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Working memory (WM) impairments are reported to occur in patients with Parkinson's disease (PD). However, the mechanisms are unclear. Here, we investigate several putative factors that might drive poor performance, by examining the precision of recall, the order in which items are recalled and whether memories are corrupted by random guessing (attentional lapses). We used two separate tasks that examined the quality of WM recall under different loads and retention periods, as well as a traditional digit span test. Firstly, on a simple measure of WM recall, where patients were asked to reproduce the orientation of a centrally presented arrow, overall recall was not significantly impaired. However, there was some evidence for increased guessing (attentional lapses). On a new analogue version of the Corsi-span task, where participants had to reproduce on a touchscreen the exact spatial pattern of presented stimuli in the order and locations in which they appeared, there was a reduction in the precision of spatial WM at higher loads. This deficit was due to misremembering item order. At the highest load, there was reduced recall precision, whereas increased guessing was only observed at intermediate set sizes. Finally, PD patients had impaired backward, but not forward, digit spans. Overall, these results reveal the task- and load-dependent nature of WM deficits in PD. On simple low-load tasks, attentional lapses predominate, whereas at higher loads, in the spatial domain, the corruption of mnemonic information—both order item and precision—emerge as the main driver of impairment.  相似文献   
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This article reviews the ecumenical involvement of Eugene Carson Blake, the second general secretary of the World Council of Churches (WCC) from 1966 to 1972, focusing on the support for the US civil rights movement and rejection of racism that he brought with him to the WCC. It also examines his role at the WCC's 4th Assembly, in Uppsala, which is often seen as a turning point in ecumenical history.  相似文献   
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Two prospective studies examined the relations of autonomy support and directive support to goal internalization and goal persistence over a year. Study 1 examined the role of support and internalization in semester‐long goals set by college students and whether the goals were reset in the following semester. Study 2 examined semester‐long goals and long‐term developmental goals. Study 1 showed that autonomy support was not only significantly associated with greater internalization and goal success in the fall semester, but it was also significantly associated with actually resetting and subsequently succeeding at goals that one had failed to reach. Study 2 showed that autonomy support was significantly associated with progress for short‐term goals over the semester, whereas directive support was unrelated to progress. For long‐term goals, autonomy support was significantly related to greater internalization of goals and to greater goal satisfaction, whereas directive support was significantly negatively related to these outcomes. These studies point to the beneficial effects of autonomy support on goal internalization and resilient persistence. The effects of directive support (null vs. negative) were moderated by the timeline of the goals.  相似文献   
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Autobiographical memories are thought to serve three basic functions: self‐definition, social connection, and directing future behavior. Previous research suggests that the function a memory comes to serve may differ by the type of event recalled (e.g., single unique events vs. repeated or recurring events). In two studies, we compared memories for different event types on function served. Results from Study 1 suggest that narratives of single events serve more of a self and directive function compared with recurring events, whereas recurring events serve more of a social function. Extended events, however, were high on all three functions. Study 2 specifically examined single and recurring events. Results replicated and extended Study 1 using both narrative coding and questionnaire measures. Implications of the examination of multiple event types and functional approaches to autobiographical memory for understanding links between experiences and psychological outcomes are discussed. Copyright © 2013 John Wiley & Sons, Ltd.  相似文献   
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Discussing Joseph Newirth's case from a modern Freudian perspective, I explore possible sources of the patient's degraded view of herself, her ambivalent feelings toward men, and her fears of sexuality. I also discuss the course of the treatment, noting that both the patient's progress and the core of her resistance centers on her complex relationship with her analyst. This has been the source of healing and of avoidance of her inner world of imagination and fantasy. I further suggest that active confrontation of the patient's defensive use of her relationship with her analyst would enhance the substantial gains that she has already made.  相似文献   
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Research testing Hagan’s power-control theory has largely been tested with samples of non-Hispanic whites. We extend prior research by testing the theory’s merits with a sample of American Indian (AI) adolescents. Overall, we find mixed support for the theory’s merits. However, we find that our measure of patriarchy is a robust predictor of AI female delinquent activity. We also find that a grandparent in the household serves to greatly reduce involvement in violent behavior among AI females. Compared to a sample of non-Hispanic whites, these results reveal the importance of testing explanations of deviant behavior across racial and ethnic groups.  相似文献   
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In 2004, the Supreme Court of Canada set out seven criteria to distinguish reasonable from abusive corrective force with children. We tested the validity of those criteria by mapping them onto a nationally representative data set of substantiated cases of physical abuse. The court's criteria defining reasonable force actually characterized the majority of cases of child physical maltreatment in Canada. These cases were more likely to be characterized by the use of spanking in the family than by each of the criteria set out by the Supreme Court. One in five cases was not characterized by any of the court's criteria, and virtually none were characterized by all of them. The findings provide stronger support for abolishing physical punishment than for legal attempts to narrow its definition.  相似文献   
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