首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   589篇
  免费   46篇
  国内免费   30篇
  665篇
  2023年   1篇
  2022年   2篇
  2021年   21篇
  2020年   14篇
  2019年   22篇
  2018年   24篇
  2017年   22篇
  2016年   23篇
  2015年   23篇
  2014年   34篇
  2013年   101篇
  2012年   18篇
  2011年   38篇
  2010年   21篇
  2009年   30篇
  2008年   37篇
  2007年   39篇
  2006年   34篇
  2005年   24篇
  2004年   17篇
  2003年   21篇
  2002年   14篇
  2001年   13篇
  2000年   9篇
  1999年   11篇
  1998年   7篇
  1997年   7篇
  1996年   2篇
  1995年   6篇
  1994年   6篇
  1993年   4篇
  1992年   3篇
  1990年   3篇
  1989年   3篇
  1988年   3篇
  1986年   1篇
  1985年   1篇
  1983年   3篇
  1981年   1篇
  1978年   1篇
  1977年   1篇
排序方式: 共有665条查询结果,搜索用时 15 毫秒
591.
实验研究在2个月的时间内探索了回溯式时间记忆的特点,实验选取15个影视片断和8个新闻事件,影视片段播放的时间和新闻事件的发生同期,要求被试回忆影视片段和新闻事件的时点、时距和时序。结果表明:(1)在时序上,影视片段时序的准确性高于新闻事件;在时距上,7分钟和15分钟的准确性高于30分钟,7分钟时距倾向于高估,30分钟时距倾向于低估;在时点上,影视片段的准确性高于新闻事件。(2)时点的回溯式记忆受到被试自我卷入程度的影响。(3)回溯式时距估计受到真实时距的长短和延迟时间长短的交互影响。(4)事件序列关系一般倾向于具有网络层次的特征,在无充足思考时间条件下,倾向于具有线形模型的特征。  相似文献   
592.
Robert Edward Pezet 《Ratio》2018,31(1):103-117
This paper explores what could justify some intuitive temporal asymmetries regarding redemption and the distribution of ills and goods throughout an agent's lifespan. After exposing the inadequacies of causal explanations – based on our differential ability to affect the future, but not the past – a metaphysical explanation is outlined in relation to three competing temporal‐ontological profiles of agents, and their varying accounts of a being's development. Only one of those conceptions of agents – supported by Presentism, the thesis that everything is present – offers an account justifying the intuitive temporal asymmetries. Finally, consequences are then drawn for the possibility of true redemption.  相似文献   
593.
《Journal of Applied Logic》2014,12(4):395-416
We develop a general framework for the design of temporal logics for concurrent recursive programs. A program execution is modeled as a partial order with multiple nesting relations. To specify properties of executions, we consider any temporal logic whose modalities are definable in monadic second-order logic and which, in addition, allows PDL-like path expressions. This captures, in a unifying framework, a wide range of logics defined for ranked and unranked trees, nested words, and Mazurkiewicz traces that have been studied separately. We show that satisfiability and model checking are decidable in EXPTIME and 2EXPTIME, depending on the precise path modalities.  相似文献   
594.
In this research, we investigate the impact of significant life experiences on intertemporal decisions among young adults. A series of experiments focus specifically on the impact of experiencing the death of a close other by cancer. We show that such an experience, which bears information about time, is associated with making decisions that favor the long-term future over short-term interests (Studies 1 and 2). Underlying this effect appears to be increased salience and concreteness regarding one’s future life course, shifting focus away from the present toward the long run (Studies 3 and 4). Finally, we explore the shift caused by a cancer death of a public figure and examine its stability over time (Study 5). Implications for research on intertemporal decision making and the impact of life events on perceptions and preferences are discussed.  相似文献   
595.
发展和谐医患关系是保持正常医疗秩序的重要前提,而目前的医疗秩序重构又是发展和谐医患关系的必然。和谐医患关系的基础是医疗卫生服务价值理念的普遍公正合理,它要求以”以人为本”作为价值取向,以“人人享有”作为目标模式,以“医疗公平”作为基本理念,以“利益平衡”作为政治前提,以“规范监管”作为制度保障,以“诚信互动”作为必要条件。  相似文献   
596.
“自发生成论”和“理性创设论”是传统道德哲学关于社会伦理秩序生成的两种理论模式。“自发生成论”认为,伦理道德不是纯粹人类理性设计的产物,而是人类行为实践的自然结果;“理性创设论”认为,伦理道德是人类自觉建构的结果,是人类理性创设的产物。这两种理论模式都以抽象的人性为其理论基础,无法合理解释个体与类之间的伦理关系。基于现实伦理实体的“创生拓展”应成为现代社会伦理秩序的发生路径。  相似文献   
597.
Biased extensive measurement: The general case   总被引:1,自引:0,他引:1  
We develop a theory of biased extensive measurement which allows us to prove the existence of a ratio-scale without transitivity of indifference and with a property of homothetic invariance weaker than independence. These representations, which cover the cases of interval orders and of semiorders, reveal a unique biasing function smaller or equal to 1 that distorts extensive measurement and explains departures from its standard axioms. We interpret this biasing function as characterizing the qualitative influence of the underlying measurement process and we show that it induces a proportional indifference threshold.  相似文献   
598.
Ecological validity of neuropsychological assessment includes the ability of tests to predict real-world functioning and/or covary with brain structures. Studies have examined the relationship between adaptive skills and test performance, with less focus on the association between regional brain volumes and neurobehavioral function in healthy children. The present study examined the relationship between temporal lobe gray matter volumes and performance on two neuropsychological tests hypothesized to measure temporal lobe functioning (visual perception-VP; peabody picture vocabulary test, third edition-PPVT-III) in 48 healthy children ages 5-18 years. After controlling for age and gender, left and right temporal and left occipital volumes were significant predictors of VP. Left and right frontal and temporal volumes were significant predictors of PPVT-III. Temporal volume emerged as the strongest lobar correlate with both tests. These results provide convergent and discriminant validity supporting VP as a measure of the "what" system; but suggest the PPVT-III as a complex measure of receptive vocabulary, potentially involving executive function demands.  相似文献   
599.
A crucial aspect of the human mind is the ability to project the self along the time line to past and future. It has been argued that such self-projection is essential to re-experience past experiences and predict future events. In-depth analysis of a novel paradigm investigating mental time shows that the speed of this “self-projection” in time depends logarithmically on the temporal-distance between an imagined “location” on the time line that participants were asked to imagine and the location of another imagined event from the time line. This logarithmic pattern suggests that events in human cognition are spatially mapped along an imagery mental time line. We argue that the present time-line data are comparable to the spatial mapping of numbers along the mental number line and that such spatial maps are a fundamental basis for cognition.  相似文献   
600.
Using functional MRI, we investigated whether auditory processing of both speech and meaningful non-linguistic environmental sounds in superior and middle temporal cortex relies on a complex and spatially distributed neural system. We found that evidence for spatially distributed processing of speech and environmental sounds in a substantial extent of temporal cortices. Most importantly, regions previously reported as selective for speech over environmental sounds also contained distributed information. The results indicate that temporal cortices supporting complex auditory processing, including regions previously described as speech-selective, are in fact highly heterogeneous.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号