非常短暂呈现时间过程中的系列位置效应

以中国汉字为材料,考察不同系列项目呈现时间范式中的系列位置效应,并验证Ｎｅａｔｈ提出的区辨理论公式对中文材料的适用性。结果表明,在非常短暂的系列项目呈现时间,并且项目之间的时间间隔按不同中数比率变化的实验条件中．均存在明显的系列位置效应;但是Ｎｅａｔｈ提出的区辨理论的公式,不能预测本实验结果,从另一个方面说明汉字不同于拼音文字的特点。     

Some implications of a relational principle of reinforcement

A formal statement of a relational principle of reinforcement is developed that makes contact with analyses of choice, interresponse-time distributions, and stimulus control. Some implications for current theoretical and empirical work in the various areas are examined.     

THE RELATION BETWEEN CHOOSING AND WORKING PREVOCATIONAL TASKS IN TWO SEVERELY RETARDED YOUNG ADULTS

This study investigated the relation between prevocational preference, as measured by the client's selection of a task object, and the work that followed that choice. After selecting a task object, the clients worked a task previously assessed to be more or less preferred than the one indicated by the object. The results indicated that when the selection represented a task that was less preferred than the one actually worked, choices for that object increased on subsequent trials. Conversely, when the selection represented a task that was more preferred than the task subject actually worked, choices for the object decreased on subsequent trials. The work that followed object choices reinforced or punished subsequent selections. These findings indicated that the clients' object choices were valid indicators of their preference for working different tasks. They were also consistent with Premack's principle that one class of responses may reinforce or punish a different class of responses for the same individual.     

Matching, contrast, and equalizing in the concurrent lever-press responding of rats

Five rats pressed levers for food reinforces delivered by several concurrent variable-interval variable-interval schedules. The rate of reinforcement available for responding on one component schedule was held constant at 60 reinforcers per hour. The rate of reinforcement available for responding on the other schedule varied from 30 to 240 reinforcers per hour. The behavior of the rats resembled the behavior of pigeons pecking keys for food reinforcers. The ratio of the overall rates of responding emitted under, and the ratio of the time spent responding under, the two components of each concurrent schedule were approximately equal to the ratio of the overall rates of reinforcement obtained from the components. The overall rate of responding emitted under, and the time spent responding under, the variable component schedule varied directly with the overall rate of reinforcement from that schedule. The overall rate of responding emitted under, and the time spent responding under, the constant component schedule varied inversely with the overall rate of reinforcement obtained from the variable component. The local rates of responding emitted under, and the local rates of reinforcement obtained from, the two components did not differ consistently across subjects. But they were not exactly equal either.     

The Correspondence between Human Intelligibility and Physical Intelligibility: The View of Jean Ladrière

This article seeks to explain the correspondence between human intelligibility and that of the physical world by synthesizing the contributions of Jean Ladrière. Ladrière shows that the objectification function of formal symbolism in mathematics as an artificial language has operative power acquired through algorithm to represent physical reality. In physical theories, mathematics relates to observations through theoretic and empirical languages mutually interacting in a methodological circle, and nonmathematical anticipatory intention guides mathematical algorithmic exploration. Ladrière reasons that mathematics can make the physical world comprehensible because of the presence of a rational principle in both kinds of intelligibility.     

吴澄理学视野下的易学天人之学

吴澄是光显于元代的著名理学家、经学家和易学家.他在易学的象数之学方面整合汉宋而创辟己见,而在义理之学方面则以全新理学视野解读<周易>经传,开显出<周易>吴氏学--一种理学视野下的独特易学天人之学.其基本内容是:天道为人道的终极价值根据,人宜推天遭以明人事,法天道以开人文;天道性命相贯通,由理气所造化出的天人万象相互内在,息息相通,一体无隔,构成一无限宏大的一本而万殊的有机宇宙生存共同体与生命共同体;万象如此而相连一体、动态流转着的这个世界,亦遂成为人的整个生活的世界;人应透过自觉的德性涵养修为工夫,变化气质,最大限度地彰显出与天地之理一而不二的本然正性,豁醒自足之整体人文生命理性意识,令生命最终达致成为天地之理圆满化身与自觉而圆融体现者的天地境界,进而挺立自己生命的主体性,确立应然的正大宇宙人生担当,促成天理沛然流行、和谐有序而通泰的有机人的生活世界的建立.     

开展活体器官移植的伦理学思考

活体器官移植起源于器官移植技术的最初阶段,目前已经成功开展了肾脏,肝脏,肺脏、小肠、脾脏等器官的活体移植手术,事实表明该技术不仅有其科学依据,而且有其伦理学依据,即以人类自身伟大的奉献精神来关爱他人。但开展这一技术时务必需要遵循知情自愿原则,生命价值原则,利益和风险并存原则。当然在积极肯定这一技术的同时,也应该看到这一技术也存在一些伦理学方面尚未解决的问题。     

晚期乳腺癌如何选择内外科治疗

晚期乳腺癌包括局部病变较晚、无法直接手术的患者和初诊时已有远地转移M1及手术后的复发转移患者。目前,我们国家对于这些患者的处理非常混乱,往往初始治疗与首次接诊医生的专业范围大有相关。孤立病灶的晚期乳腺癌患者,全身播散背景已成定势,全身药物治疗才是最重要的治疗手段。对于已经全身转移的晚期乳腺癌患者来讲,是否加用局部病灶切除,需根据患者的全身情况而定。任何一种治疗的选择及安排都应按照药品临床试验管理规范（GCP）原则进行,以期最大限度改善生活质量及生存时间。     

人类增强技术的伦理考量

人类增强技术作为利用高新技术提高人类机体功能或能力的一种技术干预手段,是对人类身体进行的一种技术上的改变,这必然在“人是什么”、社会公平、安全与自主权等方面引发一定的社会伦理问题。而这正是对“人是目的,而不仅仅是手段”这一绝对律令的违背。由此需要对人类增强技术进行全面的评估,从坚守“增强底线原则”、相关法规的制定和加强伦理审查等方面采取有效对策,预防或减少不良后果的产生。这样才能保证人类增强技术的发展做到有效性与合理性、真理性与价值性、安全性与效益性的完美统一。     

Language Acquisition is Language Change

According to the theory of Universal Grammar, the primary linguistic data guides children through an innately specified space of hypotheses. On this view, similarities between child-English and adult-German are as unsurprising as similarities between cousins who have never met. By contrast, experience-based approaches to language acquisition contend that child language matches the input, with nonadult forms being simply less articulated versions of the forms produced by adults. This paper reports several studies that provide support for the theory of Universal grammar, and resist explanation on experience-based accounts. Two studies investigate English-speaking children’s productions, and a third examines the interpretation of sentences by Japanese speaking children. When considered against the input children are exposed to, the findings of these and other studies are consistent with the continuity hypothesis, which supposes that child language can differ from the language spoken by adults only in ways that adult languages can differ from each other.