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501.
ABSTRACT The phonological loop plays an important role in task switching. Until now, however, it has been unclear whether it is the maintenance of the task sequence or the retrieval of the task goal that requires phonological processing. In the present study, 60 participants (20 children, 20 adolescents, 20 young adults) performed three phonological working-memory tests before they switched between two tasks in a cue-present condition (random task sequence) and in a cue-absent condition (predictable task sequence). Results revealed that better phonological and central-executive working-memory performance predicted lower switch costs. In line with age-differentiation of cognitive abilities switching was less coupled with working memory in adults compared to children and adolescents. Interestingly, however, relations were only demonstrated in the cue-present but not in the cue-absent condition, indicating that it is more the retrieval of the task goal than the maintenance of the task sequence that requires the involvement of phonological processing. 相似文献
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Ken Resnicow Alice Jackson Dhana Blissett Terry Wang Frances McCarty Simone Rahotep Santhi Periasamy 《Health psychology》2005,24(4):339-348
Healthy Body Healthy Spirit was a multicomponent intervention to increase fruit and vegetable (F & V) consumption and physical activity (PA) delivered through Black churches. Sixteen churches were randomly assigned to 3 intervention conditions. At baseline, 1,056 individuals were recruited across the 16 churches, of which 906 (86%) were assessed at 1-year follow-up. Group 1 received standard educational materials, Group 2 received culturally targeted self-help nutrition and PA materials, and Group 3 received the same intervention as did Group 2 as well as 4 telephone counseling calls based on motivational interviewing (MI) delivered over the course of 1 year. At 1-year follow-up, Groups 2 and 3 showed significant changes in both F & V intake and PA. Changes were somewhat larger for F & V. For F & V, but not PA, there was a clear additive effect for the MI intervention. 相似文献
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On the basis of an existential analysis (Daseinanalyse), the authors consider the suicide, at age 42, of Cesare Pavese, one of the most important Italian poets and writers of the post-World War II period. It is found that in his poems, his novels, and particularly his letters and diary the idea of suicide was present in his consciousness since adolescence; year by year it is possible to follow the development of his ideas and fantasies about suicide. Incapable of establishing authentic communication with others, Pavese narrowed his existential horizon to the point of being less and less capable of living in the world and projecting himself into the future. From these considerations it is concluded that Pavese's acute feeling of incapacity caused him to have lasting experiences of failure that brought him to view suicide as the only way to free himself from his own torment. 相似文献
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