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21.
Summary In visual perception complex movements are usually split up into components — e.g., in such a way that a moving reference system is applied, to which partial movements can be related. In the following experiment a perceptual vector analysis of this kind was investigated. It was shown that 1) a radial translatory movement (relative component) can be isolated perceptually from a rotatory movement (global component) and that 2) the precision of this decomposition of the complex movement is dependent on the strength at which the rotating reference system is anchored perceptually.The authors wish to thank M. Rauterberg for collecting the experimental data 相似文献
22.
Elisabeth Piccart Ilse Gantois Annelies Laeremans Ronald de Hoogt Theo Meert Greet Vanhoof Lutgarde Arckens Rudi D’Hooge 《Neurobiology of learning and memory》2011,95(3):260-269
Phosphodiesterase 10A (PDE10A) hydrolyzes both cAMP and cGMP, and is a key element in the regulation of medium spiny neuron (MSN) activity in the striatum. In the present report, we investigated the effects of targeted disruption of PDE10A on spatial learning and memory as well as aversive and appetitive conditioning in C57BL/6 J mice. Because of its putative role in motivational processes and reward learning, we also determined the expression of the immediate early gene zif268 in striatum and anterior cingulate cortex. Animals showed decreased response rates in scheduled appetitive operant conditioning, as well as impaired aversive conditioning in a passive avoidance task. Morris water maze performance revealed not-motor related spatial learning and memory deficits. Anxiety and social explorative behavior was not affected in PDE10A-deficient mice. Expression of zif268 was increased in striatum and anterior cingulate cortex, which suggests alterations in the neural connections between striatum and anterior cingulate cortex in PDE10A-deficient mice. The changes in behavior and plasticity in these PDE10A-deficient mice were in accordance with the proposed role of striatal MSNs and corticostriatal connections in evaluative salience attribution. 相似文献
23.
Boundaries to the articulation of possible selves through social networking sites: the case of Facebook profilers' social connectedness 总被引:1,自引:0,他引:1
Zwier S Araujo T Boukes M Willemsen L 《Cyberpsychology, behavior and social networking》2011,14(10):571-576
This study aims to contribute to an emerging literature that seeks to understand how identity markers on social networking sites (SNSs) shape interpersonal impressions, and particularly the boundaries that SNSs present for articulating unconstrained "hoped-for possible selves." An experiment employing mock-up Facebook profiles was conducted, showing that appearing with friends on a Facebook profile picture as well as increasingly higher number of Facebook friends strengthened perceptions of a profiler's hoped-for level of social connectedness. Excessive numbers of friends, however, weakened perceptions of a profiler's real-level social connectedness, particularly among participants with smaller social networks on Facebook themselves. The discussion focuses on when people come to find that reasonable boundaries of self-generated information on an SNS have been exceeded. 相似文献
24.
Theo A. Klimstra William W. Hale III Quinten A. W. Raaijmakers Susan J. T. Branje Wim H. J. Meeus 《欧洲人格杂志》2010,24(4):309-323
The purpose of the current study is to examine whether Block's personality types (i.e. Resilients, Undercontrollers and Overcontrollers) are replicable as developmental trajectories. We applied a Latent Class Growth Analysis (LCGA) framework to five‐ annual‐wave data on a sample of early to middle adolescents (n = 923). Our results showed that Block's Resilients, Undercontrollers and Overcontrollers are indeed replicable as developmental trajectories across adolescence. These developmental types were related to problem behaviour in a similar way as types found in studies using cross‐sectional data. As such, Resilients reflected low levels of problem behaviour, Undercontrollers had high levels of delinquency and Overcontrollers had high levels of depression. Implications and suggestions for further research are discussed. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
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Rather than embracing the notion that contextualism requires purely qualitative methodologies, Westerman and Yanchar argue that there is a place for quantification in post-positivist research. Both authors provide compelling arguments for this position. From our cognitive developmental perspective, we see this as a move toward a new level of integration in psychology. Whereas reactive shifts between positivist quantification and radical contextualism exemplify the kind of pendulum swing we see in individual development immediately before the emergence of a new developmental level, the moves suggested by Westerman and Yanchar are in the direction of a qualitative shift—a new level of differentiation and integration. We argue that the arguments put forward by Westerman and Yanchar do not quite achieve consolidation at this new level, because they remain embedded in a post-positivist contextualism that demands an a priori rejection of psychological universals and strong forms of quantification. In our view, consolidation at this new level requires a shift to a problem-focused methodological pluralism that assimilates a wide range of methodological approaches, critiques them, and adapts them in light of the problems researchers seek to solve. 相似文献
27.
