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81.
Alison Montagrin Virginie Sterpenich Tobias Brosch Didier Grandjean Jorge Armony Leonardo Ceravolo David Sander 《Cognitive, affective & behavioral neuroscience》2018,18(6):1269-1282
Emotional situations are typically better remembered than neutral situations, but the psychological conditions and brain mechanisms underlying this effect remain debated. Stimulus valence and affective arousal have been suggested to explain the major role of emotional stimuli in memory facilitation. However, neither valence nor arousal are sufficient affective dimensions to explain the effect of memory facilitation. Several studies showed that negative and positive details are better remembered than neutral details. However, other studies showed that neutral information encoded and coupled with arousal did not result in a memory advantage compared with neutral information not coupled with arousal. Therefore, we suggest that the fundamental affective dimension responsible for memory facilitation is goal relevance. To test this hypothesis at behavioral and neural levels, we conducted a functional magnetic resonance imaging study and used neutral faces embedded in goal-relevant or goal-irrelevant daily life situations. At the behavioral level, we found that neutral faces encountered in goal-relevant situations were better remembered than those encountered in goal-irrelevant situations. To explain this effect, we studied neural activations involved in goal-relevant processing at encoding and in subsequent neutral face recognition. At encoding, activation of emotional brain regions (anterior cingulate, ventral striatum, ventral tegmental area, and substantia nigra) was greater for processing of goal-relevant situations than for processing of goal-irrelevant situations. At the recognition phase, despite the presentation of neutral faces, brain activation involved in social processing (superior temporal sulcus) to successfully remember identities was greater for previously encountered faces in goal-relevant than in goal-irrelevant situations. 相似文献
82.
83.
Goñi J Arrondo G Sepulcre J Martincorena I Vélez de Mendizábal N Corominas-Murtra B Bejarano B Ardanza-Trevijano S Peraita H Wall DP Villoslada P 《Cognitive processing》2011,12(2):183-196
Semantic memory is the subsystem of human memory that stores knowledge of concepts or meanings, as opposed to life-specific experiences. How humans organize semantic information remains poorly understood. In an effort to better understand this issue, we conducted a verbal fluency experiment on 200 participants with the aim of inferring and representing the conceptual storage structure of the natural category of animals as a network. This was done by formulating a statistical framework for co-occurring concepts that aims to infer significant concept-concept associations and represent them as a graph. The resulting network was analyzed and enriched by means of a missing links recovery criterion based on modularity. Both network models were compared to a thresholded co-occurrence approach. They were evaluated using a random subset of verbal fluency tests and comparing the network outcomes (linked pairs are clustering transitions and disconnected pairs are switching transitions) to the outcomes of two expert human raters. Results show that the network models proposed in this study overcome a thresholded co-occurrence approach, and their outcomes are in high agreement with human evaluations. Finally, the interplay between conceptual structure and retrieval mechanisms is discussed. 相似文献
84.
Rats were trained in a one-trial step-down inhibitory avoidance task at the age of 3 months and tested for retention 1 day later, or 3, 6, 9, 12, 15, and 19 months later, i.e., when the animals were 3, 6, 9, 12, 15, 18, or 22 months of age. Retrieval performance declined with time and was undetectable in the last two age groups. Exposure to an unrelated novel environment (a square box lined with black plastic) 1 h before retention testing enhanced retrieval at all ages, regardless of the decline in the level of test session performance. The effect cannot be explained by an anxiogenic effect of the novelty box, or by an influence of novelty on locomotion or exploration, or by a nonspecific influence of exposure to novelty on step-down latency in the inhibitory avoidance apparatus. 相似文献
85.
The study explored the association between the perceptions 175 Chilean business students held about their parents' acceptance of academic dishonesty and their self-reports of academic dishonesty. Regressing scores for parental acceptance onto self-reported academic dishonesty indicated it accounted for a small (2.2%) but significant amount of variance beyond demographic and academic performance variables. Effect size analysis based on structure coefficients indicated that parental acceptance was the second best predictor in the equation, suggesting that parental acceptance is a correlate that merits further study. 相似文献
86.
87.
It is shown that the notions of aggressive behavior as ‘intentional emission of noxious stimulation’ (Buss, 1961, 1963, 1966, 1971) and that of ‘injuriating goal response’ (Dollard, Doob, Miller, Mower and Sears, 1939) are identical. The usefulness of these theories to predict S's reaction to the reception of a given noxious stimulation is questioned. It is suggested that S's reactions to noxious stimulation may or may not be aggressive, depending on whether the noxious stimulation S receives is interpreted as being a behavior justified by the nom in the situation, or as reflecting an aggressive intent of O. It is hypothesized that the norms established in the situation depend on (i) victim's perception of the noxious stimulation received as being instrumental for O's goal attainment, (ii) victim's perception of the value of O's goal, and (iii) the value of victim's own goal. The establishment of norms regulating the exchange of noxious stimulation between Ss is operationalized in two experiments. Aggression, defined as an infringement of these norms, is measured. In Experiment I, participate 56 female students, and in Experiment 2, 80 male students. Subject is alternately victim (he performs a sensorimotor task and receives an electric shock) and aggressor (he shocks the other S). In Experiment I it is found that Ss counteraggress faster and more frequently if they interpret the shock received from the partner as an infringement of the norm. In Experiment 2, Ss do not counteraggress more frequently, but they do counteraggress faster and evaluate O more negatively. It is concluded that the results clearly contradict current positions and favor the authors' cognitive reformulation of the determinants of aggressive behavior. 相似文献
88.
Jorge L. Mendoza 《Psychometrika》1993,58(4):601-615
The validity of a test is often estimated in a nonrandom sample of selected individuals. To accurately estimate the relation between the predictor and the criterion we correct this correlation for range restriction. Unfortunately, this corrected correlation cannot be transformed using Fisher'sZ transformation, and asymptotic tests of hypotheses based on small or moderate samples are not accurate. We developed a Fisherr toZ transformation for the corrected correlation for each of two conditions: (a) the criterion data were missing due to selection on the predictor (the missing data were MAR); and (b) the criterion was missing at random, not due to selection (the missing data were MCAR). The twoZ transformations were evaluated in a computer simulation. The transformations were accurate, and tests of hypotheses and confidence intervals based on the transformations were superior to those that were not based on the transformations. 相似文献
89.
90.
Holly S. Howe Lingrui Zhou Rodrigo S. Dias Gavan J. Fitzsimons 《Journal of Consumer Psychology》2023,33(1):107-114
We examine whether the cleverness of a brand's humor attempt affects consumers' brand attitudes and engagement. A clever humor attempt is any humor attempt wherein the consumer feels she must make mental connections to solve the joke (e.g., understand a cultural reference, understand the dual meaning of a pun). Across five studies, we demonstrate that as the cleverness of a humor attempt increases, consumers report higher brand attitudes and are more engaged with the brand. This effect is mediated by perceptions of brand warmth and competence and moderated by consumers' need for cognition. 相似文献