残疾儿童家长亲职压力的特点及其与生活质量的关系:社会支持的中介作用

本研究旨在考查残疾儿童家长亲职压力的特点, 并探讨亲职压力、社会支持对生活质量的影响。使用《亲职压力指标简表》、《社会支持评定量表》和《世界卫生组织生活质量测定简表》(中文版)对孤独症、智力残疾、听力残疾、视力残疾以及脑瘫5种残疾类型儿童的369名家长进行问卷调查。结果发现:(1)残疾儿童家长亲职压力及其各维度在不同残疾儿童类型中差异显著, 孤独症儿童家长在总分及各维度中均最高, 听力残疾儿童家长均最低;(2)亲职压力各维度与社会支持各维度以及生活质量各维度均呈显著负相关, 社会支持各维度与生活质量各维度之间均呈显著正相关;(3)亲职压力与生活质量的典型相关分析表明两者的整体相关显著;(4)社会支持在亲职压力和生活质量间起部分中介作用。     

想象未来的认知加工成分及其脑网络

合理预期和想象未来事件或场景, 有利于个体做出适应性反应, 促进生存与发展。近年来, 研究者对想象未来的认知加工成分和神经机制进行了深入探讨, 提出了想象未来的相关概念和理论。我们首先概述了想象未来实验常用的思维采样范式和词语-线索范式, 接着介绍了想象未来的自我参照加工、心理场景构建等认知加工成分。此外, 特别介绍了想象未来的默认网络模型以及与之相关的其他大尺度脑网络, 并进一步提出了想象未来的脑网络研究框架。未来的研究可从想象未来的动态脑网络、复杂脑网络以及与疾病的关系等角度入手, 深入探究想象未来的神经机制。     

Counterfactual comparison modulates fairness consideration in the mini‐ultimatum game: An event‐related potentials study

Existing literature on the mini‐ultimatum game indicates that counterfactual comparison between chosen and unchosen alternatives is of great importance for individual's fairness consideration. However, it is still unclear how counterfactual comparison influences the electrophysiological responses to unfair chosen offers. In conjunction with event‐related potentials’ (ERPs) technique, the current study aimed to explore the issue by employing a modified version of the mini‐ultimatum game where a fixed set of two alternatives (unfair offer vs. fair alternative, unfair vs. hyperfair alternative, unfair offer vs. hyperunfair alternative) was presented before the chosen offer. The behavioral results showed that participants were more likely to accept unfair chosen offers when the unchosen alternative was hyperunfair than when the unchosen alternative was fair or hyperfair. The ERPs results showed that the feedback‐related negativity (FRN) elicited by unfair chosen offers was insensitive to the type of unchosen alternative when correcting for possible overlap with other components. In contrast, unfair chosen offers elicited larger P300 amplitudes when the unchosen alternative was hyperunfair than when the unchosen alternative was fair or hyperfair. These findings suggest that counterfactual comparison may take effect at later stages of fairness consideration as reflected by the P300.     

从中德儿童技术创造性跨文化研究结果看性别差异

研究者通过对中德儿童技术创造性跨文化研究结果的综合分析,着重讨论了在差异心理学领域一直十分受人关注的性别差异问题。结果发现,无论是中国儿童还是德国儿童,无论是超常儿童还是常态儿童,性别差异具有基本稳定的趋势,而且,在不同的方面具有不完全一致的表现形式。具体表现为：（１）在数字、图形和实用创造性思维方面,在中国和德国儿童中都没有发现创造性思维方面的性别差异;（２）在心理折叠、学习爱好、技术问题理解和     

Nonstrategic subjective threshold effects in phonemic masking

Three backward-masking experiments demonstrated that the magnitude of the phonemic mask reduction effect (MRE) is a function of subjective threshold and that the magnitude is also independent of stimulus-based response strategies. In all three experiments, a target word (e.g., bake) was backward masked by a graphemically similar nonword (e.g., BAWK), a phonemically similar nonword (e.g., BAIK), or an unrelated control (e.g., CRUG). Experiments 1 and 2 had a low percentage (9%) of trials with phonemic masks and differed only in baseline identification rate. Experiment 3 controlled baseline identification rate at below and above subjective threshold levels, with 9% phonemic trials. The results were that identification rates were higher with phonemic masks than with graphemic masks, irrespective of the low percentage of phonemic trials. However, the magnitude of the phonemic MRE became large only when the baseline identification rate was below subjective threshold. The pattern of the phonemic MRE was interpreted as a result of rapid automatic phonological activation, independent of stimulus-based processing strategies.     

