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21.
Concurrent working memory load can facilitate selective attention: evidence for specialized load 总被引:1,自引:0,他引:1
Park S Kim MS Chun MM 《Journal of experimental psychology. Human perception and performance》2007,33(5):1062-1075
Load theory predicts that concurrent working memory load impairs selective attention and increases distractor interference (N. Lavie, A. Hirst, J. W. de Fockert, & E. Viding). Here, the authors present new evidence that the type of concurrent working memory load determines whether load impairs selective attention or not. Working memory load was paired with a same/different matching task that required focusing on targets while ignoring distractors. When working memory items shared the same limited-capacity processing mechanisms with targets in the matching task, distractor interference increased. However, when working memory items shared processing with distractors in the matching task, distractor interference decreased, facilitating target selection. A specialized load account is proposed to describe the dissociable effects of working memory load on selective processing depending on whether the load overlaps with targets or with distractors. 相似文献
22.
客体工作记忆任务中大脑皮层活动的记忆负荷效应 总被引:5,自引:0,他引:5
利用128导事件相关电位技术,采用延迟匹配任务的实验范式,测查了20名正常被试完成不同负荷客体任务时的皮层慢电位(slow cortical potentials,简称sp成分),实验发现:背侧前额叶在刺激呈现后的700ms到1400ms出现记忆负荷效应,高负荷任务诱发的sp成分显著负于低负荷任务;低负荷任务诱发的sp成分在左前额区(500~1800ms)、左前额-中央区(700~1800ms)、左中央-顶叶区(1000~1400s和1800~4800ms)、右前额区(1800~4800ms)和右前额-中央区(1400~4800ms)显著负于高负荷任务,出现记忆负荷效应,但这种负荷效应在左右大脑半球所反映的心理意义可能不同 相似文献
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外科临床决策的核心在精于选择 总被引:2,自引:0,他引:2
刘永雄 《医学与哲学(人文社会医学版)》2006,27(5):1-3
造就名医是个系统工程,理论和实践统一才有功底。为病人提供优质服务,要求医生有能力对病情进行综合分析思考、辨认、评估,对诊断、治疗进行鉴别,为选择科学的临床决策提供依据。理论与临床实践高水平的结合,难能可贵的是忌粗取精、忌浅求深、忌表识里,从临床汇集资料来思考、分析,最终做出选择,再到临床上去验证,从而得出正确的诊断和处理方案。善于选择和精于选择,是临床决策的核心,是临床医生综合素质走向成熟的产物,是一代名医成长的必然之路。 相似文献
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HUANG Yong 《Frontiers of Philosophy in China》2018,13(2):217
Is Confucian ethics primarily egoistic or altruistic? There is textual support for both answers. For the former, for example, Confucius claims that one learns for the sake of oneself; for the latter, we can find Confucius saying that one ought to not impose upon others as one would not like to be imposed upon. This essay aims to explain in what sense Confucian ethics is egoistic (the highest goal one aims to reach is to become a virtuous person oneself) and in what sense it is altruistic (a virtuous person is necessarily concerned with the well-being, both external and internal, of others). The conclusion to be drawn, however, is not that Confucian ethics is both egoistic and altruistic, but that it is neither, since the Confucian ideal of a virtuous person is to be in one body with others so that there are really no others (since all others become part of myself), and since there are no others, there is no self either. 相似文献
27.
Ye Rang Park Robert L. Nix Larissa G. Duncan J. Douglas Coatsworth Mark T. Greenberg 《Family process》2020,59(4):1690-1705
The current study examined unfolding relations among mothers’ mindful parenting, parent–adolescent recurrent conflict, and adolescents’ externalizing and internalizing problems. In a community sample of 117 families (31% black, Asian, American Indian, or Latino), parents and adolescents (52% female; average age = 12.13 years) were followed over 15 months. Parents answered questions about mindful parenting and recurrent conflict, and adolescents reported on their own externalizing and internalizing problems. Path analyses indicated that higher levels of mindful parenting were significantly related to lower levels of recurrent conflict 2–3 months later, controlling for previous levels of recurrent conflict. Moreover, lower levels of recurrent conflict were significantly related to lower levels of externalizing problems and internalizing problems 1 year later, controlling for previous levels of those problems. Subgroup analyses indicated that relations were comparable across subgroups defined by adolescent gender, race, parent marital status, and family financial strain. The effects of mindful parenting were robust even after accounting for other indicators of positive and supportive parenting, namely inductive reasoning and warmth in the parent–adolescent relationship. These findings highlight the potential of mindful parenting to improve family interactions and adolescent adjustment. 相似文献
28.
Su Hyoun Park Leeland L. Rogers Timothy J. Vickery 《Attention, perception & psychophysics》2018,80(6):1409-1419
Humans are adept at learning regularities in a visual environment, even without explicit cues to structure and in the absence of instruction—this has been termed “visual statistical learning” (VSL). The nature of the representations resulting from VSL are still poorly understood. In five experiments, we examined the specificity of temporal VSL representations. In Experiments 1A, 1B, and 2, we compared recognition rates of triplets and all embedded pairs to chance. Robust learning of all structures was evident, and even pairs of non-adjacent items in a sequentially presented triplet (AC extracted from a triplet composed of ABC) were recognized at above-chance levels. In Experiment 3, we asked whether people could recognize rearranged pairs to examine the flexibility of learned representations. Recognition of all possible orders of target triplets and pairs was significantly higher than chance, and there were no differences between canonical orderings and their corresponding randomized orderings, suggesting that learners were not dependent upon originally experienced stimulus orderings to recognize co-occurrence. Experiment 4 demonstrates the essential role of an interstitial item in VSL representations. By comparing the learning of quadruplet sets (e.g., ABCD) and triplet sets (e.g., ABC), we found learning of AC and BD in ABCD (quadruplet) sets were better than the learning of AC in ABC (triplet) sets. This pattern of results might result from the critical role of interstitial items in statistical learning. In short, our work supports the idea of generalized representation in VSL and provides evidence about how this representation is structured. 相似文献
29.
调节定向理论(Higgins,1997)超越传统享乐主义动机,区分出“促进”和“预防”两种调节性动机系统,近年已成为消费行为领域的研究热点之一.调节定向影响着消费者购物决策整个过程,受被试因素(文化背景、自我建构)、刺激因素(信息框架、解释水平、非言语线索、商品属性)和情境因素(决策时间距离、任务操纵)的影响,通过直接作用、调节关联效应和调节匹配效应三种途径决定信息的说服效果,并且受到精细加工可能性的调节.管理者应特别注意具体营销情境中的调节定向,合理利用调节匹配效应.未来研究应关注调节投入理论、调节定向的前因变量以及同网络购物情境相结合,并探索如何削弱预防定向对营销的不利影响. 相似文献
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