论健康权的国际合作与援助义务

目前,在全球健康领域存在诸多不平等,各国均有义务对外开展合作与援助。这种健康权的国际合作与援助义务主要以国际法规则和有关政治承诺为基础,由此也明确了该义务的依据和范围。我国作为发展中的大国,要辩证地看待这项国际义务：既应积极履行该项国际义务,同时也要努力寻求国际合作,并完善本国健康权保护体系。     

生态心理学——心理学研究模式的转向

生态心理学是西方心理学的一种新取向,它在方法论上倡导将交互作用原则作为主要研究原则,具体来说,就是主张实际生活环境的研究原则、多元方法选择原则、多元交互解释原则,这些原则带来了心理学研究模式的转向：从探讨思辨中或实验室中的心理向探讨真实环境中的心理转变;从人的心理内部机制的探求转向对人和环境互动关系的探求;从对理论模型的追问到对理论背景与实验设计之间匹配的关注;从分析性思维模式为主转向综合性思维模式。     

白鹤道人的故事

梁武帝天监初年,有一位道人,世人不知其何许人也,更不知其尊姓大名,因常驾白鹤云游天下,故人们尊称日白鹤道人.据<潜山县志·仙释传>记载:他周览各地名山大川,礼拜全国三十六洞天、七十二福地.一天,慕名来到天柱山,朝谒第十四洞天、第五十七福地.见天柱山山体雄伟,气势磅礴,高入苍穹,云飞雾绕,神气氤氲,遂萌生在山中结庐炼修之意.     

Activation of amygdaloid PKC pathway is necessary for conditioned cues-provoked cocaine memory performance

Drug-associated cues are critical in reinstating the drug taking behavior even during prolonged abstinence and thus are thought to be a key factor to induce drug craving and to cause relapse. Amygdaloid complex has been known for its physiological function in mediating emotional experience storage and emotional cues-regulated memory retrieval. This study was undertaken to examine the role of basolateral nuclei of amygdala and the intracellular signaling molecule in drug cues-elicited cocaine memory retrieval. Systemic anisomycin treatment prior to the retrieval test abolished the cues-provoked cocaine conditioned place preference (CPP) memory. Likewise, a similar blockade of cues-provoked cocaine CPP performance was achieved by infusion of anisomycin and cycloheximide into the basolateral nuclei of amygdala before the test. Intra-amygdaloid infusion of H89, a protein kinase A inhibitor, or U0126, a MEK inhibitor, did not affect retrieval of the cues-elicited cocaine CPP memory. In contrast, intra-amygdaloid infusion of NPC 15437, a PKC inhibitor, abolished the cues-elicited cocaine CPP expression, while left the memory per se intact. Intra-amygdaloid infusion of NPC 15437 did not seem to affect locomotor activity or exert observable aversive effect. Taken together, our results suggest that activation of PKC signaling pathway and probably downstream de novo protein synthesis in the basolateral nuclei of amygdala is required for the cues-elicited cocaine memory performance. However, temporary inhibition of this signaling pathway does not seem to affect cocaine CPP memory per se.     

Treadmill exercise enhances passive avoidance learning in rats: the role of down-regulated serotonin system in the limbic system

While serotonin (5-HT) may impair learning and memory, exercise has been reported to improve them. Whether chronic exercise can facilitate fear memory via regulating the serotonin system is unknown. We examined the effects of 4-week treadmill exercise training on levels of 5-HT and its metabolite 5-hydroxyindoleacetic acid (5-HIAA), the protein expression of its receptor 5-HT_1A and transporter in the amygdala, hippocampus and prefrontal cortex of male Sprague–Dawley rats. Our results demonstrated that treadmill exercise (1) improved the passive avoidance learning performance; (2) decreased the 5-HT level in the hippocampus; (3) decreased the expression of 5-HT_1A receptor in the amygdala without altering the transporter expression. Moreover, pretreatment with 0.1 mg/kg 8-hydroxy-di-n-propylamino tetralin, a selective 5-HT_1A receptor agonist, impaired the passive avoidance performance and completely abolished the exercise-enhanced fear memory. Our results suggest that down-regulation of the 5-HT system in the limbic system, i.e., the reduction of the hippocampus 5-HT content and the amygdala 5-HT_1A receptor expression, may be involved in the exercise-enhanced fear memory.     

国外青少年身体活动动机理论及其对体育教育的启示

青少年在身体活动领域参与程度的下降趋势已经成为全球性的问题.目前,国内外研究者们对身体活动行为背后的参与动机给予了广泛的研究.本文对国外青少年身体活动动机研究的理论进行了梳理,在此基础上总结青少年身体活动参与动机的特点,并针对我国的体育教育工作提出建议,为我国的体育教育工作提供参考.     

从邻域语义学的观点看否定

论文采用否定邻域框架系统地分析了各种弱否定的对应性与典范性。我们讨论了七个与弱否定相关的序列（sequent）,其对应性与典范性如下表所示：与常见的处理弱否定的星框架与相容框架相比,否定邻域框架的处理能力更强,采用后者所得的结果比采用前两者所得的结果更为一般。很多文献中的结果都是本文采用否定邻域框架所得结果的特例。     

Testing the Mediating Effect of the Quality of College Life in the Student Satisfaction and Student Loyalty Relationship

This study tests the mediating effect of the quality of college life (QCL) in the student satisfaction and student loyalty relationship. QCL refers to the degree of need satisfaction and the experiences that create a positive affect throughout college life. The QCL of students is conceptualized as a higher order construct that is composed of need satisfaction and affect balance. It has been hypothesized that student satisfaction with university services has a significant impact on QCL, which in turn positively influences student loyalty. The results from the survey of 228 college students largely supported the model. Both the managerial and policy implications of this study are discussed.

国外已决犯监狱服刑人员自尊研究综述

几十年来,国外学术界对于被监禁人员的自尊问题进行了很多研究,并取得了诸多研究成果。本文对有关已决犯监狱服刑人员的自尊研究进行了简要回顾,对相关研究及其成果进行了简要介绍,对研究的特点、局限进行了总结,并在此基础上尝试提出了未来研究应关注的要点。     

多维测验项目参数的估计：基于SEM与MIRT方法的比较

作者简要回顾了SEM框架下分类数据因素分析(CCFA)模型和MIRT框架下测验题目和潜在能力的关系模型, 对两种框架下的主要参数估计方法进行了总结。通过模拟研究, 比较了SEM框架下WLSc和WLSMV估计方法与MIRT框架下MLR和MCMC估计方法的差异。研究结果表明：(1) WLSc得到参数估计的偏差最大, 且存在参数收敛的问题; (2)随着样本量增大, 各种项目参数估计的精度均提高, WLSMV方法与MLR方法得到的参数估计精度差异很小, 大多数情况下不比MCMC方法差; (3)除WLSc方法外, 随着每个维度测验题目的增多参数估计的精度逐渐增高; (4)测验维度对区分度参数和难度参数的影响较大, 而测验维度对项目因素载荷和阈值的影响相对较小; (5)项目参数的估计精度受项目测量维度数的影响, 只测量一个维度的项目参数估计精度较高。另外文章还对两种方法在实际应用中应该注意的问题提供了一些建议。