急性心肌梗死发病年轻化的因果分析

越来越多的中青年人因急性心肌梗死住院甚至猝死,其发病具有原因和结果的必然联系。过劳、不良生活习惯、吸烟、大量饮酒等原因都会使冠状动脉内斑块形成或冠状动脉痉挛而诱发急性心肌梗死。患者及医务工作者都应针对病因及发病机制积极治疗并有效预防,从而提高全民的心血管健康水平。     

公共领域中的集群效能研究述评

公共领域中的集群效能是指公众通过分享所在地区的公共信任和社会凝聚力, 从而对于共同努力实现所在地区特定目标的一种集体信念和预期。公共领域中的集群效能有其独特的测量方法和研究结论, 集群效能的相关前因变量可以分为社会认同、社会经济地位和社会参与, 集群效能的相关影响作用研究可以分为公共安全、政治行为、公共卫生三个领域内的研究。文章最后指出未来在公共领域中集群效能研究有必要加强作用机制、动态变化等方面的探讨。     

食管癌诊断方法研究进展及面临的问题

食管癌诊断方法研究,涵盖流行病学、生物化学、病理学、肿瘤学、分子生物学等多学科.临床需求是医学科学进步的原动力,科技进步推动了医学发展,食管癌诊断方法的研究和正确的科研思路在控制食管癌发病率和死亡率中起重要作用.     

西方社会能力的研究及启示

从20世纪70年代开始,社会能力的概念为国外研究者广为接受,有关社会能力的理论和实践探索不断深化扩展,西方学者对社会能力的定义和测量、对教师期望、成绩差异、危险行为以及对社会能力的结构、作用和培养方案进行的探讨,极大地增进了教育、心理学工作者对于儿童社会适应和认知发展的理解。西方学者关于社会能力的研究成果对于我国素质教育有着重要的启示。     

组织管理诚信与组织承诺之关系研究

本研究的主要目的乃探讨组织管理诚信的内涵及现状;揭示组织管理诚信与组织承诺之关系。通过文献分析和问卷调查,研究者发现:组织管理诚信行为主要包含诚实、守信、诚直和精诚四个方面的内容;员工对当前组织管理的评价总体趋向于诚信,其中对守信因子的评价最高,对诚直因子的评价最低;组织管理诚信对组织承诺存在着积极的影响。     

通过斯特劳森而思

斯特劳森在《个体》中提出的描述性形而上学与修正性形而上学的区分对20世纪后半叶分析哲学的走向产生了重要影响。正是基于斯特劳森的这个区分,我们可以从范畴之是与潜能现实之是的区分这一角度去解析亚里士多德。在相当程度上,亚里士多德对范畴之是的研究是描述性形而上学,而他对潜能现实之是的研究则是修正性形而上学。然而,以主谓关系为核心概念结构的描述性形而上学只是相对于印欧语系而言的,不是普遍的。我们应该发展一门以中文思维结构为对象的描述性形而上学,这样的研究必定可以使中国哲学对形而上学做出特有的贡献。     

Rapid word learning under uncertainty via cross-situational statistics

There are an infinite number of possible word-to-word pairings in naturalistic learning environments. Previous proposals to solve this mapping problem have focused on linguistic, social, representational, and attentional constraints at a single moment. This article discusses a cross-situational learning strategy based on computing distributional statistics across words, across referents, and, most important, across the co-occurrences of words and referents at multiple moments. We briefly exposed adults to a set of trials that each contained multiple spoken words and multiple pictures of individual objects; no information about word-picture correspondences was given within a trial. Nonetheless, over trials, subjects learned the word-picture mappings through cross-trial statistical relations. Different learning conditions varied the degree of within-trial reference uncertainty, the number of trials, and the length of trials. Overall, the remarkable performance of learners in various learning conditions suggests that they calculate cross-trial statistics with sufficient fidelity and by doing so rapidly learn word-referent pairs even in highly ambiguous learning contexts.     

Childhood obesity, gender, actual-ideal body image discrepancies, and physical self-concept in Hong Kong children: cultural differences in the value of moderation

Childhood obesity is increasingly prevalent in Western and non-Western societies. The authors related multiple dimensions of physical self-concept to body composition for 763 Chinese children aged 8 to 15 and compared the results with Western research. Compared with Western research, gender differences favoring boys were generally much smaller for physical self-concept and body image. Objective and subjective indexes of body fat were negatively related to many components of physical self-concept, but--in contrast to Western research--were unrelated to global self-esteem and slightly positively related to health self-concept. In support of discrepancy theory, actual-ideal discrepancies in body image were related to physical self-concept. However, consistent with the Chinese cultural value of moderation, and in contrast to Western results, being too thin relative to personal ideals was almost as detrimental as being too fat. The results reflect stronger Chinese cultural values of moderation and acceptance of obesity than in Western culture and have implications for social and educational policy in China.     

关注降压药物的选择，促使更有效的降压达标

我国成人高血压患病率高达18.8%,全国有高血压患者约1.6亿。合理的药物治疗是降压达标的主要措施,如何进行正确选择成为摆在我们面前的难题。目前,降压药物主要包括利尿剂、β受体阻断剂、血管紧张素转换酶抑制剂、血管紧张素Ⅱ受体拮抗剂、钙拮抗剂和α受体阻断剂6类。因降压治疗的收益主要来自于降压本身,为了提高降压达标率及高血压患者的用药依从性,目前多主张低剂量联合治疗。