Radical Semantics: A New Theory of Meaning

This paper extends Parikh’s earlier work in semantics with games of partial information and attempts to derive and represent the full content of an utterance from first principles. It also discusses various ways in which this content may be indeterminate.     

背景音乐对中学生阅读理解的影响

以初一、初二、高一、高二72名中学生为研究对象,考察不同类型音乐对有无背景音乐偏好被试阅读理解成绩的影响。实验结果表明:(1)不同类型背景音乐对不同年级被试产生了不同的影响。古典乐对4个年级被试的阅读理解均有显著的促进作用;而流行乐对初中生的阅读理解产生了干扰作用,对高中生则没有产生干扰作用。(2)不同类型背景音乐对不同背景音乐偏好被试产生了不同的影响。对有背景音乐偏好被试来讲,古典乐对他们的阅读理解有显著的促进作用,流行乐对他们的阅读理解无显著的干扰作用;对无背景音乐偏好被试来讲,古典乐对他们的阅读理解既无显著的促进作用,也无显著的干扰作用,而流行乐对他们的阅读理解有显著的干扰作用。     

Consciousness and topologically structured phenomenal spaces

There are strong reasons to believe that our conscious inner life is structured, suggested both by introspection as well as scientific psychology. One of the most salient structural characteristics of conscious experiences is known as unity of consciousness. In this contribution, we wish to demonstrate how features of experience that pertain to the unity of consciousness could be made precise in terms of mathematical relations that hold between phenomenal objects.Based on phenomenological considerations, we first outline three such features. These are (i) environmental embedding, (ii) the mutual constraint between local and global representations, and (iii) a top-down process of object formation in consciousness. We then introduce a formal model based on the notion of phenomenal space, defined in terms of a set of quasi-elementary and extended entities. We describe the structure of phenomenal space by appealing to mereological and topological concepts, and we outline a projector-based calculus to account for the idea that the structure of phenomenal space is ultimately dynamical.Using the above concepts, one could approach the mind-matter problem by relating environmentally embedded agents to topologically well-defined objects that result from decompositions of phenomenal space. We conclude our discussion by putting it into the context of some recent conceptual questions that appear in cognitive science and consciousness studies. We opt for the possibility to regard the phenomenon of consciousness not in terms of a singular transition that happens between “brain” and “mind” but rather in terms of a series of transitions between structured layers of experience.     

语言和文化影响颜色认知：直接语言效应抑或间接语言效应?

语言和文化对颜色认知的影响存在着直接语言效应和间接语言效应的争论。直接语言效应是指在识记颜色时人先将颜色转换成颜色名称, 再认时通过匹配保留在记忆中的颜色词与目标颜色名称来完成任务。颜色类别知觉是语言策略的结果。间接语言效应是指语言和文化塑造颜色知觉表征, 形成了一个曲形颜色知觉空间, 将人们的注意引向语言和文化定义的颜色类别分界。即使没有语言策略的参与, 类别效应也会出现。颜色文化是民族文化的重要组成部分。绿色和红色在维吾尔族和汉族的语言和文化中分别具有重要的意义。采用颜色相似性判断、颜色分类和颜色再认任务, 考察维吾尔族和汉族的大学生对红、绿的认知, 探查语言和文化对颜色认知的影响及其性质。结果表明, 与汉族相比, 维吾尔族对绿色的辨认、分类和再认存在反应优势, 对红色认知存在反应劣势。与颜色辨认反应比, 两个民族的颜色再认反应时显著长。整个研究表明, 语言和文化对颜色认知的影响存在着间接语言效应, 语言与文化塑造个体的颜色知觉空间。     

The role of the magnocellular and parvocellular pathways in the attentional blink

The attentional blink refers to the transient impairment in perceiving the 2nd of two targets presented in close temporal proximity in a rapid serial visual presentation (RSVP) stream. The purpose of this study was to examine the effect on human attentional-blink performance of disrupting the function of the magnocellular pathway--a major visual-processing pathway specialized in temporal segregation. The study was motivated by recent theories that relate the attentional blink to the limited temporal resolution of attentional responses, and by a number of poorly understood empirical findings, including the effects on the attentional blink of luminance adaptation and distraction. The attentional blink was assessed for stimuli on a red background (Experiment 1), stimuli on an equiluminant background (Experiment 2), and following flicker or motion adaptation (Experiment 3), three psychophysical manipulations known to disrupt magnocellular function. Contrary to our expectations, the attentional blink was not affected by these manipulations, suggesting no specific relationship between the attentional blink and magnocellular and/or parvocellular processing.     

