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   206篇
  免费   30篇
  2021年   4篇
  2020年   3篇
  2019年   5篇
  2018年   5篇
  2017年   3篇
  2016年   7篇
  2015年   4篇
  2014年   5篇
  2013年   13篇
  2012年   6篇
  2011年   4篇
  2010年   10篇
  2009年   3篇
  2008年   10篇
  2007年   10篇
  2006年   3篇
  2005年   6篇
  2004年   4篇
  2003年   7篇
  2002年   4篇
  2001年   4篇
  2000年   7篇
  1999年   5篇
  1998年   6篇
  1995年   2篇
  1994年   4篇
  1993年   3篇
  1992年   8篇
  1991年   6篇
  1990年   4篇
  1989年   4篇
  1988年   3篇
  1987年   5篇
  1986年   2篇
  1985年   3篇
  1984年   2篇
  1983年   3篇
  1981年   3篇
  1978年   2篇
  1977年   3篇
  1976年   6篇
  1975年   3篇
  1972年   2篇
  1971年   3篇
  1970年   2篇
  1968年   2篇
  1966年   2篇
  1963年   2篇
  1962年   3篇
  1958年   3篇
排序方式: 共有236条查询结果,搜索用时 31 毫秒
71.
Twitter, an online application, allows users to post microblog statements in real time. Have psychologists in leadership positions adopted Twitter? What ethical standards are navigated in doing so? Little research has examined the adoption rate of Twitter within a sample of psychologists. This article outlines a series of case vignettes depicting ethical dilemmas encountered by psychologists who adopt Twitter. Data reviewing Twitter adoption by professional psychologists who served as president within psychology advocacy organizations reveal higher adoption rates from student group leaders than professional organization advocacy presidents. Implications for ethical standards and professional development are discussed.  相似文献   
72.
A robust body of research has documented how expressive writing about difficult or traumatic experiences can be beneficial across a range of domains. Relatively little research, on the other hand, has documented the impact of expressive writing activities on positive events. In this randomized controlled trial, adolescents (N = 350) beginning ninth grade in three schools serving mostly low-income students of color participated in a 45-min writing workshop. They were prompted to write about either a negative or positive life event, then edit their writing to include themes thought to insulate them from the possible threats to identity that can come with the transition to high school. We find evidence that positive expressive writing activities are more academically beneficial than expressive writing about negative events. Compared with students who wrote about a failure and subsequent resilience, students who detailed how they attained an important success showed a more positive trajectory for absences (β = −.417; p = .008) and detentions (β = −.962; p = .034), and those who wrote about a generally happy life event showed a better trajectory for grade point average (β = .622; p = .043). Exploratory analyses also show that, regardless of condition, including themes of the “self as competent” and “savoring” good experiences was associated with improved academic outcomes. Including themes of “resilience” was not, across conditions, associated with improved outcomes unless students at the same time included “self as competent” themes.  相似文献   
73.
Hippocampal damage and amnesia following hypoxia and ischemia are described in the few published adult cases of suicide attempt by hanging. However, a recent review (Caine &; Watson, 2000 Caine, D. and Watson, J. D. 2000. Neuropsychological and neuropathological sequelae of cerebral anoxia: A critical review. Journal of the International Neuropsychology Society, 6: 8699. [CROSSREF][Crossref], [PubMed], [Web of Science ®] [Google Scholar]) suggests a variable pattern of brain involvement and neuropsychological impairments following hypoxic-ischemic injury that may or may not involve amnesia. To help clarify the impact of hanging on the developing brain, we examined neuropsychological functioning in two adolescents who survived suicide attempt by hanging. Despite differences in Glasgow Coma Scale (GCS), coma duration, and structural imaging findings, both patients had similar IQ (VIQ > PIQ) and presented with various combinations of deficits in expressive/receptive language, visual-constructional and perceptual ability, processing speed, attention, working memory, and/or executive functioning shortly after injury. In spite of their similarities, only one of the patients presented with classic amnesia symptoms in his early recovery. This patient was evaluated 1 year postinjury, and persistent deficits in processing speed and memory encoding were noted. Several hanging-related variables, including longer estimated hanging duration, greater weight, and severe airway edema, were thought to place this patient at increased risk for cognitive deficits. Clinical MRI scans of this patient obtained 6 weeks postinjury revealed mild volume loss as well as abnormalities in bilateral superior cortex. However, CT and MRI scans obtained throughout early recovery did not reveal overt evidence of injury to specific memory-related structures. Comprehensive neuropsychological evaluation of all adolescent survivors of suicide attempt by hanging is recommended, as a variety of postacute cognitive deficits were observed in these patients despite relatively short (≤ 15 minutes) estimated hanging durations.  相似文献   
74.
