明堂月令》奏之”,反映了西汉中期易学的特点。《易阴阳》是将《易经》与阴阳数术结合的产物;以五行配八卦、中央黄帝执坤艮治下土。反映了黄帝学说对易学的影响。儒学中《易》与礼相通.魏相说《易》引《明堂月令》.正说明了这一问题。 相似文献
246.
Eight separate samples of high school and university students (Total N = 410) in Britain and Canada were used to test predictions from Eysenck's theory that delinquents should be high scorers on scales of extraversion, neuroticism, and psychoticism. Self-report paper- and pencil-questionnaire measures of both personality and delinquency were administered under conditions that ensured anonymity. The evidence showed clear support for a relationship between high delinquency scores and high scores on both extraversion and psychoticism. These relationships held up across diverse samples and different ways of analyzing the data. No support was found for a relationship between delinquency scores and the dimension of neuroticism. 相似文献
247.
Hemispheric differences in temporal resolution 总被引:1,自引:0,他引:1
G R Hammond 《Brain and cognition》1982,1(1):95-118
A review of the relevant clinical and experimental literature gives the conclusion that the cerebral hemispheres differ in temporal resolution of input, with the language-dominant hemisphere showing finer acuity. This conclusion is supported by evidence from performance of patients with unilateral brain damage on tests of temporal resolution, performance of developmental dyslexics on similar tasks, and left-right sensory field differences in temporal acuity in normal human subjects. While it is unlikely that a hemispheric difference in temporal resolution is sufficient to give a complete account of lateralized functions, such attempts to show more primitive physiological differences between the hemispheres are more likely to be fruitful than attempts which differentiate the hemispheres in terms of higher-order psychological functions. 相似文献
248.
Three experiments are reported in which rats were presented with lists of spatial events or responses in distinct visual contexts, and retention subsequently was measured for the events occuring at each serial position. In Experiments 1 and 2, lists contained different numbers of forced choices on successively presented T-mazes, and memory for each serial position was tested on each trial. In Experiment 3, lists were made up of different numbers of forced entries into randomly ordered arms on the eight-arm radial maze, and memory for one serial position was probed on each trial. All three experiments yielded serial position curves which demonstrated recency effects but no primacy effects. Comparisons of retention for different list lengths within each experiment indicated that retention of shorter lists was equivalent to retention of the final items of longer lists and superior to retention of the initial items on longer lists. This pattern of results indicated that there was no evidence of proactive inhibition in the serial position curves. Analysis of input and output interference effects and the results of control tests suggested that both retroactive inhibition and time-based forgetting processes were responsible for recency effects. 相似文献
249.
Qingping Liu 《Frontiers of Philosophy in China》2006,1(1):33-40
Through comparisons between traditional Chinese and Western aesthetics, this article tries to explain the worldwide significance
of Chinese aesthetic tradition in the twenty-first century. In contrast to cognitive-rational spirit and the tendency to distinguish
the subjectives and objectives of traditional Western aesthetics, traditional Chinese aesthetics shows a distinctive practical-emotional
spirit and a tendency to harmoniously unite human beings with nature, and believes that beauty is, first and foremost, a free
state or way (Dao) of human life; the most important thing for human beings is how to make their own lives and existence beautiful. Therefore,
it puts forward some persuasive and valuable insights into beauty and art, thus playing an independent and constructive role
in intercultural aesthetic dialogues of the twenty-first century.
Translated from Journal of Xiaogan College, 2004:5 相似文献
250.
The Lukács Circle in Szeged, a spontaneous, unofficial organization of young Hungarian scholars and philosophy teachers, characteristically represented Georg Lukács' influence on young Hungarian intelligentsia in the period of late socialism. In this paper, the author recalls and critically analyses the intellectual milieu and motives that led a considerable part of young Hungarian intelligentsia of that time to make a cult of Lukács' philosophy. The key to the analysis is the ambiguous character of the political feelings and philosophical orientation of many young people in the period of late socialism and the paradoxical non-bourgeois bourgeois character of Lukács' philosophy. Lukács' young followers were dissatisfied with the political conditions of real socialism and with official Marxism. However, they considered themselves Marxists and were convinced by the anti-capitalist, romantic idea of democratic socialism. In the eyes of his young followers, Lukács was a genuine philosopher whose teaching was interwoven by his wide-ranging bourgeois middle-class education, promising both a real philosophical alternative to official Marxism and a high-level philosophical foundation for a non-capitalist but democratic future human history. The author argues that Lukács' philosophy did not satisfy these expectations. In his political philosophy, the philosopher could not move away from the mythological idea concerning the leading role of the communist party and therefore could not elaborate a genuine philosophical foundation for the idea of democratic socialism. Despite the superiority of his philosophy, his methodology and approach to the history of philosophy failed to provide a real philosophical alternative to the Bolshevik tradition of Marxism. 相似文献