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排序方式: 共有1398条查询结果,搜索用时 15 毫秒
971.
The short-term training effects on various executive functions (EFs) by a movement-based contemplative practice (MBCP) are examined. Three aspects of EFs (working memory capacity, inhibition, switching) are assessed before and after a month-long 12-h training period using Body-Mind Axial Awareness (BMAA) principles that Confucius followers have practiced for more than 2000 years. A mindfulness-based practice (Chan-meditation) and a waiting-list control group served as contrast groups. Our results showed that the BMAA group performed better on the task that measured working memory capacity than did the Chan-meditation and the waiting-list groups after training. In addition, the Chan-meditation groups outperformed the control group on attentional switching, a novel finding for this kind of practice. Our findings not only show a new effect of short-term MBCPs on EFs, but also indicate movement-based and mindfulness-based contemplative practices might benefit development of various aspects of EFs in different ways.  相似文献   
972.
We examined the moderating effects of age and cognitive reserve on the relationship between body mass index (BMI) and processing speed, executive function, and working memory based on the literature suggesting that obese individuals perform more poorly on measures of these abilities. Fifty-six healthy, dementia-free community-dwelling older (mean age 65.72 ± 7.40) and younger (mean age 21.10 ± 2.33) adults completed a neuropsychological battery and reported height and weight. Mixed effects models were used to evaluate the interactive effects of age, education (a proxy for cognitive reserve), and BMI on cognitive scores. Higher education was protective for executive deficits in younger, but not older adults. Age differences in executive functions were reduced at higher education levels but increased in individuals with higher BMI. Results suggest the inter-relationships between cognitive reserve – as measured by education – and BMI differ across age, and that obesity may accelerate the cognitive aging process.  相似文献   
973.
吴迪  邱江 《心理科学》2016,39(1):224-232
传统单一模态、单一分析方法在揭示抑郁症脑机制上存在较多局限;而新近多种模态、多种分析方法的结合可在一定程度上较好地促进对抑郁症脑功能和结构的全面探索、挖掘,可以更加有效地运用和实施于早期辅助诊断、干预治疗当中。因此,本文首先简要介绍了多种模态下的脑影像指标及其分析技术,而后分别从结构及功能神经影像数据融合等方面,概述了抑郁症脑结构和功能的研究现状,发现抑郁症患者存在诸多脑区及相关环路结构及功能的异常。同时,通过对抑郁症多模态研究现状的梳理和总结,结合我们已有的相关前期研究工作,对未来抑郁症等情感障碍的进一步研究工作提出了一些思考和展望。  相似文献   
974.
The clinical differentiation of progressive supranuclear palsy from Parkinson's disease can be challenging, due to overlapping clinical features and a lack of diagnostic markers. Abnormalities in cognitive function form part of the clinical spectrums of these diseases and distinctive cognitive profiles may be helpful in differentiating these diseases in the diagnostic period. A comprehensive neuropsychological test battery was administered to 12 patients with clinically diagnosed progressive supranuclear palsy and 12 patients with Parkinson's disease matched for age and disease duration. Effect size (Cohen's d) was calculated for cognitive tests that were significantly different between groups. Patients with progressive supranuclear palsy performed significantly worse than those with Parkinson's disease on measures of processing speed, verbal fluency, planning, verbal abstract reasoning, verbal memory, and made more perseverative responses on a set shifting task. Measures of executive function, manual dexterity and processing speed were most diagnostically useful (Cohen's d > 2.0) in differentiating between progressive supranuclear palsy and Parkinson's disease. These findings suggest that more severe and prominent ‘frontal’ cognitive deficits in patients with progressive parkinsonism would be helpful in predicting progressive supranuclear palsy rather than Parkinson's disease and these findings may contribute to the development of diagnostic criteria.  相似文献   
975.
Lluís Oviedo 《Zygon》2005,40(2):351-362
Abstract. In the last century science and technology have been viewed as guilty of contributing to the modern secularization process and also to a crisis in religion. The extent of this influence is less clear today: while technology is stronger, and an easy target for any kind of social and cultural criticism, science seems weaker than it used to. The aim of this commentary is to examine in a critical way the arguments for and against scientific and technological involvement in the crisis religion faces today. In the end, a revision of the future of religion is called into question, especially in the light of a more “technological theology.”  相似文献   
976.
