Children's representation of knowledge in verification

Thirty-two children aged 8–9 and 10–11 were asked to perform two statement verification tasks. Task 1 consisted of statements that were likely to elicit an affirmative knowledge representation,You have three eyes, is likely to elicit the representation,I have two eyes. Task 2 consisted of statements that were likely to elicit a negative knowledge of representation,You have a tail, is likely to elicit a negative representation,I do not have a tail. All statements varied in two dimensions, polarity (affirmative vs. negative) and truth value (true vs. false). Negative statements in Task 1 were found to be more difficult for children to verify than those in Task 2. This performance difference was used to infer the form of knowledge representation generated in verifying negative statements.     

心理表征哲学及其联结主义诠释

对心理表征问题进行自然的解释是至关重要的,但这方面的研究都是建立在有关概念和命题表征的预设的基础之上的,所以有必要弄清概念表征和命题表征的哲学解释;联结主义也对心理表征问题作了解释,根据被表征的是什么以及通过什么来表征的原则,联结主义网络主要通过四种方式对概念和命题进行表征。总的来说,联结主义对概念和命题的表征与它们的哲学解释并不是一一对应的,其方法论基础是费耶阿本德的多元方法论,即"怎么都行"。     

盲人建构陌生环境空间表征的策略及其作用

空间表征对于盲人定向行走具有重要意义。以往研究者集中探讨早期视觉经验缺失对于盲人空间表征的影响, 较少探究空间表征建构的过程性因素, 即探路策略对于盲人空间表征的影响。本研究采用现场实验的方法探究了盲人建构陌生环境空间表征采用的策略及其作用。结果发现：视觉经验缺失对盲人陌生环境空间表征能力造成了不利影响, 然而, 被试运用有效的策略可以弥补视觉缺失带来的损失, 且利用空间关系策略的个体所建构的空间表征更为精确, 定向行走效率也更高。     

International Representation in the Psychological Literature

The author searched PsycLit records to examine the representation of psychological research from outside the US and changes in international representation over time. American research dominates, but international representation has increased since 1975. Western Europe, Japan, Australia, and Israel in particular have become better represented. In contrast, developing nations have remained poorly represented for most of the time period examined. Relative national influence may accurately reflect the numbers of psychologists in general, and research psychologists in particular, in each nation. Psychologists in developing nations also focus on teaching, clinical, and social issues, and have few resources for research activities. International representation is likely to continue increasing.     

旋转任务中3～5岁儿童空间物体位置编码的研究

本实验探讨3~5岁儿童在对空间物体位置进行编码时,能否有效采用心理旋转策略或根据物体"位置关系"来判断物体方位。实验采用3×4混合设计,在旋转条件下研究上述问题。结果表明:(1)在策略方面,儿童对心理旋转的使用要显著优于利用位置关系进行判断;(2)随着年龄增长,心理旋转的能力不断提高,5岁时进步尤其明显;(3)3~5岁儿童均不能自动利用位置关系对物体位置进行编码,但5岁儿童经提示后可采用此策略。     

4~8年级学生分数数量表征的准确性及形式

在分数学习中,分数数量表征是非常重要的方面。本研究利用数字线估计任务对四到八年级学生分数数量表征的情况进行探索。研究结果表明：随着年级升高,被试分数数量表征的准确性也随之提高;被试对单位分数和非单位分数表征的准确性存在显著差异,表现为对单位分数表征的准确性显著高于对非单位分数的表征,这种差异在低年级显著,随着年级的增长,差异逐渐消失;四到八年级学生在0~3数字线上,对分数数量的表征表现为线性形式而非对数形式,且这种线性表征形式是在六年级开始出现并随着年龄增长逐渐发展起来的。中西方儿童在分数数量表征的准确性和形式上有相似的发展路径,但是在表征准确性上中国儿童更高、线性形式出现年级上中国儿童可能更早。     

