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211.
EG Bittar K Del-Claro LG Bittar MC da Silva 《Journal of experimental psychology. Animal behavior processes》2012,38(3):292-302
Operant response rate changes within the course of a typical free-operant experimental session. These changes are orderly, and reliably demonstrated with subjects from different species, responding under different experimental conditions. Killeen (1995) postulated that the response rate changes are a function of the interplay between arousal and satiation and offered a mathematical model for this hypothesis. Here we analyze Killeen's model, demonstrating that, although solid in its principles, it presents some flaws in its implementation. Then, based on the same principles, we build and test a new model of within-session motivation dynamics. We also demonstrate that, by representing arousal as a variable that ranges between 0 and 1, we can obtain a surprisingly simple model of free-operant response rate. 相似文献
212.
Social identification is known to have wide-reaching implications, but theorists disagree about the underlying motives. Integrating motivated identity construction theory with recent social identity research, the authors predicted which motives underlie identification with two types of groups: interpersonal networks and social categories. In a five-wave longitudinal study of social identity processes among 268 new university residents, multilevel analyses showed that motives involved in identity enactment processes--self-esteem, belonging, and efficacy--significantly predicted within-person changes in identification with flatmates (an interpersonal network group), whereas motives involved in identity definition processes--meaning, self-esteem, and distinctiveness--significantly predicted within-person changes in identification with halls of residence (an abstract social category). This article discusses implications for research into identity motives and social identity. 相似文献
213.
da Rosa MM Mello CF Camera K Ceretta AP Ribeiro DA Signor C Rubin MA 《Neurobiology of learning and memory》2012,97(3):294-300
Previous exposure to the training context disrupts glutamatergic N-methyl-d-aspartate receptor (NMDAr) antagonist-induced amnesia, indicating that novelty is necessary for such an amnestic effect. While there are reports that novelty-related release of opioids cause amnesia, no study has addressed whether the amnestic effect of NMDAr antagonists involve opioid mechanisms. In this study we investigated whether pharmacological manipulation of the opioid system immediately after context pre-exposure alters the amnestic effect of arcaine, a NMDAr antagonist. Adult male Wistar rats were habituated (pre-exposed) to a fear conditioning training apparatus or to a different context (open field). Immediately after pre-exposure, animals were injected with saline or naloxone (0.5 mg/kg, i.p.) or anti-beta-endorphin antibody (1:500, i.c.v.). Forty eight hours after pre-exposure session, all animals were subjected to fear conditioning acquisition protocol and saline or arcaine (30 mg/kg, i.p.) was administered immediately after training. Testing was carried out 24 h later, and freezing responses due to re-exposure to the training apparatus were recorded. Pre-exposure to the training apparatus prevented the impairment of memory induced by post-training arcaine. Administration of naloxone or anti-beta-endorphin antibody, immediately after pre-exposure to the training apparatus, reinstated the amnesic effect of post-training arcaine. The results suggest that endogenous opioid mechanisms are involved in the pre-exposure-induced loss of the amnestic effect of arcaine. 相似文献
214.
Jairo José da Silva 《Axiomathes》2012,22(1):5-30
Husserl left many unpublished drafts explaining (or trying to) his views on spatial representation and geometry, such as,
particularly, those collected in the second part of Studien zur Arithmetik und Geometrie (Hua XXI), but no completely articulate work on the subject. In this paper, I put forward an interpretation of what those
views might have been. Husserl, I claim, distinguished among different conceptions of space, the space of perception (constituted
from sensorial data by intentionally motivated psychic functions), that of physical geometry (or idealized perceptual space),
the space of the mathematical science of physical nature (in which science, not only raw perception has a word) and the abstract
spaces of mathematics (free creations of the mathematical mind), each of them with its peculiar geometrical structure. Perceptual
space is proto-Euclidean and the space of physical geometry Euclidean, but mathematical physics, Husserl allowed, may find
it convenient to represent physical space with a non-Euclidean structure. Mathematical spaces, on their turn, can be endowed,
he thinks, with any geometry mathematicians may find interesting. Many other related questions are addressed here, in particular
those concerning the a priori or a posteriori character of the many geometric features of perceptual space (bearing in mind
that there are at least two different notions of a priori in Husserl, which we may call the conceptual and the transcendental
a priori). I conclude with an overview of Weyl’s ideas on the matter, since his philosophical conceptions are often traceable
back to his former master, Husserl. 相似文献
215.
