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The present paper explores one of the multiple aspects of working memory, specifically the coordinating function of the central executive with a complex double‐stimuli task. Performance on this task requires coordinating the short‐term maintenance of verbal as well as visuospatial information in preparation for recall. The task involves the single recall of words, the single recall of locations, or the recall of localized words. The study of the double‐stimuli task involves three classical interference tasks (articulatory suppression, Moar box tracking, and standing balance position) and comparing with simple span tasks (word recall and location recall). Word and location recall in this double‐stimuli task involves observing the classical interference effects: articulatory suppression impairs word recall performance without affecting location recall, whereas in visuospatial interference tasks the reverse is true. A second analysis showed that when performance on the double‐stimuli task (implying the simultaneous maintenance of verbal and visuospatial material at the same time) is compared with performances on short‐term memory tasks (classical word span or location span using the same material), a significant decrease in performance is observed. In a third analysis a score specific to the complex task was computed (corrected score). This score takes into account the recall capacity for both words and locations. This score, directly related to the capacities of coordination implied in the task, is sensitive to most attentional requirements of interference tasks. Contrary to what can be observed on location recall, the standing balance position did not significantly decrease performance. These results are consistent with an interpretation of the working memory according to which coordination of the subsystems is a function of the central executive. 相似文献
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795.
Schizophrenia is one of the most devastating psychiatric illnesses. There has been a tremendous worldwide research and clinical effort into early intervention for psychosis. However, despite significant improvement in symptoms after a first episode, there is no corresponding quality improvement in function for many individuals. Thus, increased attention has been given to psychological intervention in particular cognitive behavioral therapy (CBT) with the hope of enhancing functional recovery. Outcome trials of CBT for schizophrenia are promising and other work in CBT suggests this may be a viable psychological intervention for this population. This paper will review the need for a CBT approach after a first episode of psychosis and describe a modular CBT approach for this population. This approach addresses adaptation as well as both functional and symptomatic outcome, an approach which parallels the theoretical shift in CBT that occurred in the last decade. 相似文献
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797.
In contemporary attitudes‐and‐attraction research, attraction has been viewed as a multidimensional construct. Moreover, the effects of dissimilar and similar attitudes have been shown to vary with the facets of attraction measured. The hypotheses tested are that (1) only the proportion of similar attitudes relevant to the social context or interaction goals affects behavioral attraction (i.e. interpersonal distance between the participant and targets), and (2) the proportion of similar attitudes influences affective attraction (i.e. Byrne's attraction measure), regardless of attitude relevance. Two experiments were conducted with classroom activities (Experiment 1) and a writing workshop (Experiment 2) as the social contexts. The results of both experiments supported the hypotheses. Clearly, a solely affective measure of attraction seems inadequate for understanding the similarity–attraction relationship. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
798.
Although the brown lemur (Eulemur fulvus) and the black lemur (Eulemur macaco) share many life parameters and are genetically closed, they show considerable difference in social organization. Dominance relationships with no systematic effect of gender characterize the former, whereas the latter is based on female dominance. The present study was done on two captive groups of brown lemurs and one semi–free‐ranging group of black lemurs. To reveal links between the specific pattern of social organization and agonistic behaviors, agonistic interactions were analyzed for each species as for their context of occurrence, symmetry, initiation, and outcome. The effect of gender in the initiation of conflicts appeared as the only notable interspecific difference, aggression being mostly initiated by females in E. macaco and by males in E. fulvus. Conflict outcome was generally in favor of the initiator, regardless of gender in both species. The analysis of postconflict behaviors revealed conciliatory processes in the brown lemur, whereas reconciliation seemed to be absent in the black lemur, a characteristic shared with the ring‐tailed lemur (Lemur catta), another lemur species with female dominance. Aggr. Behav. 28:62–74, 2002. © 2002 Wiley‐Liss, Inc. 相似文献
799.
Alan J. Flisher Jeremy P. De Beer Frank Bokhorst 《British Journal of Guidance & Counselling》2002,30(3):299-310
The aim of the study was to document the correlates of receiving counselling services at the University of Cape Town, South Africa. The 932 students who received counselling over a 3-year period were compared with the other 23,158 students registered at the university. Data were obtained from the university computerised record system. Women, Black people and 20-24-year-olds were significantly more likely to receive counselling services. When adjusting for these demographic variables, non-English speakers, humanities students, undergraduates, first-year students, students who were eligible to receive financial assistance, and students from outside Cape Town were significantly more likely to receive counselling. New research is required to determine the reasons for these findings. 相似文献
800.
Darlene DeMarie Patricia A Aloise-Young Cheri L Prideaux Jean Muransky-Doran Julie Hart Gerda 《Revue canadienne de psychologie expérimentale》2004,58(3):181-195
The effect of domain knowledge on students' memory for vocabulary terms was investigated. Participants were 142 college students (94 education majors and 48 business majors). The measure of domain knowledge was the number of courses completed in the major. Students recalled three different lists (control, education, and business) of 20 words. Knowledge effects were estimated controlling for academic aptitude, academic achievement, and general memory ability. Domain-specific knowledge consistently predicted recall, above and beyond the effect of these control variables. Moreover, nonlinear models better represented the relation between knowledge and memory, with very similar functions predicting recall in both knowledge domains. Specifically, early in the majors more classes corresponded with increased memory performance, but a plateau period, when more classes did not result in higher recall, was evident for both majors. Longitudinal research is needed to explore at what point in learning novices' performance begins to resemble experts' performance. 相似文献