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111.
Martin Andersson John Eric Llera Lars M. Rimol Kenneth Hugdahl 《Child neuropsychology》2013,19(5):470-479
The study examined top-down attention modulation of bottom-up processing in children and adults under conditions of varying bottom-up stimulus demands. Voiced and unvoiced consonant-vowel syllables were used in a dichotic-listening situation to manipulate the strength of the bottom-up stimulus-driven right ear advantage when subjects were instructed to focus attention on, and report, either the left or right ear stimulus. We predicted that children would differ from adults in their ability to use attention to modulate a lateralized ear advantage, and particularly when there was a conflict between the direction of the bottom-up ear advantage and the direction of the top-down attention instruction. Thirty children and 30 adults were presented with dichotic presentations of consonant-vowel syllables. The results showed that the voicing manipulation affected the strength of the ear advantage, and that the children performed significantly below the adults when the voicing parameter caused a strong conflict between bottom-up and top-down processing. Thus, children seem to lack the cognitive flexibility necessary to modulate a stimulus-driven bottom-up ear advantage, particularly in situations where right ear advantage (REA) is enhanced by the acoustic properties of the stimuli and attentional demands require a left ear shift. It is suggested that varying the stimulus demands in a dichotic-listening situation may be a novel way to study cognitive development. 相似文献
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113.
Lars Nyberg 《Memory (Hove, England)》2013,21(5-6):345-348
This paper briefly reviews two central assumptions of the levels-of-processing framework in the light of findings from recent PET and fMRI studies: First, to address the suggestion that memory traces can be seen as records of analyses carried out for the purposes of perception and comprehension, studies on encoding-retrieval overlap in brain activation patterns are considered. Second, to address the suggestion that deeper, more semantic, processing results in more durable traces, studies of how encoding activity relates to processing depth and subsequent memory performance are examined. The results show that some of the sensory regions that are activated during initial perception are subsequently reactivated during retrieval, and activity in frontal and medial-temporal brain regions is related to depth of processing and level of memory performance. Collectively, these results provide support for central components of the levels framework. 相似文献
114.
ABSTRACT A wide range of methods exists for on-site visitor monitoring in parks and recreation areas. Self-registration methods have proven to be popular because of their low cost and relative ease of administration, but little is known about the extent to which the data collected from self-registration boxes are representative of the population of visitors, and the degree that bias exists as a result of non-compliance. This article examines these concerns based on research at Fulufjället National Park in Sweden. On-site registration card and follow-up mail survey data from a sample of visitors who did not voluntarily register were compared with the same kind of data for visitors who did register voluntarily. In total, 10 registration card items and 284 mail survey items were tested for variations between compliant and non-compliant visitors. Of these, one third of the card items, 12% and 3% of the survey items for Swedish and German visitors, respectively, yielded statistically significant differences. Implications for management and suggestions for further research are discussed. 相似文献
115.
Lars BÄCkman Ake Wahlin 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(4):312-325
Abstract This research investigated the influence of organizational structure in the materials and category cues at retrieval on episodic memory performance in very old age. A community-based sample of healthy, very old adults (N = 224) between 75 and 96 years was presented with two lists of words: a list of semantically unrelated words and a list of words from four taxonomic categories randomly intermixed. Free recall was assessed for both tasks and, for the organizable list, subjects received a cued recall test as well. Results showed an overall age-related deterioration of memory performance, although the ability to utilize item organizability and retrieval cues remained intact across age. Evidence from data on memory performance, as well as analyses of the nature of organizable free recall, suggests that problems at both encoding and retrieval may underlie the age-related performance deficit. In addition, there were age-related increases in (a) forgetting between free and cued recall, and (b) intrusion errors. Finally, regression analyses indicated that, in addition to age, level of schooling as well as markers of general cognitive status (the Mini-Mental State Examination) and fluid intelligence (Block Design) accounted for performance variation across all memory tasks. 相似文献
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117.
Aline Vater Michela Schröder-Abé Kathrin Ritter Babette Renneberg Lars Schulze Jennifer K. Bosson 《Journal of personality assessment》2013,95(3):301-308
The Narcissistic Personality Inventory (NPI) has dominated research on narcissism in the field of social and personality psychology. Surprisingly, it is unclear whether the NPI is useful for identifying pathological narcissism in patients with Narcissistic Personality Disorder (NPD). The goal of this study was to close this research gap. We used an extreme-group approach by including NPD patients and healthy controls and comparing their narcissism scores. We further investigated whether explicit self-esteem (assessed with the Rosenberg Self-Esteem Scale) suppressed the relationship between group membership and NPI narcissism. According to our results, NPD patients do not score higher on the NPI in comparison to healthy controls. Analysis of indirect effects revealed that differences in NPI scores are suppressed by NPD patients’ low self-esteem. Our results indicate that the NPI is not a valid indicator of NPD, unless one controls for self-esteem. Implications for future research are discussed. 相似文献
118.
Merethe Nygård Else‐Marie Løberg Alexander R. Craven Lars Ersland Jan Øystein Berle Rune A. Kroken Erik Johnsen Kenneth Hugdahl 《Scandinavian journal of psychology》2013,54(6):443-450
Schizophrenia is characterized by cognitive impairment, especially in relation to executive functions. Brain structural abnormalities are also often seen in schizophrenia although little is known of the relationship between cognitive impairment and structural brain changes. Our aim was therefore to investigate this relationship further using MRI and a dichotic listening (DL) task with simple speech sounds and with instructions to focus attention and report only from the left or right ear stimulus. When instructed to focus attention on the left ear syllable a cognitive conflict is induced requiring the allocation of executive resources to be resolved. Grey matter (GM) volume was measured with MRI from four volumes of interests (VOIs), left and right frontal and temporal cortex, respectively, and correlated with DL performance. The results showed significant differences between the groups in their ability to focus attention on and report the left ear stimulus, which was accompanied by reduced GM volume in the left frontal and right temporal lobe VOIs. There was also a significant positive correlation between left frontal GM volume and performance on the DL task, for the groups combined. The results did not support a conclusion that an impairment in cognitive function in schizophrenia was driven by an corresponding impairment in brain structure, since there were no significant correlations when the groups were analyzed separately. It is however concluded that patients with schizophrenia are impaired in executive functions and that they also show reduced GM volumes in left frontal and right temporal lobe areas, compared to healthy controls. 相似文献
119.
Lars Sandbeck 《Studia Theologica》2013,67(1):18-38
This article aims at describing and evaluating Mark C. Taylor's and John D. Caputo's ideas about God as immanent transcendence. In the first part, the article provides a basic typology of immanent transcendence; the second and third parts present Taylor's and Caputo's philosophies of religion. It is shown that the two authors emphasize two different aspects of immanent transcendence which strongly affect their understandings of God. In Taylor, God is described in terms of imagination, while Caputo refers to God as an event. In the final section, the article then, for heuristic purposes, introduces a distinction between “pagan,” “Judaic,” and “Christian” interpretations of God as immanent transcendence, and argues that Taylor's God of imagination is more “pagan” than “Christian” and that Caputo's God of the event exemplifies a “messianic Judaism.” Here the article offers a few critical remarks as it attempts to develop an outline of a more “Christian” understanding of immanent transcendence. 相似文献
120.