全文获取类型
收费全文 | 1524篇 |
免费 | 53篇 |
国内免费 | 5篇 |
专业分类
1582篇 |
出版年
2022年 | 9篇 |
2020年 | 20篇 |
2019年 | 18篇 |
2018年 | 41篇 |
2017年 | 39篇 |
2016年 | 29篇 |
2015年 | 22篇 |
2014年 | 42篇 |
2013年 | 189篇 |
2012年 | 80篇 |
2011年 | 83篇 |
2010年 | 42篇 |
2009年 | 41篇 |
2008年 | 66篇 |
2007年 | 67篇 |
2006年 | 59篇 |
2005年 | 59篇 |
2004年 | 60篇 |
2003年 | 54篇 |
2002年 | 53篇 |
2001年 | 30篇 |
2000年 | 23篇 |
1999年 | 25篇 |
1998年 | 32篇 |
1997年 | 19篇 |
1996年 | 22篇 |
1995年 | 22篇 |
1994年 | 25篇 |
1993年 | 21篇 |
1992年 | 22篇 |
1991年 | 15篇 |
1990年 | 13篇 |
1989年 | 14篇 |
1988年 | 9篇 |
1987年 | 15篇 |
1986年 | 10篇 |
1985年 | 12篇 |
1984年 | 11篇 |
1983年 | 18篇 |
1982年 | 13篇 |
1981年 | 13篇 |
1980年 | 11篇 |
1979年 | 9篇 |
1978年 | 17篇 |
1977年 | 12篇 |
1976年 | 5篇 |
1975年 | 12篇 |
1974年 | 11篇 |
1972年 | 6篇 |
1968年 | 5篇 |
排序方式: 共有1582条查询结果,搜索用时 0 毫秒
161.
C Keith Conners 《Journal of personality》1963,31(3):408-416
162.
163.
164.
Keith Clements 《The Ecumenical review》2003,55(3):256-263
165.
166.
Juhasz BJ Liversedge SP White SJ Rayner K 《Quarterly journal of experimental psychology (2006)》2006,59(9):1614-1625
This experiment investigated whether properties of the text being read affect binocular coordination of the eyes during reading. Readers' binocular eye movements were recorded while they read sentences that contained high- and low-frequency words. In addition, half of the sentences were presented in normal case, and half were presented in alternating case (i.e., AlTeRnAtInG cAsE). Past research has suggested that the visual system tolerates less binocular fixation disparity with alternating than with normal case (Heller & Radach, 1999). While both word frequency and alternating case produced large effects on fixation durations on the target word, neither manipulation affected the magnitude of fixation disparity. It is concluded that linguistic and visual properties of the text being read do not influence binocular coordination of the eyes during reading. Additional analyses also showed no difference in fixation disparity between reading and a nonlinguistic task. Implications of these results for split-fovea models of reading are discussed. 相似文献
167.
The authors evaluated whether self-reported trait anhedonia in schizophrenia reflects faulty memory, such that patients are capable of experiencing pleasure while engaged in enjoyable activities but underestimate their pleasure in recalling these experiences. Thirty schizophrenia patients and 31 nonpatient control participants rated their emotional responses to pleasant and neutral foods and film clips and completed a surprise recall task for their emotions after a 4-hr delay. Despite reporting elevated trait anhedonia, patients did not significantly differ from control participants in immediate pleasant emotional responses to the stimuli or in delayed recall for these experiences. In-the-moment pleasure and short-term retention for emotional experiences thus appear to be relatively intact in schizophrenia. Alternative explanations for the hedonic deficit in this disorder are discussed. 相似文献
168.
Eighteen healthy young adults underwent event-related (ER) functional magnetic resonance imaging (fMRI) of the brain while performing a visual category learning task. The specific category learning task required subjects to extract the rules that guide classification of quasi-random patterns of dots into categories. Following each classification choice, visual feedback was presented. The average hemodynamic response was calculated across the eighteen subjects to identify the separate networks associated with both classification and feedback. Random-effects analyses identified the different networks implicated during the classification and feedback phases of each trial. The regions included prefrontal cortex, frontal eye fields, supplementary motor and eye fields, thalamus, caudate, superior and inferior parietal lobules, and areas within visual cortex. The differences between classification and feedback were identified as (i) overall higher volumes and signal intensities during classification as compared to feedback, (ii) involvement of the thalamus and superior parietal regions during the classification phase of each trial, and (iii) differential involvement of the caudate head during feedback. The effects of learning were then evaluated for both classification and feedback. Early in learning, subjects showed increased activation in the hippocampal regions during classification and activation in the heads of the caudate nuclei during the corresponding feedback phases. The findings suggest that early stages of prototype-distortion learning are characterized by networks previously associated with strategies of explicit memory and hypothesis testing. However as learning progresses the networks change. This finding suggests that the cognitive strategies also change during prototype-distortion learning. 相似文献
169.
Research has found that narcissists behave aggressively when they receive a blow to their ego. The current studies examined whether narcissistic aggression could be reduced by inducing a unit relation between the target of aggression and the aggressor. Experimental participants were told that they shared either a birthday (Study 1) or a fingerprint type (Study 2) with a partner. Control participants were not given any information indicating similarity to their partner. Before aggression was measured, the partners criticized essays written by the participants. Aggression was measured by allowing participants to give their partner loud blasts of noise through a pair of headphones. In the control groups, narcissists were especially aggressive toward their partner. However, narcissistic aggression was completely attenuated, even under ego threat, when participants believed they shared a key similarity with their partner. 相似文献
170.