儿童语言获得之认知发展机制研究新进展

儿童母语的习得是以已有的知识经验为基础的,即概念信息,由此儿童可以对经验过的对象、关系和事件做出区分并加以归类。这为以后儿童语言的获得奠定了基础。因此,儿童首先建立的是对事物的概念性表征,然后再以语言的形式表达之,即获得了语言性表征。但是,当儿童获得了语言表征之后,原先的概念表征还是继续发挥着它应有的作用。     

Unfixing Design Fixation: From Cause to Computer Simulation

This paper argues that design fixation, in part, entails fixation at the level of meta‐representation, the representation of the relation between a representation and its reference. In this paper, we present a mathematical model that mimics the idea of how fixation can occur at the meta‐representation level. In this model, new abstract concepts derived from the meta‐representation are not simple combinations of the design ideas expressed in the primary representation. Instead, the process of meta‐representation corresponds to the abstraction of new features at a higher, hierarchically separated level of representation from an existing one. We show a computational process of pattern extraction from existing design representations that results in the crystallization of design ideas or ‘chunks’ at an abstract level. The relation between the representation and its referent is explicitly described in these ‘chunks’, yet the ‘chunks’ have different properties from the properties of the original representation.     

The impact of age at seizure onset on the likelihood of atypical language representation in children with intractable epilepsy

Studies have suggested that early postnatal lesions are associated with a greater likelihood of atypical speech representation than lesions acquired later in life. Comparison groups have been defined differently across studies, with age typically being treated as a dichotomous (i.e., early versus late lesion onset) rather than continuous variable. Thus, little is known about the age at which children become less likely to exhibit atypical representation following a brain insult. This study examined the likelihood of typical versus atypical speech representation in children with intractable epilepsy (n = 75). Age of seizure onset was treated as a continuous variable to examine whether there was a naturally occurring cut-off point after which the rate of atypical speech representation decreased. A much higher proportion of children with seizure onset prior to the fifth year showed atypical speech representation as compared to children whose seizures began after 5 years of age.     

Mapping the central structure core in social representation of pain

Previous evidence had revealed gender differences in perception of pain and its socialization. The present research studies gender differences by mapping the central structure core in social representation of pain. Eighty males and eighty females participated in a free evocation task for collecting cognitive elements of “pain.” By defining the elements as nodes and their co‐occurrences as lines, structural characteristics of social representation are analyzed by network analysis. Females have a central structure core in their network structure of social representation of pain. In contrast, males have no such core. These results suggest gender differences in socialization processes around the concept of pain and extend practical methods for studies of the central nucleus theory of social representation.     

So near and yet so far: the mental representation of goal progress

In the present article, we explore whether people's mental representation of progress level can function as a self-regulation mechanism that helps motivate continued effort in the pursuit. We propose that when individuals have just started pursuing a goal and have accumulated only limited progress, they exaggerate the achieved progress level in their mental representation to signal a higher chance of eventual goal attainment and thus elicit greater effort. In contrast, when people have made substantial progress and are approaching the goal attainment, they downplay the achieved progress in their mental representation to create greater perceived discrepancy, hence eliciting greater effort. Empirical evidence from 4 studies supported the hypothesis.     

儿童数量表征与数概念的发展特点及机制

对儿童数量表征和数概念的研究是当前数认知领域的两个重点研究方向。我们在这一领域通过理论及实证研究进行了广泛且深入的探索,系统分析了大小数量、符号与非符号数量表征的机制,深入考察了数量表征线索的发展、线性数量表征的发展特点及形成机制等问题;并对数概念的发展及其影响机制、数量表征与数概念的关系进行了理论梳理和实证研究。这些探索为进一步探明数量表征与数概念的发展特点及机制提供了基础。     

