The automatic and the expected self: separating self- and familiarity biases effects by manipulating stimulus probability

Attentional control over prepotent responses has previously been shown by manipulating the probability with which stimuli appear. Here, we examined whether prepotent responses to self-associated stimuli can be modulated by their frequency of occurrence. Participants were instructed to associate geometric shapes with the self, their mother, or a stranger before having to judge whether the sequential shape–label pairs matched or mismatched the instruction. The probability of the different shape–label pairs was varied. There was a robust advantage to self-related stimuli in all cases. Reducing the proportion of matched self pairs did not weaken performance with self-related stimuli, whereas reducing the frequency of either matched mother or stranger pairs hurt performance, relative to when the different match trials were equiprobable. In addition, while mother and stranger pairs jointly benefitted when they both occurred frequently, there were benefits only to self pairs when the frequency of self trials increased along with either mother or stranger trials. The results suggest that biases favoring self-related stimuli occur automatically, even when self-related stimuli have a low probability of occurrence, and that expectations to frequent, self-related stimuli operate in a relatively exclusive manner, minimizing biases to high-probability stimuli related to other people. In contrast, biases to high-familiarity stimuli (mother pairs) can be reduced when the items occur infrequently and they do not dominate expectations over other high-frequency stimuli.     

临床共情与护理技术结合:人性化的护理

临床共情是一种能体验患者内心世界的能力,通过患者的言语和非言语表达,觉察和认识患者情感和情绪需求,并对其做出恰当的回应.临床共情具有科学的理论和实践基础,具有缓解患者心理上的痛苦,改善护患关系,促进患者康复等作用.在当今复杂的医疗环境下,务必要重视共情培养,适时运用临床共情.然而,我们强调临床共情的重要作用,并不能忽视护理技术的根本作用,根除躯体上的病变仍有赖于护理技术的有效性.在临床护理实践中,坚持共情与护理技术的有机结合,推进人性化的护理构建.     

How facial attractiveness affects sustained attention

The present study investigated whether and how facial attractiveness affects sustained attention. We adopted a multiple‐identity tracking paradigm, using attractive and unattractive faces as stimuli. Participants were required to track moving target faces amid distractor faces and report the final location of each target. In Experiment 1, the attractive and unattractive faces differed in both the low‐level properties (i.e., luminance, contrast, and color saturation) and high‐level properties (i.e., physical beauty and age). The results showed that the attractiveness of both the target and distractor faces affected the tracking performance: The attractive target faces were tracked better than the unattractive target faces; when the targets and distractors were both unattractive male faces, the tracking performance was poorer than when they were of different attractiveness. In Experiment 2, the low‐level properties of the facial images were equalized. The results showed that the attractive target faces were still tracked better than unattractive targets while the effects related to distractor attractiveness ceased to exist. Taken together, the results indicate that during attentional tracking the high‐level properties related to the attractiveness of the target faces can be automatically processed, and then they can facilitate the sustained attention on the attractive targets, either with or without the supplement of low‐level properties. On the other hand, only low‐level properties of the distractor faces can be processed. When the distractors share similar low‐level properties with the targets, they can be grouped together, so that it would be more difficult to sustain attention on the individual targets.     

眼睛效应不稳定与感知规范：一个新视角

眼睛效应指人们面对眼睛或类似眼睛的图案时会发生行为改变的现象。但是, 眼睛效应的稳健性备受争议, 主要有4种观点：促使人们更亲社会、更遵守社会规范、降低反社会行为、无效果。结合规范错觉和创新扩散理论, 基于感知规范的视角, 当感知亲社会规范流行程度较高时, 眼睛效应既会“促进亲社会行为”或“促进人们遵守社会规范”, 也会“降低反社会行为”; 但当感知亲社会规范流行程度较低时, 眼睛效应对一些反社会行为“无效果”; 当规范错觉较大且无规范干预时, 眼睛效应同样对一些反社会行为无效果。因此, 将以上4种争议观点整合为“不同感知规范条件下的眼睛效应”, 揭示了眼睛效应不稳定的原因, 为未来实证研究和实践应用提供理论基础。     

