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排序方式: 共有179条查询结果,搜索用时 31 毫秒
71.
The aims of the present study were to identify (i) home advantage in elite handball according to the quality of opponent, (ii) the game periods where the teams score more goals, and (iii) the game statistics associated with the teams' success according to the game's location. The sample comprised 480 regular season games (2007-2009) from the Spanish Professional Handball League. The goals scored and shot effectiveness (6 m, 7 m, 9 m and fast breaks) were analyzed for each 5-min. game period in games between players of balanced and unbalanced quality. The home advantage was 64%, with higher values (71%) in balanced and lower values (55%) in unbalanced games. The 5-min. game periods in which teams scored more goals were the last 5-min. period of each half, especially in the second half. The effectiveness was only different in shots closer to the goal (6 m), which supports the territoriality theory of home advantage.  相似文献   
72.
This study explores the multidimensional nature of religiosity on substance use among adolescents living in central Mexico. From a social capital perspective, this article investigates how external church attendance and internal religious importance interact to create differential pathways for adolescents, and how these pathways exert both risk and protective influences on Mexican youth. The data come from 506 self-identified Roman Catholic youth (ages 14–17) living in a semi-rural area in the central state of Guanajuato, Mexico, and attending alternative secondary schools. Findings indicate that adolescents who have higher church attendance coupled with higher religious importance have lower odds of using alcohol, while cigarette use is lower among adolescents who have lower church attendance and lower religious importance. Adolescents are most at risk using alcohol and cigarettes when church attendance is higher but religious importance is lower. In conclusion, incongruence between internal religious beliefs and external church attendance places Mexican youth at greater risk of alcohol and cigarette use. This study not only contributes to understandings of the impact of religiosity on substance use in Mexico, but highlights the importance of understanding religiosity as a multidimensional phenomenon which can lead to differential substance use patterns.  相似文献   
73.
According to social dominance theory, intergroup dynamics are strongly influenced by the social positions which individuals hold in society. Several studies suggest that holding a position of power can, sometimes automatically, generate negative attitudes and hostile behaviors toward subordinate social groups. However, at present, the studies carried out on these effects of power have not taken into account the influence of the normative context. Based on the distinction made by Sidanius and Pratto between “hierarchy‐enhancing” (HE) vs. “hierarchy‐attenuating” (HA) environments, this study examines if the effects of power on legitimizing cognitions vary as a function of the normative environment. A laboratory study and a study conducted in a natural environment confirm our hypothesis that individuals holding a powerful or dominant social role in a HE setting differ significantly from individuals holding an equally powerful role in a HA setting. The effects of power observed in past research probably resulted from studying power in hierarchy‐enhancing environments, but not in hierarchy‐attenuating ones.  相似文献   
74.
It has been shown that the brain has its own intrinsic renin-angiotensin system (RAS) and angiotensin-(1-7) (Ang-(1-7)) is particularly interesting, because it appears to counterbalance most of the Ang II effects. Ang-(1-7) exerts its biological function through activation of the G-protein-coupled receptor Mas. Interestingly, hippocampus is one of the regions with higher expression of Mas. However, the role of Ang-(1-7)/Mas axis in hippocampus-dependent memories is still poorly understood. Here we demonstrated that Mas ablation, as well as the blockade of Mas in the CA1-hippocampus, impaired object recognition memory (ORM). We also demonstrated that the blockade of Ang II receptors AT1, but not AT2, recovers ORM impairment of Mas-deficient mice. Considering that high concentrations of Ang-(1-7) may activate AT1 receptors, nonspecifically, we evaluate the levels of Ang-(1-7) and its main precursors Ang I and Ang II in the hippocampus of Mas-deficient mice. The Ang I and Ang II levels are unaltered in the whole hipocampus of MasKo. However, Ang-(1-7) concentration is increased in the whole hippocampus of MasKo mice, as well as in the CA1 area. Taken together, our findings suggest that the functionality of the Ang-(1-7)/Mas axis is essential for normal ORM processing.  相似文献   
75.
Exercise induces brain function adaptations and improves learning and memory; however the time window of exercise effects has been poorly investigated. Studies demonstrate an important role for cyclooxygenase-2 (COX-2) pathway function in the mechanisms underlying memory formation. The aim of present work was to investigate the effects of treadmill exercise on aversive memory and COX-2, PGE(2) and E-prostanoid receptors contents in the rat hippocampus at different time points after exercise has ended. Adult male Wistar rats were assigned to non-exercised (sedentary) and exercised (running daily for 20min, for 2weeks) groups. The inhibitory avoidance task was used to assess aversive memory and the COX-2, PGE(2) and E-prostanoid receptors (EP1, EP2, EP3 and EP4) levels were determined 1h, 18h, 3days or 7days after the last training session of treadmill exercise. The step down latency in the inhibitory avoidance, COX-2 and EP4 receptors levels were acutely increased by exercise, with a significant positive correlation between aversive memory performance and COX-2 levels. Increased EP2 content decreased PGE(2) levels were observed 7days after the last running session. The treadmill exercise protocol facilitates inhibitory avoidance memory and induces time-dependent changes on COX-2 pathways function (COX-2, PGE(2) and EP receptors).  相似文献   
76.
Affiliative stimuli are pleasant and highly biologically relevant. Affiliative cues are thought to elicit a prosocial predisposition. Here affiliative and neutral pictures were exposed prior to a reaction time task which consisted in responding to a visual target. Half the participants responded with finger-flexion, a movement frequently involved in prosocial activities. The other half responded with finger extension, a less prosocially compatible movement. Results showed that under the exposure to affiliative pictures, as compared to neutral ones, participants who used finger flexion were faster, while those using finger extension were slower. Performance benefits to the task, when flexing the finger, together with performance costs, when extending it, indicate the relevance of movement compatibility to the context. These findings put forward a possible link between affiliative primers and motor preparation to facilitate a repertoire of movements related to prosocial predispositions including finger flexion.  相似文献   
77.
Studies investigating factors that influence tone recognition generally use recognition tests, whereas the majority of the studies on verbal material use self-generated responses in the form of serial recall tests. In the present study we intended to investigate whether tonal and verbal materials share the same cognitive mechanisms, by presenting an experimental instrument that evaluates short-term and working memories for tones, using self-generated sung responses that may be compared to verbal tests. This paradigm was designed according to the same structure of the forward and backward digit span tests, but using digits, pseudowords, and tones as stimuli. The profile of amateur singers and professional singers in these tests was compared in forward and backward digit, pseudoword, tone, and contour spans. In addition, an absolute pitch experimental group was included, in order to observe the possible use of verbal labels in tone memorization tasks. In general, we observed that musical schooling has a slight positive influence on the recall of tones, as opposed to verbal material, which is not influenced by musical schooling. Furthermore, the ability to reproduce melodic contours (up and down patterns) is generally higher than the ability to reproduce exact tone sequences. However, backward spans were lower than forward spans for all stimuli (digits, pseudowords, tones, contour). Curiously, backward spans were disproportionately lower for tones than for verbal material-that is, the requirement to recall sequences in backward rather than forward order seems to differentially affect tonal stimuli. This difference does not vary according to musical expertise.  相似文献   
78.
The phenomenon of cheating in higher education is of overwhelming importance in that the students engaging in these acts are unlikely to have the skills necessary for their future professional life. Despite its relevance, the empirical evaluation of cheating in universities has been almost exclusively focused on the US context. Little is known about cheating at the European level, let alone in Portugal. Even less is explored at the regional level. In this paper we present evidence on the perception of cheating by Portuguese undergraduate students of economics/business degrees. We undertake a large-scale survey, involving 2675 students from all Portuguese mainland public universities (10). We found that copying-favourable environments are associated with a higher propensity to cheat. Moreover, in universities where ‘codes of honour’ exist, this propensity tends to be lower. Finally, the propensity to copy seems to be highly influenced by the cultural systems and socially-related factors of different regions.  相似文献   
79.
Abstract

