认知灵活性对非熟练双语者语言转换的影响--一项ERPs研究*

采用 WCST 筛选出高低认知灵活性的非熟练汉英双语者,分别使用图片命名和语义范畴判断任务考察认知灵活性对双语者语言转换的影响。结果发现：(1)高认知灵活性被试的双语转换代价是对称的,其N2成分的平均波幅和峰值显著大于低认知灵活性被试,低认知灵活性被试的转换代价是非对称的;(2)高认知灵活性被试在语言产生任务中, L2重复条件下N2的峰值显著大于L1重复条件,出现L2重复优势效应;(3)在语言理解任务中,高低认知灵活性被试在L1重复条件下的N2峰值显著大于L2重复条件,两组均出现了L1重复优势效应。研究表明,抑制控制能力在语言产生与理解的双语转换中起着重要的作用,语言转换代价源于心理词典的字词识别系统之外。     

非那雄胺与前列腺癌发病率及病理分级的Meta分析

应用Meta分析法对有关非那雄胺与前列腺癌发病率及病理分级关系的研究进行综合评价.符合标准的8篇文献进行Meta分析,计算比值比(OR),95%可信区间(95%C1).结果8篇文献,无异质性(Q=6.26,P=0.51),非那雄胺治疗组降低前列腺癌发病风险高于对照组,合并OR值为0.68(95%CI:0.65～0.71,Z=17.16,P=0.00).Egge:检验提示无发表偏倚(P=O.21).对前列腺癌病理分级进行分组,非那雄胺治疗组前高于对照组.合并OR值为2.16(95%CI:1.97～2.36,Z=16.93,P=0.00).非那雄胺治疗前列腺增生能降低前列腺癌的发病风险,也能使发生的前列腺癌的病理级别增高.     

解决"以药养医"问题的演化博弈分析

能否妥善解决"以药养医"问题已经成为保持社会的稳定与和谐、促进经济健康发展亟待解决的社会问题之一.以探讨其经济学原因为起点,以政府和医院作为博弈方进行演化博弈分析,推论出政府与医院之间的互动演化关系,并提出完善医疗体制的融资渠道、发挥电子信息技术优势等政策建议.     

21世纪仍然需要大力弘扬和培育雷锋精神——纪念“向雷锋同志学习”题词发表40周年

新的时代需要雷锋精神,雷锋精神也完全能够同改革开放、发展市场经济,全面建设小康社会,加快社会主义现代化建设,开创中国特色社会主义事业新局面的时代要求结合起来。     

微创医学中的介入性超声

超声检查具有实时、动态、灵活、方便等优点,在临床上有重要作用.介入性超声是在超声显像的基础上,为进一步满足临床诊断和治疗的需要而发展起来的一门新技术,在微创医学体系中占有非常重要的地位,但只有与其它微创技术联合应用才更有活力和生机.     

构建"医患沟通学"的思考与探索

中国医患关系紧张的原因涉及观念、国情、法制、政策、制度、医疗方式等.构建"医患沟通学"有重要的意义:医患迫切需要恢复和谐信任关系;新型医学模式变革、医学人才的培养及医学发展等更需要搭建"医患沟通"新的研究平台,并完善其理论.医患沟通实践与研究的过程,就是临床教师、医务卫生人员提高医学人文素质和实践能力的新途径.     

Prevalence of Cognitively Intact Individuals Residing in Extended Care Nursing Facilities

There appears to be a relative absence of studies that have examined the prevalence of cognitively intact individuals who reside in extended care facilities. Prevalence data were collected on 296 persons who resided in 3 extended care nursing facilities in Central Virginia. Cognitive intactness was evaluated via the Minimum Data Set Cognitive Performance Scale (CPS) and an author-generated survey (i.e., Cognitively Intact Survey [CI Survey]) of select nursing staff members at each facility. The Mini-Mental State Examination (MMSE) was utilized to examine the accuracy of the two measures in identifying cognitive intactness. Findings indicated that prevalence rates of cognitively intact residents varied as a function of the measures utilized to assess intactness. Specifically, a significantly greater proportion of the total sample of residents was judged to be cognitively intact via the CI Survey (34.12%) as compared to the CPS (26.01%). The level of interjudge agreement between the two measures was found to be moderately high (K = 0.68). When the MMSE was employed to verify individuals' levels of intactness, the percentages of residents predicted to actually be cognitively intact were somewhat lower for each measure. Specifically, based on the data obtained via the CI Survey, 22.75% of the total sample were predicted to actually be cognitively intact, whereas 17.85% of the sample were predicted to be intact based on the CPS results. Findings are discussed in light of factors that may have contributed to the differential prevalence rates of cognitively intact individuals obtained across the measures utilized in this study. Concerns regarding the utilization of the MMSE as a criterion measure of cognitive intactness in persons residing in extended care nursing facilities are provided, along with data on the living environments/roommate statuses of those residents judged to be intact via the CI Survey. Implications for the design of future extended care nursing units, as well as future research, are also included.     

从循证医学看目前冠心病的药物治疗

为使冠心病患者尽可能达到最优化的药物治疗,结合最近几年出现的大型临床研究,分析了不同冠心病患者应采取的合理药物治疗措施及可能带来的益处,并针对我国现状,提出了相应的解决方案。     

《周易·说卦传》中的类问题

论文通过对<说卦>中纷繁的类现象的讨论,旨在说明周易观象取类思维的规律,从而接通中国学术中类思维的规律,指出类思维是贯穿在古代思想学说中最一般的规则.     

心理危机脆弱性量表的编制及信效度检验

在文献分析和专家评定的基础上,通过访谈和问卷调查,编制了初始的心理危机脆弱性问卷。通过项目分析、探索性因素分析和验证性因素分析对初始问卷进行修订,最终形成的正式量表包含四个维度：挑战力、应对力、支持力和恢复力。结果表明,心理危机脆弱性量表具有较高的内部一致性信度、重测信度以及较好的内容效度、结构效度和效标效度。该量表的心理测量学指标良好,可以作为我国成年人心理危机脆弱性的测量工具。