新世纪20年国内测验信度研究

随着验证性因子分析模型的应用, 信度研究进入了崭新的发展阶段。新世纪前20年国内有关测验信度的研究有三条发展主线。一是基于验证性因子模型的信度发展, 包括同质性系数、合成信度、最大信度等; 二是数据类型的拓展, 包括两水平和追踪数据的信度; 三是信度用途的拓展, 如评分者信度、编码者信度等。对于通常的测验(题目之间的测量误差不相关), 如果α系数够高, 信度就够高; 否则使用合成信度。如果一个统计模型中所有变量的合成信度都很高(超过0.95), 使用显变量建模与使用潜变量建模的结果差别不大; 否则, 使用潜变量建模较好。     

国内中介效应的方法学研究

中介效应可以分析自变量对因变量的影响过程和作用机制, 已成为分析多个变量之间关系的一种重要统计方法。最近20年, 中介效应成了研究方法的一个热点。从中介效应的检验方法、效应量、类别变量的中介效应检验、纵向数据的中介效应检验和模型拓展(包括多重中介、多层中介、有调节的中介和有中介的调节模型)五个方面系统总结了国内中介效应的方法学研究的发展历程。最后对中介效应的国外方法学研究进展和中介效应的未来研究方向做了讨论和拓展。     

三维动静态场景下返回抑制的扩散

使用虚拟现实技术探讨三维动静态空间下返回抑制是否敏感于深度线索及返回抑制效应是否存在空间扩散。采用线索−靶子范式,分别设置三维静态和动态场景。结果发现：三维静态场景,不同深度及不同侧位置均发生返回抑制且产生效应大小有差异;三维动态场景,不同线索条件反应时无显著差异。结果表明,三维静态场景下,返回抑制敏感于深度线索,其效应在空间中存在扩散;客体运动破坏了返回抑制的产生及其效应的空间扩散。     

论孔子“均、和、安”的公平正义思想

孔子的“均、和、安”思想内含着丰富的中国传统公平正义意蕴。孔子以“均”为基,以“和”为贵,以“安”为重,将分配正义与仁义道德、民本经济统一起来,形成从“各得其分”的等级分配正义层面,到“崇仁尚中”的内生道德正义层面,再到“藏富于民”的民本经济正义层面的理论逻辑,建构出一套有机联系的传统公平正义思想体系。以“义”为内在根据的等级分配正义约束逐利欲望膨胀以缩小贫富差距,保持财富均衡;以“仁”为本源的内生道德正义缓解社会等级固化以保障民之平等,维护社会和谐;以“利”为发展动力的民本经济正义增进民之福祉以实现富国裕民,保障国泰民安。     

Working memory task decreases the survival of newly born neurons in hippocampus

Throughout life new neurons are generated in dentate gyrus of hippocampus. Previous studies have found that spatial tasks can rescue newly born neurons from death. However, it is still unknown whether new neurons are similarly affected by all types of hippocampal-dependent tasks. Here we investigated the possible effects of working memory task (WMT) on immature neurons. Mice were trained in reference memory task and WMT respectively. The reference memory task used the classical hidden platform (HP) water maze task, while WMT used a delayed matching-to-place (DMTP) water maze task. Bromodeoxyuridine (BrdU) was administrated during the early or late phase of training, or 1week prior to training, in order to label dividing proliferating cells. After water maze training, the number of BrdU-labeled cells in dentate gyrus of hippocampus was compared. In addition, hippocampal brain-derived neurotrophic factor (BDNF) and Notch 1 receptor were characterized using Western blot. Serum corticosterone levels were also measured using enzyme immunoassay. Results showed that HP task and DMTP task did not change the number of BrdU-labeled cells produced during the early or late phase of training. As expected, the HP task increased the number of BrdU-labeled cells produced 1 week prior to training. However, DMTP task decreased the number of BrdU-labeled cells produced 1 week prior to training. Both tasks lead to a significant increase in serum corticosterone levels and did not change the expression of BDNF and Notch 1 receptor in hippocampus. Taken together, these results demonstrate that WMT has different effects on survival of immature neurons, and therefore suggests immature neurons may have more than one role depending on the demands of the tasks.