Adults apply ownership not only to objects but also to ideas. But do people come to apply principles of ownership to ideas because of being taught about intellectual property and copyrights? Here, we investigate whether children apply rules from physical property ownership to ideas. Studies 1a and 1b show that children (6–8 years old) determine ownership of both objects and ideas based on who first establishes possession of the object or idea. Study 2 shows that children use another principle of object ownership, control of permission—an ability to restrict others’ access to the entity in question—to determine idea ownership. In Study 3 , we replicate these findings with different idea types. In Study 4 , we determine that children will not apply ownership to every entity, demonstrating that they do not apply ownership to a common word. Taken together, these results suggest that, like adults, children as young as 6 years old apply rules from ownership not only to objects but to ideas as well. 相似文献
216.
A growing body of evidence shows that materialistic values are linked to lower well‐being. Self‐determination theory offers an explanation through the low fulfilment of the basic psychological needs for autonomy, competence, and relatedness. However, recent research suggests that frustration of these psychological needs may also play an additional role. Using structural equation modelling in adult samples from an established mass‐consumer society (UK: N = 958) and a fast‐developing new economy (Chile: N = 257) and employing more comprehensive measures to tap into a materialistic orientation than used in previous studies, we found that a materialistic value orientation related negatively to well‐being and positively to ill‐being and that both psychological need satisfaction and psychological need frustration played an explanatory role herein. The model was found to be highly equivalent across both samples, supporting the cross‐cultural generality of the mechanisms involved. Copyright © 2014 European Association of Personality Psychology 相似文献
217.
Our paper offers a reflection on the state of the art of antisocial behaviors in adolescence, seeking to review and synthesize relevant conclusions from developmental investigation on this subject. We begin by identifying the peculiarities of the antisocial phenomenon in adolescence, with particular focus on social and family aspects that may influence social behaviors at this stage, as well as on individual variables that undergo considerable development in adolescence and may play an important role in risk behaviors, such as psychosocial competence, personality, self-concept, and intelligence. The general conclusion points out questions that remain unanswered. Therefore, work seeking to address some of those questions is presented. 相似文献
218.
219.
Ana Boczar Ana Cristina Teixeira da Costa Salles Arlindo Carlos Pimenta Carlos Roberto Drawin Eliana Rodrigues Pereira Mendes Marília Brandão Lemos Morais 《International Forum of Psychoanalysis》2013,22(2):145-150
The paradigmatic theory of modern epistemology holds psychoanalysis in its scientific statute. Even if there is no explicit epistemology in the Freudian writings, it is undeniable that the genesis of psychoanalysis has a rigorous dialetic between theorization and clinical observation. Metapsychology is an organized and consistent set of concepts, capable of explaining and coordinating the analytical experience. It is through metapsychology that clinical work encounters the possibility of universalization, while metapsychology finds the possibility of fulfillment in clinical work. Clinical experience also confirms the interrelation between psychopathology and culture. Modern times have brought about new versions for psychopathological symptoms, which, in turn, have special effects on the narcisistic personalities and the manifestations of anxiety, giving place to different neurotic configurations. 相似文献
220.
The EUROTEACH study which is reported here, comprised 2796 secondary school teachers from 13 European countries. The study firstly aimed at testing an extended Job Demand-Control-Social support (JDCS) model and checking its gender specificity. While this study failed to provide evidence for the buffer hypothesis derived from the JDCS-model, the strain hypothesis was mostly supported. Additional job conditions tested in this study proved to be important predictors of the outcome variables (emotional exhaustion, depersonalisation, personal accomplishment, somatic complaints and job satisfaction) and standard of living indicators also added explained variance in these outcomes. The study proved that the JDCS model cannot be called a male model. Secondly the study looked at the comparability of 3 European regions (South, West, East). Apart from important regional differences in job conditions, standard of living indicators and outcomes, the most important finding is that the JDCS model explains most variance in outcome variables in Western Europe, and the least in Eastern Europe, and thus seems to suffer from a Western bias. 相似文献