Social competence is a complex human behaviour that is likely to involve a system of genes that interacts with a myriad of environmental risk and protective factors. The search for its genetic and environmental origins and influences is equally complex and will require a multidimensional conceptualization and multiple methods and levels of analysis. Behavioural genetic research can begin to address the fundamental yet complex question of how children develop social competence by uncovering the various influences on social development and disentangling variance due to multiple genes, environments and experiences. In this paper, we review the current status of research on sociability, face recognition, emotion recognition, and theory of mind (TOM)--well defined and measured constructs that are likely to be useful indices for detecting genetic and environmental influences on social competence. We also propose specific milestones as indices of further progress in the field: the development of an operational definition of the construct of social competence, the identification of social endophenotypes-psychological processes that are validly and reliably measured components of social competence, and improving specificity and homogeneity with regard to social endophenotypes within a population of study by employing 'extreme social phenotypes'. These efforts will lead to a better understanding of the specific contributions to the normal variation of social competence in the general population as well as to atypical social development. 相似文献
28.
In this study, two 6-week psychoeducational courses for hypochondriasis are compared, one based on the cognitive-behavioural approach, and the other on the problem-solving approach. Effects of both courses on hypochondriacal complaints, depression, trait anxiety, and number of problems encountered in daily life, are measured pre-treatment, post-treatment, and at 1- and 6-month follow-up. Participants (N=48, of whom 4 dropped out), suffering from DSM-IV hypochondriasis, were randomized into one of the two course conditions. Results showed beneficial effects of both courses. Few differential treatment effects were found: in both conditions all effect measures decreased significantly over time (p<0.01). However, between- and inter-individual variability in decrease-patterns was of considerable size, leading to large deviations from the mean pattern. Acceptability and feasibility of both courses were rated highly by their respective participants. It is concluded that both courses can be considered equally beneficial and effective over time, with the effects evident immediately after treatment and maintained over the follow-up period. 相似文献
29.
Theo A. Cope 《Journal of religion and health》2009,48(1):79-89
Positive Psychotherapy (PPT), founded by Dr. Nossrat Peseschkian, a Persian Bahá’í who has lived in Europe for many years,
assumes the functional capacities of the unconscious to be ‘basic capacities.’ PPT makes a distinction between actual capacities
and basic capacities. The basic capacities are the capacity to love and the capacity to know. These basic capacities are comprehensive categories underpinning primary and secondary capacities. Based upon Bahá’í teachings, this therapy accepts belief as an implicit aspect of healthy psychological functioning. Moreover,
contents of the unconscious in PPT are the conflicts between capacities, and undifferentiated and undeveloped actual capacities.
Theo A. Cope received his Ph.D. in Applied Psychology, currently holding position as lecturer in Psychology, Social Psychology, and Organizational Behavior at DUFE. He has lived and taught in China for 10 years. His published works include seven articles, two books in the field of Bahá’í thought, Jungian psychology, psychology of emotion, and the philosophy of Xavier Zubiri. His current projects include Student Self Assessment Research Project (SSARP) on Chinese, US, and Canadian students’ attitudes to management ideas, and a book length work on Bahá’í religious thought and Jungian psychology. 相似文献
Theo A. CopeEmail: |
Theo A. Cope received his Ph.D. in Applied Psychology, currently holding position as lecturer in Psychology, Social Psychology, and Organizational Behavior at DUFE. He has lived and taught in China for 10 years. His published works include seven articles, two books in the field of Bahá’í thought, Jungian psychology, psychology of emotion, and the philosophy of Xavier Zubiri. His current projects include Student Self Assessment Research Project (SSARP) on Chinese, US, and Canadian students’ attitudes to management ideas, and a book length work on Bahá’í religious thought and Jungian psychology. 相似文献
30.
Theo A. F. Kuipers 《Erkenntnis》2009,70(3):313-330
Three related intuitions are explicated in this paper. The first is the idea that there must be some kind of probabilistic
version of the HD-method, a ‘Hypothetico-Probabilistic (HP-) method’, in terms of something like probabilistic consequences,
instead of deductive consequences. According to the second intuition, the comparative application of this method should also
be functional for some probabilistic kind of empirical progress, and according to the third intuition this should be functional
for something like probabilistic truth approximation. In all three cases, the guiding idea is to explicate these intuitions
by explicating the crucial notions as appropriate ‘concretizations’ of their deductive analogs, being ‘idealizations’. It
turns out that the comparative version of the proposed HP-method amounts to the likelihood comparison (LC-) method applied
to the cumulated evidence. This method turns out to be not only functional for probabilistic empirical progress but also for
probabilistic truth approximation. The latter is based on a probabilistic threshold theorem constituting for this reason the
analog of the deductive success theorem.
相似文献
Theo A. F. KuipersEmail: URL: www.rug.nl/filosofie/kuipers |