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991.
Oosterman JM Vogels RL van Harten B Gouw AA Scheltens P Poggesi A Weinstein HC Scherder EJ 《Brain and cognition》2008,68(2):128-133
Various studies support an association between white matter hyperintensities (WMH) and deficits in executive function in nondemented ageing. Studies examining executive functions and WMH have generally adopted executive function as a phrase including various functions such as flexibility, inhibition, and working memory. However, these functions include distinctive cognitive processes and not all may be affected as a result of WMH. Furthermore, atrophy of the medial temporal lobe (MTA) is frequently observed in ageing. Nevertheless, in previous studies of nondemented ageing MTA was not considered when examining a relationship between white matter and executive function. The goal of the present study was to examine how WMH and MTA relate to a variety of executive functions, including flexibility, fluency, inhibition, planning, set shifting, and working memory. Strong correlations were observed between WMH and MTA and most of the executive functions. However, only MTA was related to flexibility and set shifting performance. Regression analysis furthermore showed that MTA was the strongest predictor of working memory, after which no further significant association with WMH was noted. Alternatively, both MTA and periventricular hyperintensities independently predicted inhibition performance. These findings emphasize the importance of MTA when examining age-related decline in executive functioning. 相似文献
992.
Butler AC Karpicke JD Roediger HL 《Journal of experimental psychology. Learning, memory, and cognition》2008,34(4):918-928
Previous studies investigating posttest feedback have generally conceptualized feedback as a method for correcting erroneous responses, giving virtually no consideration to how feedback might promote learning of correct responses. Here, the authors show that when correct responses are made with low confidence, feedback serves to correct this initial metacognitive error, enhancing retention of low-confidence correct responses. In 2 experiments, subjects took an initial multiple-choice test on general knowledge facts and made a confidence judgment after each response. Feedback was provided for half of the questions, and retention was assessed by a final cued-recall test. Taking the initial test improved retention relative to not testing, and feedback further enhanced performance. Consistent with prior research, feedback improved retention by allowing subjects to correct initially erroneous responses. Of more importance, feedback also doubled the retention of correct low-confidence responses, relative to providing no feedback. The function of feedback is to correct both memory errors and metacognitive errors. 相似文献
993.
The present study examined the role of valence in the development of children's implanted false memories. Seventy-six 7-year-old children listened to two true and one false narrative. The false narrative was either neutral ("moving to another classroom") or emotional negative ("being accused by the teacher for copying off your neighbor"). In addition, half of the children were presented with their class photograph while listening to the narratives. During two interviews, children recalled as many details as possible from the true and false events. Results showed that the negative event elicited more false memories than the neutral event. The presentation of a true photograph did not promote the development of false memories. 相似文献
994.
John Joseph Henry Rossetti 《Islam & Christian-Muslim Relations》2008,19(4):381-396
The life of Père Charles de Foucauld (1858–1916) epitomized many of the motifs and contradictions of French colonialism in North Africa: a cavalry officer turned incognito explorer of Morocco, he eventually renounced his worldly life and became a deeply ascetic Catholic monk, spending the last fifteen years of his life in the Algerian Sahara, primarily among the Muslim Tuareg population of the Ahaggar region. Foucauld remained close to the French military, but his approach to Christian–Muslim relations changed and matured over his time in Algeria. The present study examines Foucauld's complex relationship with colonialism and with the Tuareg during his lifetime, as well as his unexpected legacies in the present. In the Maghreb today, he is remembered for his work as a lexicographer and grammarian of the Tuareg language and its unique tifinagh alphabet – a contribution that was taken up and expanded upon by later Amazigh cultural revivalists. In addition, the Vatican in recent years has held Foucauld up as a model for interreligious dialogue and as a bridge between the Catholic Church and the Muslim world. 相似文献
995.
996.
Susana R. Patton Lawrence M. Dolan Racquel Henry Scott W. Powers 《Journal of clinical psychology in medical settings》2008,15(3):252-259
The current study examined fear of hypoglycemia in 81 mothers and 64 fathers of young children with type 1 diabetes (T1DM)
using the Hypoglycemia Fear Survey-Parents of Young Children (HFS-P-YC possible range = 26–130). Mothers and fathers completed
the HFS-P-YC at enrollment and mothers completed it 2 weeks later. Families recorded daily blood glucose on a standardized
meter for 2 weeks. Mothers’ mean total HFS-P-YC score was 75.0 (SD = 17.2) and fathers’ mean score was 66.5 (SD = 18.0). Mothers
reported greater HFS-P-YC total and behavior subscale scores than fathers. Mothers’ HFS-P-YC scores were comparable to published
HFS scores for mothers of preadolescents with T1DM and higher than adult patients with T1DM. The HFS-P-YC had good internal
consistency and test–retest reliability in this sample. These findings suggest parents of young children with T1DM report
a high level of fear of hypoglycemia. Additionally, the HFS-P-YC appears to be a reliable measure in this population. 相似文献
997.
Previous research in motor learning shows that practicing variations of a task (variable practice) leads to better transfer than does repeatedly practicing the exact same task (repeated practice). In contrast, research on priming using verbal materials shows that performance on a test improves to the extent that the material at learning and test overlap. We tested whether variability in practice conditions can lead to improved performance with the verbal priming task of anagram solution. Participants practiced solving anagrams, either repeatedly solving the same anagram that was later tested, repeatedly solving a different anagram from the one that was later tested, or solving different variations of the anagram that was later tested. We found that this last condition-variable practice on different versions of an anagram-led to improved test performance in relation to repeated practice, even when the test anagram was the one that had been repeatedly practiced. This finding aligns results from the motor learning literature with a higher level cognitive task: anagram solution. Shea and Kohl's (1991) hypothesis, arguing that varied practice may lead to greater elaborative processing than does repeated practice, provides one account of the results. 相似文献
998.
In order to outline the conceptual landscape that frames discussions of collective memory, three oppositions are proposed: collective memory versus collective remembering; history versus collective memory; and individual memory versus collective remembering. From this perspective collective remembering is viewed as an active process that often involves contention and contestation among people rather than a static body of knowledge that they possess. Collective remembering is also viewed as privileging identity formation and contestation over the sort of objective representation of the past that is the aspiration of formal historical analysis. And finally, while collective remembering involves individual minds, it also suggests something more in the form of socially situated individuals, a claim that can usefully be formulated in terms of how members of a groups share a common set of cultural tools (e.g., narrative forms) and similar content. 相似文献
999.
1000.