Through content analysis of adult autobiographies, this study explored possible developmental antecedents of generativity—an adult’s commitment to caring for and contributing to the well-being of future generations. A sample of 158 African-American and Euro-American adults in their late 50s completed self-report measures of generativity and various forms of societal engagement, and then each participant was interviewed in depth to tell the story of his or her life. Replicating past studies, generativity was positively associated with current political and civic engagement and with involvement in religious institutions. For the entire sample, high levels of generativity were predicted by narrative accounts of positive socializing influences coming from the family, teachers and mentors, the education system, and other valued societal institutions. Among the African-American subsample, however, socioeconomic status trumped these positive socializing influences as a strong statistical predictor of generativity, even as African-Americans scored higher than Euro-Americans on both generativity and positive socializing influences. Gender differences also emerged. The results suggest that both social class and positive socializing influences from individuals and institutions may shape generativity for midlife American adults and that these developmental relationships may differ as a function of race/ethnicity and gender.  相似文献   
75.
Free Semantics     
Free Semantics is based on normalized natural deduction for the weak relevant logic DW and its near neighbours. This is motivated by the fact that in the determination of validity in truth-functional semantics, natural deduction is normally used. Due to normalization, the logic is decidable and hence the semantics can also be used to construct counter-models for invalid formulae. The logic DW is motivated as an entailment logic just weaker than the logic MC of meaning containment. DW is the logic focussed upon, but the results extend to MC. The semantics is called ‘free semantics’ since it is disjunctively and existentially free in that no disjunctive or existential witnesses are produced, unlike in truth-functional semantics. Such ‘witnesses’ are only assumed in generality and are not necessarily actual. The paper sets up the free semantics in a truth-functional style and gives a natural deduction interpetation of the meta-logical connectives. We then set out a familiar tableau-style system, but based on natural deduction proof rather than truth-functional semantics. A proof of soundness and completeness is given for a reductio system, which is a transform of the tableau system. The reductio system has positive and negative rules in place of the elimination and introduction rules of Brady’s normalized natural deduction system for DW. The elimination-introduction turning points become closures of threads of proof, which are at the points of contradiction for the reductio system.  相似文献   
76.
The neural basis of self-recognition is mainly studied using brain-imaging techniques which reveal much about the localization of self-processing in the brain. There are comparatively few studies using EEG which allow us to study the time course of self-recognition. In this study, participants monitored a sequence of images, including 20 distinct images of their own face, a friend’s face and a stranger’s face articulating different speech sounds, while EEG was recorded from 64 scalp electrodes. Differences in the ERP waveforms were observed very early on, with increased N170 and VPP amplitude to self relative to both friend and stranger measured over posterior and fronto-central sites, respectively. This ‘self effect’ was also marked at ∼250 ms where P2/N2 amplitude was significantly reduced for self-faces. By comparison, differences between friend and stranger faces did not emerge until 250 ms and beyond, where a more conventional ‘familiarity effect’ was observed. The data also point to a ‘less lateralized’ representation of self over posterior sites. These findings are consistent with both behavioral and fMRI studies which suggest that self-face processing is ‘special’ and are discussed with reference to EEG studies of face processing.  相似文献   
77.
The paper reviews a number of approaches for handling restricted quantification in relevant logic, and proposes a novel one. This proceeds by introducing a novel kind of enthymematic conditional.  相似文献   
78.
79.
The aim of the present study was to investigate the relationships among a broad range of obsessive–compulsive disorder (OCD) symptoms and obsessional beliefs in a clinical sample of OCD patients. Ninety-nine treatment-seeking adult OCD patients completed the Obsessive Beliefs Questionnaire and the Obsessive–Compulsive Inventory-Revised. Hierarchical regression analyses, controlling for comorbid symptoms, suggested that washing was predicted by responsibility/threat estimation beliefs. Checking/doubting was not predicted by any obsessional beliefs. Hoarding was predicted by perfectionism/certainty beliefs. Neutralizing was predicted by responsibility/threat estimation beliefs. Obsessing was predicted by importance/control of thoughts and perfectionism/certainty beliefs. Ordering was predicted by perfectionism/certainty beliefs. A principal components analysis of OCD symptom dimensions and accompanying beliefs yielded two components, accounting for 53% of the variance: one, which was labeled “Fear/Threat,” consisted of importance/control of thoughts, obsessing, responsibility/threat estimation, and washing. The second, which was labeled “Incompleteness/Not Just Right,” consisted of neutralizing, perfectionism/certainty, checking/doubting, and hoarding.  相似文献   
80.
In this paper, we examine Shaun Gallagher’s project of “naturalizing” phenomenology with the cognitive sciences: front-loaded phenomenology (FLP). While we think it is a productive proposal, we argue that Gallagher does not employ genetic phenomenological methods in his execution of FLP. We show that without such methods, FLP’s attempt to locate neurological correlates of conscious experience is not yet adequate. We demonstrate this by analyzing Gallagher’s critique of cognitive neuropsychologist Christopher Frith’s functional explanation of schizophrenic symptoms. In “constraining” Gallagher’s FLP program, we discuss what genetic phenomenological method is and why FLP ought to embrace it. We also indicate what types of structures a genetically modified FLP will consider, and how such an approach would affect the manner in which potential neurological correlates of conscious experience are conceptually understood and experimentally investigated.
Kyle Powys WhyteEmail:
  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