Interhemispheric interaction in word‐ and color‐matching of Kanji color words1

Abstract: The aim of the present study was to investigate the possibility that a shift toward a within‐hemisphere advantage would emerge when two stimulus items receive, respectively, different processing (vs. when they receive similar processing). Using right‐handed participants, we briefly presented two Kanji color‐word items as either within‐field or across‐fields. Viewers had to match the two items in terms of ink color (a color‐matching task) or word meaning (a name‐matching task). Each Kanji color word was presented with the same (congruent) or different (incongruent) ink color relative to the word meaning. Our results were twofold. First, a within‐field advantage appeared in the relatively easier color‐matching task, whereas an across‐field advantage tended to occur in the relatively harder name‐matching task. Second, in the word‐matching task an across‐field advantage appeared when both Kanji color words appeared in similar processing manners (both congruent or both incongruent), whereas a within‐field advantage occurred when processing of two Kanji items differed (one congruent and one incongruent). These results suggested that a shift toward a within‐hemisphere advantage occurs when two items are processed in respectively different ways.     

语境与颜色诊断性对句子理解中物体隐含颜色知觉模拟的影响

具身认知理论的代表知觉符号系统认为知识表征具有知觉特点,并假设语言理解中对于所涉及概念及其隐含属性会即时进行知觉模拟。当前研究采用句图匹配范式,通过三个实验探讨句子理解中是否会对物体隐含颜色属性进行知觉模拟及其具体条件。实验1沿用经典范式验证语言理解中对物体隐含颜色存在知觉模拟过程。实验2通过变化句子前语境考察语境是否支持对于物体隐含颜色知觉模拟的影响。实验3进一步考察当颜色属性与其对应物体存在稳定关联时(即具有高颜色诊断性的物体),在不同语境作用下是否会引起知觉表征的变化。研究结果表明,语言理解中知觉模拟过程是灵活的,语境改变会引起读者所激活的物体颜色知觉表征发生变化,并且对于高颜色诊断物体,即使缺乏支持语境,读者仍然会对句中隐含的物体特定颜色进行知觉模拟。     

作为社会和文化情境的同伴圈子对儿童社会能力发展的影响

基于同伴圈子的相似性假设探讨同伴圈子的形成、圈子社会情境对儿童社会能力发展的促进作用, 以及圈子文化背景对圈子社会化过程的调节作用。选取某城乡结合部一小学3至5年级898名儿童作为被试进行一年的跟踪调查, 其中在第一年当地城市儿童占36.5%, 当地农村儿童占48.8%, 流动儿童占10.4%。学生在第一和第二年都完成《班级戏剧》和《社会认知地图》问卷。研究结果表明：(1)在个体层面上, 圈子成员的社交性、亲社会性、自主性以及同伴接纳显著高于孤立者。城市儿童的自主性显著高于农村和流动儿童, 后两者之间则无显著差异。亲社会性在性别和文化背景方面存在显著的交互作用。(2)儿童会依据社会能力的相似性来组成同伴圈子, 且不同圈子之间存在显著差异。儿童也愿意与不同文化背景的同伴交往, 形成不同类型社会文化背景的同伴圈子。(3)儿童的社交性和自主性随着同伴圈子相应能力的提高而呈正向发展趋势。(4)同伴圈子对个体社交性和自主性发展的影响因圈子所注重的社会文化准则的差异而有所不同。农村－城市圈子比农村－流动圈子对儿童社交性发展的影响明显更大些; 农村圈子的儿童自主性水平更趋于随圈子自主性的提高而正向发展。     

非文字内隐学习的优势效应

本研究以大学生为被试,运用计算机将人工语法范式程序化,分别以色块串和色词串为材料,研究颜色内隐和外显学习的特点;并增设时间变量（单元）以了解学习的详细进程。结果发现：1.学习材料上存在主效应,非言语材料（包块）较言语材料（色词）更适合于内隐加工。2.时间变量上也存在主效应,整体呈递增趋势;3.指导语上不存在主效应,即内隐学习在不同材料上的优势效应依然存在。实验结果极好地支持了非文字内隐学习优势效应的假设。     

颜色恒常认知框架模型

颜色恒常认知受到多种因素影响 ,其中包括照明、表面和背景等因素 ,也包括颜色对比、边界检测、颜色适应、模式识别 ,以及根据不同的环境线索采用不同的加工策略等认知影响因素 ,在分析上述因素的基础上尝试性地提出了一个颜色恒常认知框架模型。