厌恶情绪与自杀行为的关系

自杀导致人类死亡的人数与日俱增,然而自杀的心理机制却并不清楚。最近研究发现,厌恶情绪是导致自杀的主要情绪因素,个体因为自身厌恶而走向自杀。厌恶情绪是一种对自己和他人排泄物等反感的基本情绪,促进个体远离毒性和疾病,从而产生“免疫行为”。许多心理问题来自于对周围人或事物的厌恶,有自杀行为的个体对自身极其厌恶,说明他们的厌恶情绪出现了问题。如同躯体免疫攻击自身一样,自身厌恶是自杀意念的关键因素,早年创伤是其根源,生活压力和精神疾病也参与厌恶诱发自杀意念。厌恶诱发自杀意念的神经基础与HPA轴和五羟色胺系统有关。未来研究可利用神经影像和电生理等神经科学技术,检验自杀行为的神经机制,探讨厌恶情绪影响自杀行为的心理和神经机制。     

认知需求对个体信息加工倾向性的影响

认知需求指"个体参与和享受思考的倾向"。作为一种认知动机,研究者认为其影响了个体信息加工的倾向性。对国外近30年来的相关研究进行回顾,结果显示认知需求主要在努力程度、自主性和结果及其应用范围这三方面影响了个体的信息加工。最后,展望了认知需求的研究趋势,并从认知需求的测量、无关变量的控制、影响的长期性和稳定性,以及情感因素负荷四方面探讨了现有相关研究的不足。     

基于阶层线性理论的多层级中介效应

本文介绍了三种常见的多层级中介效应模型, 并根据阶层线性理论和依次检验回归系数的方法, 详述了多层级中介效应的检验步骤以及中介效应量的估计方法, 在2-1-1和1-1-1中介效应模型中, 推荐采用对层1自变量按组均值中心化, 同时将组均值置于层2截距方程式的中心化方法, 以实现组间和组内中介效应的有效分离。本文还展望了多层级中介效应模型的拓展方向, 即多层级调节性中介模型和多层级结构方程模型; 以及检验方法的拓展, 即Sobel检验和置信区间检验。     

Symmetric Contingency Logic with Unlimitedly Many Modalities

Journal of Philosophical Logic - The completeness of the axiomatization of contingency logic over symmetric frames has been thought of as a nontrivial job, the unimodal case of which cannot be...     

Credal pragmatism

According to doxastic pragmatism, certain perceived practical factors, such as high stakes and urgency, have systematic effects on normal subjects’ outright beliefs. Upholders of doxastic pragmatism have so far endorsed a particular version of this view, which we may call threshold pragmatism. This view holds that the sensitivity of belief to the relevant practical factors is due to a corresponding sensitivity of the threshold on the degree of credence necessary for outright belief. According to an alternative but yet unrecognised version of doxastic pragmatism, practical factors affect credence rather than the threshold on credence. Let’s call this alternative view credal pragmatism. In this paper, I argue that credal pragmatism is more plausible than threshold pragmatism. I show that the former view better accommodates a cluster of intuitive and empirical data. I conclude by considering the issue of whether our doxastic attitudes’ sensitivity to practical factors can be considered rational, and if yes, in what sense.

     

The Balanced Pseudocomplemented Ockham Algebras with the Strong Endomorphism Kernel Property

Studia Logica - An endomorphism on an algebra $${\mathcal {A}}$$ is said to be strong if it is compatible with every congruence on $${\mathcal {A}}$$ ; and $${\mathcal {A}}$$ is said to have the...     

