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11.
De Lillo C Spinozzi G Palumbo M Giustino G 《Journal of experimental psychology. Animal behavior processes》2011,37(3):341-352
Humans show a global advantage when processing hierarchical visual patterns, and they detect the global level of stimulus structure more accurately and faster than the local level in several stimulus contexts. By contrast, capuchins (Cebus apella) and other monkey species show a strong local advantage. A key factor which, if manipulated, could cause an inversion of this effect in monkeys is still to be found. In this study, we examined whether it was possible to induce attention allocation to global and local levels of perceptual analysis in capuchin monkeys and if by doing so, their local dominance could be reversed. We manipulated attentional bias using a matching-to-sample (MTS) task where the proportion of trials requiring global and local processing varied between conditions. The monkeys were compared with humans tested with the same paradigm. Monkeys showed a local advantage in the local bias condition but a global advantage in the global bias condition. The role of attention in processing was confined to the local trials in a first phase of testing but extended to both local and global trials in the course of task practice. Humans exhibited an overall global dominance and an effect of attentional bias on the speed of processing of the global and local level of the stimuli. These results indicate a role for attention in the processing of hierarchical stimuli in monkeys and are discussed in relation to the extent to which they can explain the differences between capuchin monkeys and humans observed in this and other studies. 相似文献
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ASSESSMENT OF MENTAL DISORDERS IN PRESCHOOLERS: THE MULTIAXIAL PROFILES OF DIAGNOSTIC CLASSIFICATION 0–3 下载免费PDF全文
14.
Giuseppe Attanasi Astrid Hopfensitz Emiliano Lorini Frédéric Moisan 《Phenomenology and the Cognitive Sciences》2014,13(1):47-73
This paper investigates the influence that social ties can have on behavior. After defining the concept of social ties that we consider, we introduce an original model of social ties. The impact of such ties on social preferences is studied in a coordination game with outside option. We provide a detailed game theoretical analysis of this game while considering various types of players, i.e., self-interest maximizing, inequity averse, and fair agents. In addition to these approaches that require strategic reasoning in order to reach some equilibrium, we also present an alternative hypothesis that relies on the concept of team reasoning. After having discussed the differences between the latter and our model of social ties, we show how an experiment can be designed so as to discriminate among the models presented in the paper. 相似文献
15.
Tiziana Mancini Luca Caricati Giuseppe Marletta 《The Journal of social psychology》2018,158(2):173-186
This article reports on two studies investigating the role of intergroup contact on the reduction of prejudice against migrants and on organizational and health outcomes. Study 1 enrolled 624 native healthcare professionals and showed that frequent and positive contact with non-native co-workers was associated with a decrease in the professionals’ prejudice and an increase in the professionals’ perception of team functioning. These effects were mediated by reduced in-group threat perception. Study 2 enrolled 201 native patients and showed that frequent and positive contact with non-native healthcare providers was associated with a decrease in patients’ prejudice and an increase in patients’ satisfaction for the care received. These effects were mediated by reduced in-group threat perception. These novel findings showed that frequent and positive contact with non-native individuals can improve health and organizational outcomes along with facilitating positive intergroup relations. 相似文献
16.
This study investigates the acquisition of integrated object manipulation and categorization abilities through a series of experiments in which human adults and artificial agents were asked to learn to manipulate two‐dimensional objects that varied in shape, color, weight, and color intensity. The analysis of the obtained results and the comparison of the behavior displayed by human and artificial agents allowed us to identify the key role played by features affecting the agent/environment interaction, the relation between category and action development, and the role of cognitive biases originating from previous knowledge. 相似文献
17.
The Linguistic Intergroup Bias (LIB) illustrates the disposition to communicate positive in-group and negative out-group behaviors more abstractly than negative in-group and positive out-group behaviors. The present research examined the function of language in reinforcing this bias in political communication. To illustrate the LIB, the Linguistic Category Model (LCM) was used, including a nouns category. Because social stereotypes are usually conveyed by nominal terms, the aim was to observe the relationship between stereotypes and language in political communication. Moreover, we were interested in analyzing the psychological processes that drive the LIB. Therefore, we verified whether the LIB is more related to language abstractness than to agent-patient causality. Several political debates and interviews, which took place before the latest Italian provincial elections, were analyzed. Results suggested that the language politicians use in communicating about political groups are conceptualized as stereotypes rather than as trait-based categories. Moreover, it seems that the LIB could not be explained only at a lexical level. Social implications of the present findings in interpersonal relations and causal attribution were discussed. 相似文献
18.
Giuseppe Civitarese 《Psychoanalytic Dialogues》2013,23(4):388-403
The concept of Bion of O is both essential and elusive like few others. By its ambiguous nature it gives rise to the most disconcerting interpretations and many misunderstandings. Among these is the idea of inaugurating a “mystical” psychoanalysis. To refute this thesis, the author proposes a path of reading that is certainly personal and at times even impervious, but that aims to insert this notion within a theoretical framework that is as clear, logical and coherent as possible. The meaning of the concept of O is only delineated in the relationship with other key concepts (mainly: transformation, invariant and at-one-ment). It therefore escapes us if we do not take into account the dialectical tension that arises from this fruitful trade and if we do not pay attention to the always different discursive contexts in which it is found. But above all it is important to realize that the concept of O is peculiar also in comparison to other more clearly specified and circumscribed concepts of Bion. In fact, it itself consists of a constellation of concepts, as many names or partial definitions. 相似文献
19.
Giuseppe Mininni 《World Futures: Journal of General Evolution》2013,69(3):165-173
Recently the complexity of discursive practices has been widely acknowledged by the humanities and social sciences. In fact, to know anything is to know in terms of one or more discourse. The “discursive turn” in psychology may be considered as a new paradigm oriented to a correct study of (wo)man only if it is able to grasp the semiotical ground of psychic experience both as an “effort after meaning” and as a “struggle over meaning.” In this sense the notion of “diatext” has been proposed as a contribution in working out a psychosemiotical approach to understand how the discursive practices assign subject-positions to the agents of each interlocution scenario. 相似文献
20.
Fulvio Marzatico Laura Bertorelli Orietta Pansarasa Paola Guallini Carla Torri Giuseppe Biagini 《International journal of stress management》1998,5(4):223-236
We studied the role of free radicals on brain oxidative damage in rats after acute immobilization stress (restraint) and mild emotional stress (handling). To investigate brain oxidative damage, CuZn and Mn dependent superoxide dismutase (CuZn SOD, Mn SOD) activities, lipid peroxidation (TBARs), Na
+
K
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ATPase activity, protein carbonyl (PrC), and reduced and oxidized glutathione (GSH, GSSG) levels were measured in the cerebral cortex (CTX), hippocampus (HIP), and striatum (ST) of the animals after the two different stress stimuli. Because stress produces abnormalities in the hypothalamic-pituitary-adrenal axis, the intensity of the two stress conditions were measured by plasmatic corticosteroid (COR) levels: particularly, COR levels doubled in handled rats and increased 15-fold in restrained animals. The SOD activities increased in CTX and decreased in HIP of the handled rats, while in ST a significant decrease in handled animals but an increase in restrained animals occurred. TBARs, GSH, and GSSG levels remained unchanged, while an index of glutathione redox decreased significantly in ST of handled animals and in CTX of restrained ones. Na
+
K
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ATPase activity increased significantly in the HIP and ST of both groups of stressed rats. The stress induced a remarkable increase in PrC levels in all studied cerebral areas. These findings provide evidence to support the idea that stress produces oxidants but that the oxidative damage in stress differs in cerebral areas and could contribute to the degenerative mechanism of aging. 相似文献