适应性时间管理：死亡意识对时间知觉和跨期决策的影响

死亡意识是个体对自身死亡必然性的认识; 基于进化适应性的考量, 作者认为具有前瞻性的死亡意识作为人类特有的认知能力和个体生命史的终极坐标, 不仅可能引起恐惧感和防御反应, 更重要的是可以帮助人们做出适应性的时间管理。据此推论, 死亡意识的启动会加强人们对时间有限性的关注, 体验出更强的时间流逝感, 影响人们对时间的评估, 以及人们对不同时间点的成本与收益进行权衡而做出的跨期决策。本研究采用死亡凸显范式启动死亡意识, 通过两个实验探讨了死亡意识、时间知觉和跨期决策三者之间的关系。结果发现, 死亡意识启动使被试低估时间距离, 并表现出较低的跨期决策延迟折扣率, 从而在较小的即时获益与更大的延迟的获益之间更为偏好未来导向的选项。进一步的分析显示, 时间知觉在死亡意识和跨期决策延迟折扣率之间起到部分中介变量的作用。以上的研究结果初步揭示了死亡意识在时间管理上的适应性价值。     

英语语音意识在汉语儿童英语单词阅读及拼写中的作用

本研究考察了英语语音意识在小学汉语儿童英语单词读写学习中的作用。对189名小学儿童的研究表明:(1)一、二、五年级在首音和韵脚意识上差异显著;在音位意识上,一、二年级差异不显著,五年级显著高于其他两个年级;(2)各年级儿童的语音意识与其英语单词读写均存在显著相关;(3)控制英语口语词汇量后,一年级的首音意识显著解释其单词读写的变异,二年级的首音意识显著解释其单词拼写的变异,五年级的音位意识显著解释其单词读写的变异;(4)各年级的语音意识对单词拼写较之于阅读都具有更强的变异解释力。可见,小学汉语儿童的英语语音意识与其单词读写存在密切联系,语音意识与拼写的关系相对更为紧密;首音意识对早期读写发展具有重要意义,而音位意识在后期读写学习中的作用更为突出。     

Towards a “Sophisticated” Model of Belief Dynamics. Part II: Belief Revision.

In the companion paper (Towards a “sophisticated” model of belief dynamics. Part I), a general framework for realistic modelling of instantaneous states of belief and of the operations involving them was presented and motivated. In this paper, the framework is applied to the case of belief revision. A model of belief revision shall be obtained which, firstly, recovers the Gärdenfors postulates in a well-specified, natural yet simple class of particular circumstances; secondly, can accommodate iterated revisions, recovering several proposed revision operators for iterated revision as special cases; and finally, offers an analysis of Rott’s recent counterexample to several Gärdenfors postulates [32], elucidating in what sense it fails to be one of the special cases to which these postulates apply.     

Unemployment and aggression: the moderating role of self-awareness on the effect of unemployment on aggression

In February 2005, the unemployment rate in Germany surpassed the 10% mark. Derived from the revised version of the frustration-aggression hypothesis [Berkowitz, 1989], the present studies investigated the association between unemployment and aggression, as well as the moderating role of the self in this context. Because previous research on unemployment and aggression has been plagued by the cause-and-effect issue, the present research employed both an experimental and a correlational field approach. Three studies revealed that participants who expected to be unemployed after their degree (Studies 1 and 3), or who were currently unemployed (Study 2), reported stronger aggressive inclinations than participants who expected not to be unemployed or who were not unemployed at the time of data collection. However, this aggression-eliciting effect of expected or real unemployment only occurred for participants with low self-awareness. Participants who could actualize their self prior to reporting on aggression were not differently affected by different expectations or states of unemployment.     

条件联结觉察在评价性条件反射中的作用

评价性条件反射(Evaluative Conditioning, EC)指通过将一个中性刺激和一个情绪性刺激重复配对, 使中性刺激获得情绪性刺激的情感性评价。条件联结觉察(Contingency Awareness)指被试觉察到中性刺激和情绪性刺激的配对规律。当前, 条件联结觉察在EC中的作用尚存争议。一些研究证明, 条件联结觉察独立于EC, 甚至阻碍了EC; 另一些研究则表明, 条件联结觉察促进EC的发生; 还有些研究发现条件联结觉察在EC中的作用受其他变量的调节。因此, 在将来的研究中, 需发展出更准确的觉察测量、检验其他变量的调节作用、加强多感觉通道的EC研究、探索EC的加工机制。     

工作记忆在监控作业情境意识保持中的作用

本研究通过模拟复杂人机系统的监控作业,考察了长时工作记忆与短时工作记忆在情境意识保持中的作用。研究采用模拟的飞行相撞判断任务,通过考察中断任务对情境意识的影响,分析情境意识在记忆中的存储地点,以及保持时间是否会突破1分钟的限制。本研究选择了心理旋转和算式判断两种中断任务。实验结果表明,在问题回答之前的中断阶段,无论施加心理旋转任务,还是施加算式判断任务,无论中断任务的加工负荷与记忆负荷有多高,熟练被试的情境意识始终保持于较高的水平,并没有因受到中断任务的干扰而出现下降。新手被试的情境意识受到心理旋转任务和算式判断任务的显著影响,而且两种任务的执行速度越快、记忆负荷越大,情绪意识水平就越低。本研究结果说明熟练被试可以利用长时工作记忆存储情境意识,新手被试主要利用短时工作记忆存储情境意识。     

从权利意识的视角看实践患者知情同意的文化障碍

实现知情同意权是对患者自主权利的尊重,但患者知情同意权的实现遇到诸多的文化障碍,从权利意识的视角看,主要来自于中国的一元社会结构、儒家文化和法律文化传统对个人权利诉求的影响,只有培养和提高患者权利意识,增强主体性和自主性,消除文化障碍,才能真正落实知情同意权。     

Arousal, working memory, and conscious awareness in contingency learning

There are wide individual differences in the ability to detect a stimulus contingency embedded in a complex paradigm. The present study used a cognitive masking paradigm to better understand individual differences related to contingency learning. Participants were assessed on measures of electrodermal arousal and on working memory capacity before engaging in the contingency learning task. Contingency awareness was assessed both by trial-by-trial verbal reports obtained during the task and by a short post-task recognition questionnaire. Participants who became aware had fewer non-specific skin conductance responses and tended to score higher on a digit span assessment. Skin conductance level was not significantly lower in the aware group than in the unaware group. These findings are consistent with studies showing that lower arousal and greater cognitive processing capacity facilitate conscious perception of a greater breadth of information within a scene or a task.     

Does self-consciousness increase or decrease priming effects? It depends

Self-consciousness has been shown to both increase and decrease the magnitude of prime-to-behavior effects. In this paper, we decouple the facets of self-consciousness into internal state awareness and self-reflectiveness and show that self-consciousness can be associated with multiple influences on automatic behavior. Specifically, we conducted an experiment demonstrating that increased internal state awareness decreased the magnitude of the prime-to-behavior effect, whereas increased self-reflectiveness amplified the effect. These effects operated independently of self-monitoring and suggest a multiple process approach to understanding prime-to-behavior effects.     

情绪复杂性对精神症状的影响途径及干预技术

情绪复杂性指的是个体情绪体验的多样性和分化度。情绪复杂性影响了精神症状的形成, 它不仅通过改变情绪调节策略的频率和程度来影响精神症状, 而且会影响情绪调节策略和精神症状之间的关系。基于情绪复杂性的干预增加了暴露治疗的疗效。正念能提升情绪复杂性, 但两者的作用机制可能有所差别。情绪复杂性的多角度测量、作用条件及脑机制应成为今后在临床领域的研究方向。