移情对亲社会行为决策的两种功能   总被引:11,自引:0,他引:11  
移情对亲社会行为决策具有动机功能和信息功能。霍夫曼认为,移情忧伤不仅能够作为亲社会道德动机促进亲社会行为的产生,而且能够激活观察者的道德原则,进而引发亲社会行为。巴特森强调移情不仅能够增强解除他人困境的动机,而且带有重视他人福利和想使他人困境得到解除的程度的信息。移情的动机功能依赖于诱发移情的情境,而信息功能具有稳定的倾向性,比动机功能更持久,两种功能共同作用使移情在亲社会行为决策中具有更强的适应性。移情功能理论对道德教育具有启示作用。  相似文献   
977.
The present study examined whether psychopaths exhibit deficits in selective attention and executive functions. Prison inmates were assigned to either a “psychopath” group or a “control” group according to their scores on the PCL‐R [Hare, 1991: Toronto, Multi‐Health Systems]. The two groups were compared in terms of performance on the following tests: (1) D‐II cancellation, (2) Porteus Maze, (3) Modified Wisconsin Card Sorting, (4) Stroop Color Word Interference, (5) Trail Making, and (6) Tower of London. The results support the hypothesis of selective attention and specific executive function deficits among psychopaths. Specifically, psychopaths' abilities to maintain a plan and to inhibit irrelevant information were inferior to those of control participants. Aggr. Behav. 29:393–405, 2003. © 2003 Wiley‐Liss, Inc.  相似文献   
978.
The present study employed a battery of verbal tests that included a broad range of executive demands to demonstrate the differential contributions of language and executive function to the performance decrement observed in individuals who display impulsive aggressive (IA) outbursts. A profile analysis revealed that despite not differing on tasks requiring limited verbal output, the IAs deviated further from nonaggressive controls as the tasks required increasing spontaneous organization. Results suggest that language ability per se is not impaired in IAs; rather inefficient executive functioning is responsible for their significantly poorer performance on complex verbal tasks.  相似文献   
979.
Hans Loewald's work was relatively marginalized in its day and it is little known outside the United States. It is, however, assuming increasing importance in American psychoanalysis. Loewald's attractiveness as a theoretician is due, in no small part, to his rigor and synthetic reach. He is able to accomplish the difficult feat of remaining non-sectarian and systematic at the same time. Indeed, Loewald's work contains an integrative vision that is unusual in today's fragmented psychoanalytic world. This author tries to show how Loewald attempts to reconcile many of the rigid oppositions that often become reified in analytic controversies: structural theory versus relational psychoanalysis, traditionalism versus revisionism, oedipal versus pre-oedipal, modernist versus postmodernist and hermeneutical versus scientific. The article examines how Eros, understood in terms of the psyche's synthetic strivings, plays a major role in Loewald's theory. The author also situates Loewald's position within contemporary psychoanalytic discussions of epistemology. These discussions tend to criticize the objectivism of modern science-and analysis in so far as it models itself on science-and stress countertransference and the subjectivity of the analyst. Loewald's argument, however, runs in the opposite direction. Because of his concern with the autonomy and individuality of the patient, he is concerned with the clinical dangers rising from an overemphasis on the subjectivity of the analyst.  相似文献   
980.
Abstract: The relation between reformative self‐control and discounting of reward value by delay or effort was examined. Thirty‐two Japanese undergraduates were selected based on their scores on a standardized pencil and paper test of self‐control, the Redressive–Reformative Self‐Control Scale ( Sugiwaka, 1995 ). The subjects indicated their preference (i) between a hypothetical 100 000 yen reward available with various delays and a certain reward of variable amount available immediately; or (ii) between a hypothetical 100 000 yen reward available with various efforts and a certain reward of variable amount available without effort. The discounting of delayed reward value was described well by a hyperbolic function proposed by Mazur (1987 ). The slopes of the delayed discounting curves were steeper for subjects who scored low on the Reformative Self‐Control Scale, which is a measure of reformative self‐control and a subscale of the Redressive–Reformative Self‐Control Scale. The discounting by effort was also described well by the hyperbolic function. The slopes of the effortful discounting curves did not correlate to those of the delayed discounting curves. The slopes were not systematically different across the groups of subjects with different scores on the reformative self‐control scale.  相似文献   
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