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71.
Mass R Moll B Hölldorfer M Wiedemann K Richter-Appelt H Dahme B Wolf K 《Scandinavian journal of psychology》2008,49(3):293-298
This study examined the relationship between PMS and emotion-related electromyographic facial activity at different phases of the menstrual cycle. Twenty-four women of reproductive age (12 with PMS, 12 controls) participated in two EMG sessions (T1 and T2) in which they were shown photographic images that can elicit various emotions (IAPS stimuli). T1 took place in the follicular phase, T2 in the luteal phase. The activity of the musculus depressor anguli oris ("depressor", expression of sadness) was measured. Depressor activity was compared to activity of musculus orbicularis oculi ("orbicularis"; expression of joy). ANOVA yielded a significant increase of the activity of the depressor at T2 in the PMS group. The PMS group showed more frequent depressor activity during the luteal than the follicular phase. Orbicularis activity did not change from T1 to T2. Conclusions: The PMS group experienced various visual stimuli in a more depressed way during the luteal phase. 相似文献
72.
Similarity is used as an explanatory construct throughout psychology and multidimensional scaling (MDS) is the most popular way to assess similarity. In MDS, similarity is intimately connected to the idea of a geometric representation of stimuli in a perceptual space. Whilst connecting similarity and closeness of stimuli in a geometric representation may be intuitively plausible, Tversky and Gati [Tversky, A., & Gati, I. (1982). Similarity, separability, and the triangle inequality. Psychological Review, 89(2), 123-154] have reported data which are inconsistent with the usual geometric representations that are based on segmental additivity. We show that similarity measures based on Shepard’s universal law of generalization [Shepard, R. N. (1987). Toward a universal law of generalization for psychologica science. Science, 237(4820), 1317-1323] lead to an inner product representation in a reproducing kernel Hilbert space. In such a space stimuli are represented by their similarity to all other stimuli. This representation, based on Shepard’s law, has a natural metric that does not have additive segments whilst still retaining the intuitive notion of connecting similarity and distance between stimuli. Furthermore, this representation has the psychologically appealing property that the distance between stimuli is bounded. 相似文献
73.
Forensic psychiatry is concerned with the relationship between psychiatric abnormalities and legal violations and crimes. Due to the lack of available biological criteria, evaluation and therapy in forensic psychiatry have so far been restricted to psychosocial and mental criteria of offenders' personalities. Recent advances in neurosciences allow a closer approach to the neural correlates of personality, moral judgments and decision-making. We propose to discuss the introduction of biological criteria in the field of forensic psychiatry and to establish rules as to what extent such biological criteria will be a better and more reliable choice in judging mentally ill criminals by using all available information that can be obtained by biological means. Psychosocial and subjective criteria in forensic evaluation will be more and more accomplished by biopsychosocial and objective criteria. The responsibility of having committed a criminal act will no longer be exclusively defined by judging free and voluntary decision-making, but rather by brain-behavior relationships. What is often referred to as psychosocially determined mental processes thus could be complemented by estimating the degree of biopsychosocially determined neural processes. We conclude that such a process could contribute to a paradigm shift in forensic psychiatry, which will have profound implications for offenders, forensic psychologists and psychiatrists, the law and society in general. 相似文献
74.
Prof. Dr. Bernhard Strauss 《Psychotherapeut》2008,53(4):245-253
Health is of high value. Therefore, an effective and efficient care is a widely accepted societal objective. Correspondingly, health service research in general and for the psychosocial area in particular receives increasing attention from politics, health and pension insurance companies and professional organisations. These stakeholders promote health service research with considerable financial means. The various promotional programs are described and their implications are discussed. The relationship between content, purposes and methodology for the definition of research in health care is clarified. Finally, current research questions are exemplified by five key topics. 相似文献
75.
Bernhard Waldenfels 《Continental Philosophy Review》2008,41(2):127-142
Feelings not only have a place, they also have a time. Today, one can speak of a multifaceted renaissance of feelings. This concerns philosophy itself, particularly, ethics. Every law-based morality comes up against its limits when morals cease to be only a question of legitimation and begin to be a question of motivation, since motives get no foothold without the feeling of self and feeling of the alien. As it is treated by various social theories and psychoanalysis, the self is not formed through the mere acquisition or change of roles, but rather through a process that is susceptible to crises, a process shaped by affective bonds and separations. Learning, which is the theme of pedagogy, loses its hold whenever it is confronted by disinterest and listlessness. In neurobiology, the increased significance of those zones of the brain that are connected with the realization of feelings makes the brain, accordingly, no mere apparatus that processes data, but a living organ that selects and “evaluates” what is “important.” Finally, cross-cultural comparison shows the extent to which the one-sided preference for understanding and willing, which is the mark of Western rationalism, arises from a typical, not to mention a highly masculine attitude toward the world and life, as many different studies on gender difference stress (In reference to this perspective, see Seethaler, Gefühle und Urteilskraft. Ein Plädoyer für die emotionale Vernunft, 1997). The following reflections provide a historical orientation directed toward a new determination of feelings. This new determination of feelings is phenomenological and takes the pathetic character of experience, nourished by the corporeality of experience as its point of departure. 相似文献
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78.
The abilities to learn and to categorize are fundamental for cognitive systems, be it animals or machines, and therefore have attracted attention from engineers and psychologists alike. Modern machine learning methods and psychological models of categorization are remarkably similar, partly because these two fields share a common history in artificial neural networks and reinforcement learning. However, machine learning is now an independent and mature field that has moved beyond psychologically or neurally inspired algorithms towards providing foundations for a theory of learning that is rooted in statistics and functional analysis. Much of this research is potentially interesting for psychological theories of learning and categorization but also hardly accessible for psychologists. Here, we provide a tutorial introduction to a popular class of machine learning tools, called kernel methods. These methods are closely related to perceptrons, radial-basis-function neural networks and exemplar theories of categorization. Recent theoretical advances in machine learning are closely tied to the idea that the similarity of patterns can be encapsulated in a positive definite kernel. Such a positive definite kernel can define a reproducing kernel Hilbert space which allows one to use powerful tools from functional analysis for the analysis of learning algorithms. We give basic explanations of some key concepts—the so-called kernel trick, the representer theorem and regularization—which may open up the possibility that insights from machine learning can feed back into psychology. 相似文献
79.
In recent years, a growing number of studies have demonstrated that individuals can exert higher motivation when working in a group compared to working individually. This is particularly true for less capable, inferior group members. To aggregate these findings and to examine preconditions as well as moderating influences on motivation gains of inferior group members, the authors conducted a meta-analysis (17 studies, N=2,240). Results indicated that the overall motivation gain effect of inferior group members observed is moderate and significant (g=.60). Moderator analyses revealed substantial influences of task structure, performance information, physical presence, gender, and task type. 相似文献
80.
David Corfield Bernhard Schölkopf Vladimir Vapnik 《Journal for General Philosophy of Science》2009,40(1):51-58
We compare Karl Popper’s ideas concerning the falsifiability of a theory with similar notions from the part of statistical
learning theory known as VC-theory. Popper’s notion of the dimension of a theory is contrasted with the apparently very similar VC-dimension. Having located
some divergences, we discuss how best to view Popper’s work from the perspective of statistical learning theory, either as
a precursor or as aiming to capture a different learning activity. 相似文献