记忆与学习的脑化学研究——海马内注射胰蛋白酶与核糖核酸酶对大白鼠暗箱回避模式记忆的影响

问题的提出 记忆与学习的规律及其脑机制的研究,历来是生理心理学中最为活跃而富有成效的研究领域之一。随着分子生物学、神经化学与脑科学研究的近代进展,“记忆之谜”——特别是记忆与学习的脑化学基础(分子基础),正越来越引起心理学、生物学、医药学及有关研究者们的广泛重视与热烈讨论。本世纪三十年代,以美国著名心理学家     

儿童自我意识发展机制初探

本文在对以往有关研究分析的基础上指出,自尊需要早在自我意识成熟之前就已存在,并且是儿童自我意识发展的内在动力,当儿童逐渐在多方面认识事件的自我意义,从而更为主动、合理地满足自尊需要时,自我意识便得以发展.儿童的自尊需要和自我认识水平相互作用,不仅形成了自我意识的纵向发展差异,而且形成了横向个体差异。     

儿童理解程度副词的特征

本实验用模糊数学方法研究4—9岁儿童对程度副词的理解特征。结果说明9岁儿童的理解达到了成熟水平;幼儿偏向于夸大理解程度副词的词义;7、8岁是发展的转折期。     

家庭支持型主管行为对员工的影响与作用机制：基于元分析的证据

为厘清家庭支持型主管行为对员工的独特影响,并比较不同的作用机制,本研究对包含204个独立样本、340个效应值及91145名员工的164篇文献进行了元分析,结果发现：(1)与一般主管支持行为相比,家庭支持型主管行为对员工的任务绩效、创新行为和生活满意度有更强的积极影响。(2)工作对家庭冲突(资源视角)、领导-成员交换(交换视角)和情感承诺(情感视角)均能解释家庭支持型主管行为对员工的作用机制,并互为补充。具体而言,三者均能中介家庭支持型主管行为对任务绩效的影响;领导-成员交换和情感承诺在家庭支持型主管行为与创新行为间起中介作用;工作对家庭冲突和领导-成员交换则在家庭支持型主管行为影响生活满意度中发挥中介效应。研究结果为家庭支持型主管行为的影响效果提供了可靠结论,也有助于深入理解其作用机制。     

Intergenerational relationships and marriage in China: Within-family longitudinal associations and between-family differences

Marriage is embedded in the web of spouses' broader social ties, and relationship quality with parents and parents-in-law is associated with marital quality. Guided by Family Systems theory and using three waves of dyadic data from 268 Chinese different-sex couples across the first several years of marriage, we first conducted a Random-Intercept Actor-Partner Interdependence Cross-lagged Panel Model (RI-APIM-CLPM) to examine the within-family longitudinal associations among husbands' and wives' relationship quality with parents, parents-in-law, and spouse. Then, husbands' and wives' filial obligations were added as predictors of between-family differences in their own and their partner's relationship quality in the three social ties. Among husbands, increased relationship quality in one social tie (e.g., with parents) predicted reductions in relationship quality in the other social ties (e.g., relationships with parents-in-law and marital quality). Our examination of between-family differences demonstrated that high levels of filial obligations predicted higher intergenerational relationship quality and marital quality. By simultaneously considering the within-family associations of multiple social ties and how filial obligations account for between-family differences in relationship quality, we contribute to a nuanced understanding of how Chinese couples' romantic partnerships are embedded in their broader family system.     

Bi-directional relations between behavioral problems and executive function: Assessing the longitudinal development of self-regulation

During childhood, the ability to limit problem behaviors (i.e., externalizing) and the capacity for cognitive regulation (i.e., executive function) are often understood to develop in tandem, and together constitute two major components of self-regulation research. The current study examines bi-directional relations between behavioral problems and executive function over the course of childhood and adolescence. Relying on a diverse sample of children growing up in low-income neighborhoods, we applied a random intercept cross-lagged panel model to longitudinally test associations between behavioral problems and executive function from age 4 through age 16. With this approach, which disaggregated between- and within-child variation, we did not observe significant cross-lagged paths, suggesting that within-child development in one domain did not strongly relate to development in the other. We also observed a moderate correlation between the stable between-child components of behavioral problems and executive function over time in our preferred model, suggesting that these two domains may be relatively distinct when modeled from early childhood through adolescence.     

How do friendship artificial intelligence chatbots (FAIC) benefit the continuance using intention and customer engagement?

Although there have been many AI chatbots in industry service, social media, and e-commerce platforms, research on AI chatbots such as Replika, neglected the effects of human-like traits on users' continuance using intention. This article aims to explore the main effects of human-like traits (perceived warmth vs. perceived competence) of friendship AI chatbots (FAIC) on continuance using intention and customer engagement, and the moderating effects of the need to belong and information sensitivity. Three studies are conducted to collect data (N_total = 1420). Our findings of Study 1 demonstrate that perceived warmth and perceived competence can increase the continuance using intention to FAIC and customer engagement, and perceived usefulness plays a mediating role in our conceptual model. Additionally, consumers' need to belong (high vs. low) (Study 2) and information sensitivity (high vs. low) (Study 3) related to chat contents moderate the main effects significantly. This article contributes to the literature on the relationship between FAIC and consumers by presenting the influence of perceived warmth and perceived competence and establishing the underlying process. Analogously, the findings can be beneficial for marketers and firms in designing and developing the coding program of FAIC to promote consumers' continuance using intention and customer engagement.     

Should a luxury Brand's Chatbot use emoticons? Impact on brand status

Luxury brands are increasingly adopting chatbots for online customer service. But, little is known about the role of adding design features such as emoticons on customers' luxury experience. This study fills this research gap by exploring the influence of a luxury brand chatbot's adoption of emoticons on status perception and its underlying mechanisms. Results from two experiments suggest that luxury brands might be better off not using emoticons in chatbot communications because it dampens the brand status perception due to perceived unexpectedness, which in turn decreases the perception of the appropriateness of the interaction with chatbots. However, this negative effect of luxury brand's use of emoticons in chatbot communication only exists for traditional luxury brands, not for masstige brands. This study advances the literature on AI, particularly regarding luxury brand-specific chatbot applications. It also offers insights for luxury brand managers that they should be cautious in adopting emoticons in chatbot communication given the risk of ruining the brand status, especially when the brand is a traditional luxury brand as opposed to a masstige brand.     

Individual differences in harm-related moral values are associated with functional integration of large-scale brain networks of emotional regulation

Emotions affects moral judgements, and controlled cognitive processes regulate those emotional responses during moral decision making. However, the neurobiological basis of this interaction is unclear. We used a graph theory measurement called participation coefficient (‘PC’) to quantify the resting-state functional connectivity within and between four meta-analytic groupings (MAGs) associated with emotion generation and regulation, to test whether that measurement predicts individual differences in moral foundations-based values. We found that the PC of one of the MAGs (MAG2) was positively correlated with one of the five recognized moral foundations–the one based on harm avoidance. We also found that increased inter-module connectivity between the ventromedial prefrontal cortex, dorsolateral prefrontal cortex and middle temporal gyrus with other nodes in the four MAGs was likewise associated with higher endorsement of the Harm foundation. These results suggest that individuals' sensitivity to harm is associated with functional integration of large-scale brain networks of emotional regulation. These findings add to our knowledge of how individual variations in our moral values could be reflected by intrinsic brain network organization and deepen our understanding of the relationship between emotion and cognition during evaluations of moral values.