信号检测论方法引入集值统计试验

集值统计是模糊数学方法的应用,信号检测论之评价法与有无法实验满足集值统计条件,可用集值统计的程度函数表示辨别力或感受性的大小。本文提出两种计算程度函数的数学模型:(1)a=1/K[∑a_(k1·CP_(k1)(Y/SN)+∑a_(k2)·CP_(k2)(Y/N)],(2)f(u)=1/2[∑a_(k1)·P_(k1)(Y/SN)+∑a_(k2)·P_(k2)(Y/N)]。试验结果证实两种模型所计算的程度函数与信号检测论方法所计算的辨别力指数d’有高相关(r_(ad’)=0.842,r_f(u)d’=0.953、n=67),程度函数与d’一样,不仅可以作为辨别力的指标,而且可将判断标准与辨别力分开,不同的是程度函数用β=a_N/a_(SN)或β=f_N(u)/f_(SN)(U)计算的判断标准是一次性综合判断。此点不同于信号检测论可对每一个类别反应的判断标准进行计算。程度函数与d’的计算都利用了对信号与噪音的反应信息。除上述二者的共同之处外,程度函数比d’还具有以下一些优越性:(1)程度函数应用集值统计,无须信号检测论要求对信号与噪音的感觉分布为正态的基本假设,可认为是非参数的方法;(2)可克服信号检测论方法不同判断标准下d’不稳定又难以解释的困难;(3)可适当地减少试验次数;(4)程度函数取值在0-1之间,易于形成量表值方便比较,意义清晰、明确;(5)更符合心理判断的实际状态。     

理解模糊概念的动态特征

本文探讨了不同场合下人脑理解模糊概念(量词、修饰词)的动态特点,并且考察了不同赋值区间(论域)、比较级的基数、上下关联(Context)等变量对理解给定的模糊概念的影响,特别考察了上述问题上的年龄差异。     

Are Individuals with Schizophrenia or Schizotypy More Creative? Evidence from Multiple Tests of Creative Potential

Schizophrenia and schizotypy have been often associated with above average creativity; however, empirical studies on the relationship between schizophrenia spectrum disorders and enhanced creativity generated inconsistent results. This research investigates if the association between schizophrenia spectrum disorders and creative potential levels is dependent upon which cognitive processes are examined during administered tests of creative potential. Our study examined 117 participants stratified into the following three subgroups: (a) 39 psychometrically determined low-schizotypal individuals, (b) 35 psychometrically determined high-schizotypal individuals, and (c) 43 patients with schizophrenia. Each participant completed 2 divergent thinking (DT) tasks, 2 convergent thinking (CT) tasks, and 2 creative tasks that combine both DT and CT processes. The data suggest that Group C had typical abilities in the DT, CT, and the combined creative thinking tasks; however, the group as a whole had intact originality during the Figural Completion (DT task) and the Tangram Construction (combined task). Notably, Group B showed significant advantages in both verbal and figural DT tasks. Group A and Group B demonstrated no significant differences in the creative thinking processes of CT; however, both groups outperformed Group C in these tasks.     

记忆暗示感受性的双加工机制研究

该研究使用延迟的提取错误范式和R/K/G范式相结合的方法,从编码、误导和提取这三个加工阶段中重要影响因素对记忆暗示感受性产生的交互效应出发,深入考查了记忆暗示感受性产生过程中动态的自动加工与控制加工成分贡献。结果发现:(1)相比无意加工,编码阶段的有意加工更有利于记忆暗示感受性的产生。(2)当个体在编码阶段进行有意加工时,时间压力干扰能发挥其效应,明显提高了其记忆暗示感受性。(3)浅加工编码、时间压力条件下的记忆暗示感受性包含更多的自动加工成分;深加工编码条件下的记忆暗示感受性包含更多的控制加工成分。