The purpose of this article is to study in the clinic the incidence of so-called perverse phenomena in relationships, in order to find out when these phenomena depend on a perverse organization and when they are only a kind of erotic game between the couple, in both hetero- and homosexual aspects. The first difficulty was to find a definition of “perversion” shared by the authors who have carried out research on the subject and consequently to determine what characterizes a perverse marital bond. In contrast to neurosis, which can be defined by the use of the repression mechanism, the mechanism of disavowal is not exclusive for perversion since it can be found even in other psychical arrangements. Is it, then, a structure or a psychological organization? It is also considered to be a “truth” in psychoanalysis that the pervert cannot be analyzed. But is it the pervert who cannot be analyzed, or is it the analyst who cannot bear listening to him? Do the theoretical references of the analyst not give sufficient theoretical support to maintain his listening? This paper presents the hypothesis that perversion is an attempt – always a frustrated one, and for this reason indefinitely repeated – to elaborate a trauma in which the pervert, identified with the traumatic agent, touches a point equally traumatic for his partner, turning the partner into an object of enjoyment. This arrangement allows the pervert, at least in his imagination, to leave the suffered trauma behind, adopting towards the object a position of activity and domination. Identifying with the aggressor, he leaves his partner paralyzed in the traumatic point, a situation that he knows all too well.

