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51.
The present study investigated whether developmental changes in cognitive control may underlie improvements of time-based prospective memory. Five-, 7-, 9-, and 11-year-olds (N = 166) completed a driving simulation task (ongoing task) in which they had to refuel their vehicle at specific points in time (PM task). The availability of cognitive control resources was experimentally manipulated by imposing a secondary task that required divided attention. Children completed the driving simulation task both in a full-attention condition and a divided-attention condition where they had to carry out a secondary task. Results revealed that older children performed better than younger children on the ongoing task and PM task. Children performed worse on the ongoing and PM tasks in the divided-attention condition compared to the full-attention condition. With respect to time monitoring in the final interval prior to the PM target, divided attention interacted with age such that older children’s time monitoring was more negatively affected by the secondary task compared to younger children. Results are discussed in terms of developmental shifts from reactive to proactive monitoring strategies.  相似文献   
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This article examines the formation process of spatial presence, which is conceived as a two-step process involving the construction of a mental model of the mediated environment, followed by the emergence of spatial presence. During both stages, cognitive processes and user traits are in effect. We present data derived from a pooled set of data of three studies using the same virtual environment. Structural equation modeling is used to confirm the proposed theoretical model. The results show that attention and the trait of visual spatial imagery are positive predictors of the mental model of the mediated environment. In the second step, the formation of spatial presence is governed by involvement, the suspension of disbelief, and the domain-specific interest, together with the mental model.  相似文献   
53.
The notion of a mental time-line (i.e., past corresponds to left and future corresponds to right) supports the conceptual metaphor view assuming that abstract concepts like “time” are grounded in cognitively more accessible concepts like “space.” In five experiments, we further investigated the relationship between temporal and spatial representations and examined whether or not the spatial correspondents of time are unintentionally activated. We employed a priming paradigm, in which visual or auditory prime words (i.e., temporal adverbs such as yesterday, tomorrow) preceded a colored square. In all experiments, participants discriminated the color of this square by responding with the left or the right hand. Although the temporal reference of the priming adverb was task irrelevant in Experiment 1, visually presented primes facilitated responses to the square in correspondence with the direction of the mental time-line. This priming effect was absent in Experiments 2, 3, and 5, in which the primes were presented auditorily and the temporal reference of the words could be ignored. The effect, however, emerged when attention was oriented to the temporal content of the auditory prime words in Experiment 4. The results suggest that task demands differentially modulate the activation of the mental time-line within the visual and auditory modality and support a flexible association between conceptual codes.  相似文献   
54.
Abstract

This article analyses the relationship between mobbing, job characteristics, social environment variables, and psychological ill-health. The Leymann Inventory of Psychological Terrorization (LIFT) was factor analysed and led to seven factors in two samples of mobbing victims (N = 50 and N = 99): Mobbing by organizational measures, social isolation, attacking the victim's private life, attacking the victim's attitudes, physical violence, verbal aggression, and rumours. Mobbing was correlated with bad job content, a bad social environment, and psychological ill-health. The findings suggest that the more social support supervisors gave, the less the victims reported being shouted at, being constantly criticized, and receiving verbal threats. In contrast, the more social support the victims received from their colleagues the less they reported being socially isolated or being ridiculed with regard to their private life. Moreover, having private life attacked showed the strongest correlation with psychological ill-health. The data suggest that organizational factors are potential causes of mobbing at work.  相似文献   
55.
Research on teachers’ judgments of student performance has demonstrated that educational assessments may be biased or may more correctly take the achievements of students into account depending on teachers’ motivations while making the judgment. Building on research on social judgment formation the present investigation examined whether the accountability of teachers has an influence on judgment formation. We predicted that unaccountable teachers would activate social categories and use them for the assessment, whereas accountable teachers’ attention would be directed to individual attributes of students. Using secondary school teachers as participants, three studies investigating teachers’ assessments, inferences and memory for students’ attributes supported these hypotheses. Thus, accountability appears to be a moderator of social information processing and judgment formation in the domain of educational assessments.  相似文献   
56.
Cognitive functions of gamma-band activity: memory match and utilization   总被引:15,自引:0,他引:15  
Oscillatory neural activity in the gamma frequency range (>30Hz) has been shown to accompany a wide variety of cognitive processes. So far, there has been limited success in assigning a unitary basic function to these oscillations, and critics have raised the argument that they could just be an epiphenomenon of neural processing. We propose a new framework that relates gamma oscillations observed in human, as well as in animal, experiments to two underlying processes: the comparison of memory contents with stimulus-related information and the utilization of signals derived from this comparison. This model attempts to explain early gamma-band responses in terms of the match between bottom-up and top-down information. Furthermore, it assumes that late gamma-band activity reflects the readout and utilization of the information resulting from this match.  相似文献   
57.
The present single case study is aimed to investigate neuro-physiological correlates of checking and ordering compulsions in a 40 years old patient suffering from obsessive-compulsive disorder (OCD) by means of the functional magnetic resonance imaging (fMRI) method. After the presentation of the psychogenesis and psychodynamic of the OCD case, the cardinal symptom, a compulsive reading disturbance, is described in detail. Based on the symptom analysis eight different texts, hierarchically arranged by their degrees of difficulty were composed and presented to the patient for reading during fMRI. The results of the fMRI during symptom provocation display significant increase of activation in fronto-thalamic-cortical neural circuits with the occurence of compulsive reading disturbances compared with unproblematic texts and with the reading of a control subject. The findings are discussed in relation to the neurobiologic literature as well as to an object-psychological model of the OCD.  相似文献   
58.
Mahlmann  Matthias 《Res Publica》2003,9(1):19-37
The foundations of law have been the object ofintense philosophical scrutiny since antiquity.Most importantly, it has been asked whetherthere are really any foundations other thansheer force to be found once more comfortingillusions are abandoned. This paperinvestigates four influential theorists ofradical legal philosophy and postmodern thought(Benjamin, Schmitt, Luhmann, Derrida) who dealwith this problem in comparable ways despitetheir different theoretical outlooks. Themerits of these theories having been assessed,mentalism in ethics and law is introduced as apossible alternative to both the widespreadfoundationalism of the past and theanti-foundationalism of the postmodern present.  相似文献   
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