全文获取类型
收费全文 | 1276篇 |
免费 | 58篇 |
国内免费 | 1篇 |
专业分类
1335篇 |
出版年
2021年 | 7篇 |
2020年 | 18篇 |
2019年 | 20篇 |
2018年 | 30篇 |
2017年 | 30篇 |
2016年 | 29篇 |
2015年 | 25篇 |
2014年 | 33篇 |
2013年 | 169篇 |
2012年 | 44篇 |
2011年 | 38篇 |
2010年 | 29篇 |
2009年 | 35篇 |
2008年 | 45篇 |
2007年 | 44篇 |
2006年 | 64篇 |
2005年 | 55篇 |
2004年 | 26篇 |
2003年 | 36篇 |
2002年 | 31篇 |
2001年 | 23篇 |
2000年 | 24篇 |
1999年 | 31篇 |
1998年 | 27篇 |
1997年 | 23篇 |
1996年 | 12篇 |
1995年 | 18篇 |
1994年 | 14篇 |
1993年 | 21篇 |
1992年 | 13篇 |
1991年 | 30篇 |
1990年 | 20篇 |
1989年 | 23篇 |
1988年 | 12篇 |
1987年 | 10篇 |
1986年 | 12篇 |
1985年 | 15篇 |
1984年 | 18篇 |
1983年 | 10篇 |
1982年 | 20篇 |
1981年 | 16篇 |
1980年 | 8篇 |
1979年 | 15篇 |
1978年 | 8篇 |
1976年 | 11篇 |
1975年 | 11篇 |
1974年 | 11篇 |
1968年 | 12篇 |
1967年 | 6篇 |
1966年 | 7篇 |
排序方式: 共有1335条查询结果,搜索用时 7 毫秒
81.
Graham KS Lee AC Brett M Patterson K 《Cognitive, affective & behavioral neuroscience》2003,3(3):234-254
A novel, neuropsychologically informed paradigm (extended retrieval of events in response to a cue word) was used to investigate the neural basis of autobiographical and semantic memory. Contrasting retrieval of autobiographical memories with retrieval of semantic facts (ABM-SEM) in 24 subjects across three PET studies revealed bilateral involvement of the middle temporal gyrus (BA 21) and medial frontal cortex (BA 9/10). The opposite contrast, SEM-ABM, resulted in increased regional cerebral blood flow in left posterior temporal regions (BA 37) and left prefrontal cortex (BA 45/46). Laterality maps suggest that the bilateral pattern seen in our studies, but not often in other neuroimaging investigations, reflects the use of a task stressing retrieval of specific personal events. Further comparisons revealed that the activation in the right anterior temporal lobe during autobiographical recall was virtually identical to that seen during retrieval of information about famous people or events in contrast with retrieval of general semantic facts. These findings suggest that the retrieval of an autobiographical event requires participation from conceptual knowledge, and that this type of knowledge is bilaterally distributed in the temporal lobes. 相似文献
82.
83.
Nine patients with semantic dementia (the temporal lobe variant of frontotemporal dementia) were asked to define concrete concepts either from presentation of a picture of the object or from its spoken name. As expected, the patients with the most severe semantic impairment produced the least detailed definitions, and the quality of the definitions overall was significantly related to concept familiarity. Further analyses of the definitions were designed to assess two key theoretical aspects of semantic organization. (i) Do objects and their corresponding names activate conceptual information in two neuroanatomically separable (modality-specific) semantic systems? If so, then-apart from any expected commonality in performance attributable to factors such as concept familiarity-one would not predict striking item-specific similarities in a patient's picture- and word-elicited definitions. (ii) Do sensory/perceptual features and more associative/functional attributes of conceptual knowledge form two neuroanatomically separable subsystems? If so, then one would predict significant dissociations in the prominence of these two types of information in the patients' definitions. The results lead us to favor a model of the semantic system that is divided by attribute type but not by modality. 相似文献
84.
Performance in the Wason card selection task is often improved given thematic content. Such content effects have been considered evidence against human rationality. We propose that the role of content lies in specifying premises underlying "if P, then Q" rules. Unlike thematic rules, abstract conditional rules do not explicitly provide material interpretation (P is a sufficient but not necessarily a necessary condition for Q), resulting in nonnormative responses. When necessity–sufficiency relations were explicated, normative responses were elicited and effects of other logically irrelevant components disappeared. The results suggest that content effects are compatible with human rationality. 相似文献
85.
Seventeen-month-old infants were presented with pairs of images, in silence or with the non-directive auditory stimulus ‘look!’. The images had been chosen so that one image depicted an item whose name was known to the infant, and the other image depicted an image whose name was not known to the infant. Infants looked longer at images for which they had names than at images for which they did not have names, despite the absence of any referential input. The experiment controlled for the familiarity of the objects depicted: in each trial, image pairs presented to infants had previously been judged by caregivers to be of roughly equal familiarity. From a theoretical perspective, the results indicate that objects with names are of intrinsic interest to the infant. The possible causal direction for this linkage is discussed and it is concluded that the results are consistent with Whorfian linguistic determinism, although other construals are possible. From a methodological perspective, the results have implications for the use of preferential looking as an index of early word comprehension. 相似文献
86.
87.
88.
89.
Knowledge, Technology &; Policy - 相似文献
90.