dos Reis Filho JT, et al Trauma, Perversion und eheliche Bande

Der Artikel untersucht klinische Fällen von sogenannter Perversion in Beziehungen, mit dem Ziel herauszufinden, wann es sich um eine perverse Organisation und wann es sich lediglich um eine spezielle Art von erotischem Spiel zwischen dem Paar handelt, dies sowohl in hetero- wie in homosexuellen Beziehungen. Die erste Schwierigkeit war, eine für alle Autoren akzeptable Definition von Perversion zu finden. Alle hatten Erfahrung in Forschung in diesem Gebiet und mussten sich auf Vorstellungen einigen, wodurch eine perverse eheliche Beziehung gekennzeichnet ist. Im Gegensatz zur Neurose, gekennzeichnet ausschliesslich von Verdrängungsmechanismen, kommt Ablehnung nicht ausschliesslich bei der Perversion vor sondern auch bei anderen psychischen Strukturen. Ist Perversion demnach eine psychische Struktur oder eine psychologische Organisation? Es wird auch als erwiesen betrachtet, dass ein Perverser nicht analysiert werden kann. Aber, ist es wirklich der Perverse, der nicht analysiert werden kann? Ist es nicht vielleicht der Analytiker, der es nicht ertragen kann, dem Perversen zuzuhören? Gibt der theoretische analytische Hintergrund des Analytikers ihm möglicherweise nicht genug Unterstützung, um das Zuhören aufrechterhalten zu können? Dieser Aufsatz vertritt die Hypothese, dass die Perversion ein unaufhörlich wiederholter, immer misslingender Versuch ist, ein Trauma aufzuarbeiten. Der Perverse ist identifiziert mit dem Täter im damaligen Trauma. Er trifft einen traumatisierten Punkt beim Partner und macht aus ihm ein Objekt seiner Lusterfüllung. Dieses Arrangement erlaubt dem Perversen-wenigstens in seiner Phantasie – das von ihm erlittene Trauma hinter sich zu lassen, indem er gegenüber dem Objekt eine Position der Aktivität und Dominanz einnimmt. Identifiziert mit dem Aggressor belässt er seinen Partner gelähmt am traumatischen Punkt-eine Situation, die er nur allzu gut an sich selbst kennt.

dos Reis Filho JT et al. Trauma, perversión y el vínculo marital

El propósito del presente trabajo es estudiar en la clínica la incidencia de los cada vez más llamados fenómenos perversos en las relaciones, para descubrir cuando este fenómeno depende de una organización perversa y cuando se trata de un tipo de juego erótico en las parejas, tanto en sus aspectos homosexuales como heterosexuales. La primera dificultad fue encontrar una definición de perversión compartida por los autores estudiosos de este tema y consecuentemente determinar las características de un vínculo marital perverso. En contraste con la neurosis que puede ser definida por el uso del mecanismo de la represión, el mecanismo de la negación no es característico de la perversión únicamente sino que se puede también encontrar en otras organizaciones psíquicas. ¿Se trata entonces de una estructura o de una organización psicológica? Se considera también que en psicoanálisis, es cierto que se trata al perverso como inanalizable. Bueno, ¿es el perverso el que no es analizable o es el psicoanalista que no puede soportar escucharlo? Acaso las referencias teóricas del analista no ofrecen suficientes soportes teóricos para mantener la escucha? Este trabajo presenta la hipótesis de que la perversión es un intento – siempre frustrado, y por lo mismo indefinidamente repetido- para elaborar un trauma en el que el perverso está identificado con el agente traumático, tocando un punto igualmente traumático en su pareja, convirtiendo a su pareja en objeto de su disfrute. Este arreglo permite al perverso, al menos en su imaginación, dejar atrás el trauma sufrido, adoptando con su objeto una posición de actividad y dominación. Identificándose con el agresor, deja a su pareja paralizada en el punto traumático, situación que el perverso sabe muy bien.  相似文献   
80.

As we work through our theories, we rejoice in discovering the logic of concepts and their articulation in clinical experience. Such joy hides other movements, in which the only stakes are demands for love, sexual curiosity and the satisfaction of hate, transferred from infancy to others worlds, idealised or despised. When we participate in our psychoanalytical institutions, we feel pride or even vanity to be participating in the great historical movement of psychoanalysis. This conceals the working of transference in our institutional life; transference which is crudely sexual at its origins, and implies maternal, paternal or fraternal objects. This is its constraining power. We should be fully aware of this, as Strachey or Balint have already shown, in order to attenuate the violence of transference and stimulate our creativity. Anna Freud and Melanie Klein's controversies had a reality of their own. This reality was quickly forgotten and trapped in various conflicts, as those existing between Jones and Freud or between Glover and the rest of the British Psychoanalytical Society of his times. These re-elaborations gave rise to ideological elements, which have ever since pervaded the history of psychoanalytical theory, influencing psychoanalytical methods and clinics. It is important for us today to elucidate these ideologies in order to improve our achievements.  相似文献   
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