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The role of attention in perceptual learning has been a topic of controversy. Sensory psychophysicists/physiologists and animal
learning psychologists have conducted numerous studies to examine this role; but because these two types of researchers use
two very different lines of approach, their findings have never been effectively integrated. In the present article, we review
studies from both lines and use exposure-based learning experiments to discuss the role of attention in perceptual learning.
In addition, we propose a model in which exposure-based learning occurs only when a task-irrelevant feature is weak. We hope
that this article will provide new insight into the role of attention in perceptual learning to the benefit of both sensory
psychophysicists/physiologists and animal learning psychologists. 相似文献
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OBJECTIVE: This article explores characteristics of Munchausen Syndrome by Proxy (MSBP) in Japan, a country which provides an egalitarian, low cost, and easy-access health care system. METHODS: We sent a questionnaire survey to 11 leading doctors in the child abuse field in Japan, each located in different hospital-based sites. Child abuse doctors answered questions regarding the characteristics of MSBP cases for whom they had helped care. RESULTS: Twenty-one MSBP cases (20 families) were reported. Characteristics of the victims included: no differences based on sex, 4.6 years of age on average when MSBP was confirmed, and an average of 1.9 years duration of MSBP abuse. Biological mothers were at least one of the perpetrators in 95% of cases. Among the 12 cases (57%) who remained with their families, 2 victims died. Only 5% of perpetrators had a medical background or relatives who engaged in healthcare work. CONCLUSION: There are similar features of MSBP cases between Japan and other English-speaking countries, such as the UK or the US. However, perpetrators of MSBP in Japan did not have a medical background. Easier access to hospital resources in Japan may give greater opportunities for perpetrators to obtain medical knowledge from doctors or nurses. PRACTICE IMPLICATIONS: The findings suggest that perpetrators of MSBP should not be assumed to possess a medical background in a country which provides universal medical care such as Japan. A contributory factor of MSBP may be the high frequency of medical consultations and equal level of accessibility of medical resources for Japanese citizens. Social welfare services that need to decide on custody for MSBP victims should recognize the relatively high risk of life-threatening danger in their family of origin. Further collaboration between hospital staff including pediatricians, nurses, medical social workers and staff at the social welfare services is needed to protect children from MSBP. 相似文献
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Maternal mental disorders are known risk factors for child mistreatment. However, little is known about the involvement of maternal developmental disorder traits. The aim of this study was to examine maternal traits related to Pervasive Developmental Disorder (PDD) and Attention Deficit Hyperactivity Disorder (ADHD), and their possible association with child mistreatment. Maternal PDD and ADHD were assessed through a self-administered questionnaire (N = 846) during mid-pregnancy using the Pervasive Developmental Disorders Autism Society Japan Rating Scale (PARS) and Adult ADHD Self-Report Scale (ASRS). The mothers completed another questionnaire on child mistreatment when the offspring was approximately 18 months of age. The associations between maternal PDD and ADHD traits and child mistreatment score were analyzed using linear regression models adjusted for covariates. Mothers who exhibited stronger PDD traits showed significantly higher child mistreatment score, even after adjustment for maternal characteristics at baseline and ADHD traits. At the same time, ADHD traits were significantly associated with child mistreatment after adjustment of covariates, although the association became non-significant after adjustment of PDD traits. Mothers who showed PDD and ADHD traits during pregnancy were more likely to mistreat their children. It is essential to educate mothers with such traits with appropriate, easy-to-follow childcare instructions, preferably in simple language combined with pictorial aids. 相似文献
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Takeo Nakayama Nobuko Hirai Shigeaki Yamazaki Mariko Naito 《Journal of the Medical Library Association》2005,93(2):237-242
BACKGROUND: The use of a structured abstract has been recommended in reporting medical literature to quickly convey necessary information to editors and readers. The use of structured abstracts increased during the mid-1990s; however, recent practice has yet to be analyzed. OBJECTIVES: This article explored actual reporting patterns of abstracts recently published in selected medical journals and examined what these journals required of abstracts (structured or otherwise and, if structured, which format). METHODS: The top thirty journals according to impact factors noted in the "Medicine, General and Internal" category of the ISI Journal Citation Reports (2000) were sampled. Articles of original contributions published by each journal in January 2001 were examined. Cluster analysis was performed to classify the patterns of structured abstracts objectively. Journals' instructions to authors for writing an article abstract were also examined. RESULTS: Among 304 original articles that included abstracts, 188 (61.8%) had structured and 116 (38.2%) had unstructured abstracts. One hundred twenty-five (66.5%) of the abstracts used the introduction, methods, results, and discussion (IMRAD) format, and 63 (33.5%) used the 8-heading format proposed by Haynes et al. Twenty-one journals requested structured abstracts in their instructions to authors; 8 journals requested the 8-heading format; and 1 journal requested it only for intervention studies. CONCLUSIONS: Even in recent years, not all abstracts of original articles are structured. The eight-heading format was neither commonly used in actual reporting patterns nor noted in journal instructions to authors. 相似文献
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Takashi Fuji Takeshi Tanigawa Masahiro Inui Takeo Saegusa 《Education and Information Technologies》1996,1(3-4):203-226
In the business-systems-design learning environment, there may be more than one solution to any given problem. For instance,
the data model will be different depending on each learner’s perspective. Accordingly, group learning systems are very effective
in this domain. We have developed a collaborative and multimedia environment for learners on teams (CAMELOT) using the ‘nominal
group technique’ for group problem solving. In this paper, the basic framework of the collaborative learning system and the
effectiveness of collaborative learning in designing the data model are described. By using CAMELOT, each learner learns how
to analyse through case studies and how to collaborate with his or her group in problem solving. Learners come to a deeper
understanding from using CAMELOT than from studying independently because they can reach better solutions through discussion,
tips from other learners and examination of one another’s individual works. 相似文献
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