从数量表征到数表征：具身认知视角下的人类数能力获得

数能力是数学认知的基本成分。与动物所具有的基本数能力不同,人类不仅具备数量表征能力,更重要的是还拥有对数概念进行表征的数表征能力。虽然具身认知与离身认知都对数概念的表征问题进行了解释,但二者却存在明显理论分歧。具身认知观点主要从具身数量表征和数能力发展的具身认知机制两方面为人类独特数能力的获得提供了理论支撑及实证证据。这启示人们需要重视具身学习在数能力形成实践中的关键作用,重视具身数量表征在数学教学中的作用,仍需进一步揭示其内在的心理和神经基础。     

言语产生的同音词表征：模型争论与再思

言语产生和言语理解都涉及同音词在通达过程的表征。言语产生研究中,Levelt和Caramazza分别从通达的两阶段分离激活和独立网络模型推出了同音词的分享和独立表征模型,并用语言实验的频率效应和病人的语音治疗效应给予检验。本文评述了研究的新进展,探讨了同音词表征模型的分歧,认为同音词词汇表征与语言差异、加工范式、知觉通道等有关。从言语理解（言语知觉和词汇再认）的研究表明,这两种表征模型可能难以概括同音词尤其是汉语同音词的表征。本文根据言语理解研究的新近发现建议了一些可能的表征模型。     

词汇的语义表征及其启动效应研究现状与问题

语义启动是研究语义表征的主要范式。在过去的30年里,通过对语义启动效应的研究,词汇的语义表征理论也从符号联结发展到神经联结,其影响因素也逐步重视多方面的交互作用。究其问题,已有研究还存在很多不一致的结论,对语义内在的表征机制和学习机制缺乏深入了解,对影响语义表征的个体因素考虑不多。     

大脑腹侧视觉通路知觉表征神经机制研究

大脑腹侧视觉通路知觉表征的神经机制是认知神经科学研究面临的基本问题。本文系统介绍了该问题研究中比较有影响力的理论模型,归纳分析了模型之间的分歧与各自的局限。文章分析指出大脑自上而下的调控机制是腹侧视觉通路神经表征机制问题研究的另一重要维度,如何有效整合知觉表征模型与大脑调控机制的相关研究是进一步深化知觉表征神经机制问题研究的关键。     

Motor Intentionality and its Primordiality

Is intentionality possible without representation? This paper considers the conditions under which intentionality without representation could occur and what sort of perceptual content such intentionality would have. In addition, it considers the constraints on non‐representational intentional content in organisms that have representation. The paper is divided into three parts. The first section compares and contrasts two opposed positions on non‐representational intentionality, those of Herbert Dreyfus and John Searle. The second section reviews a neurobiological model that accommodates the possibility of non‐representational perceptual content. The final section provides a puzzle for theories of non‐representational perceptual content, specifically in connection with the perception of representations. The puzzle of representation and perception illustrates a further need for all theories of perception, both philosophical and scientific: to provide a more finely developed definition of the notion of representation.     

时空隐喻研究的新问题:时间表征的左右方向性

传统的时空隐喻研究主要通过启动范式来研究空间中的前后轴线和上下轴线与时间表征的关系;而近年来,研究者们通过综合运用排序法、判断法、比较法和线索范式,证明了个体会用左右轴线来表征时间.由于传统的理论无法很好地解释时间表征的左右方向性,研究者们倾向于用具身理论(embodiment theory)来解释这一现象.为了深化对空间轴线和时间表征之间的关系的认识,需要统一研究方法、整合不同理论并在神经机制层面上开展新的研究.     

顿悟与问题表征的转变

阐述了解决残缺棋盘问题的顿悟过程。该实验的结果证明,顿悟过程中需要发现一种正确的问题表征,即对等性问题空间,为了发现这一表征,被试必须使问题表征从“铺试问题空间”转变为“元水平的问题空间”．被试在这两个空间中进行搜索时,必须有很强的限制,使搜索成为有高度选择性的搜索,才能最终在元水平问题空间中发现正确的表征。本研究还发现,被试的搜索并不总是知觉驱动的,有时是概念驱动的,而且后者的迁移性更高。