第三方惩罚的神经机制：来自经颅直流电刺激的证据

第三方惩罚既是社会规范在群体得以维系的基石, 也是个体维护社会规范的体现。当前关注社会规范的神经研究大多基于第二方惩罚的独裁者或最后通牒实验框架, 缺乏对第三方维护社会规范过程中相关脑区活动的探索, 对这一过程的内在神经机制也不清楚。本文基于第三方惩罚的独裁者博弈框架, 对右侧背外侧前额叶区域(DLPFC)进行不同极性的经颅直流电刺激(tDCS), 同时依据第三方是否需要为其惩罚付出成本设计了零成本和有成本两个实验任务。结果发现, 第三方在零成本任务的情绪反应和惩罚显著受到tDCS设置的影响, 且阴极刺激显著提升了第三方的惩罚值, 这表明情绪机制对第三方惩罚有着重要影响。另外, 第三方在零成本和有成本任务中的惩罚差异在不同tDCS设置之间也存在显著差异, 这与第三方惩罚还受到自利机制影响的观点相符。本文率先为右侧DLPFC活动影响第三方惩罚提供了神经层面的证据, 且支持了第三方对社会规范的遵从与其负性情绪反应和自利加工密切相关的机制解释。     

文化心理学的跨学科运用——以跨文化传播研究为例

文化心理学是最近二三十年来心理学中发展最快的领域之一,作为一门典型的交叉学科,它有人类学、心理学、传播学等多种学科取向,是一门有胸怀、有气度、能包容的学科。文化心理学与跨文化传播研究诞生在相同的社会历史文化背景中,拥有共同的学科渊源,这种天然的关系决定了跨文化传播研究中运用文化心理学的正当性、必然性。文化心理学的全球化研究视角为跨文化传播研究提供了参照; 文化的观念、文化适应理论、文化敏感性和文化冲突理论等文化心理学的概念和理论为跨文化传播研究提供了理论支撑; 文化心理学还为跨文化传播现象和问题的具体研究提供了分析工具。反之,跨文化传播研究不仅为文化心理学提供了鲜活的案例,还为其理论建构提供了重要资源。     

多目标追踪在各类人群评价与训练中的应用

多目标追踪范式主要用来探讨动态情景下对多个目标的视觉注意和记忆加工过程, 早期研究侧重于追踪过程中的影响因素及加工机制。近年来, 越来越多的研究应用多目标追踪范式对各类人群进行评价与训练, 包括儿童、老年人、神经发育障碍患者、驾驶员、运动员、电子游戏玩家以及一些其他职业群体。总体来看, 多目标追踪表现越好, 在复杂快速的动态情境中的专业表现越好; 反之, 多目标追踪表现差, 标志着认知功能可能发育不成熟或出现衰退。并且, 多目标追踪还可作为认知训练的手段, 改善老年人和神经发育障碍患者的认知功能, 提高各职业人群的专业表现。未来, 多目标追踪作为评价和训练的方法还有很大的发展空间, 包括加强特殊职业人群的模拟训练, 扩展目标人群, 结合立体视觉和真实场景, 结合身体活动, 探索多人合作的多目标追踪, 拓展用于进行情绪和社会功能的评价与训练等。     

Gender differences in psychological morbidity,burnout, job stress and job satisfaction among Chinese neurologists: a national cross-sectional study

Women are an important part of the medical workforce, yet little is known about gender differences in psychological morbidity, burnout, job stress and job satisfaction among neurologists. This study assessed gender differences in a large national sample of Chinese neurologists. Multivariate analyses were performed to examine associations. A total of 5558 neurologists were included in the analysis. Compared with their male counterparts, female neurologists were generally younger; were less likely to be married or to have children; had higher levels of education; were in practice for a shorter period of time; were less likely to hold senior roles; and had lower incomes. Male and female neurologists worked similar hours and spent a similar number of nights on call. No gender differences were found in psychological morbidity, burnout, and high levels of job stress for female and male, respectively. Women had higher emotional exhaustion scores, while men were more likely to have low levels of job satisfaction. The multivariate analysis showed that factors independently associated with psychological morbidity, burnout, high levels of job stress and low levels of job satisfaction were generally similar for women and men. These findings increase our understanding of gender differences in psychological morbidity, burnout, job stress, and job satisfaction among neurologists. As more women join the medical profession, these differences may be useful in designing medical training and practice.