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211.
采用自定速移动视窗技术,探讨语义关联性和句法歧义性对汉语直接宾语、宾语小句类暂时句法歧义句理解加工的影响。结果发现:语义关联性和句法歧义性对歧义区和解歧区的阅读时间有显著影响,并在解歧区产生了显著的交互作用,表明语义信息即时参与对句子的理解加工并同句法信息一起共同影响句子的认知加工过程。 相似文献
212.
语义知识神经表征的fMRI研究:通道特异性或类别特异性? 总被引:1,自引:0,他引:1
在同一实验中同时考虑类别与通道二个因素,并采用典型的语义提取任务应用功能磁共振成像技术探讨了语义知识的神经基础,结果发现不同类型的语义知识的脑激活模式(含左梭形回的激活)无论在范围还是强度上存在很大的相似性;而且,在严格的统计阈值下,不存在通道或是类别特异性激活的脑区。结果提示语义知识的神经表征分布于整个大脑皮层;在提取物体语义知识时都会同时激活该物体的视觉表象。另外,研究观察到的语义提取过程中BA9区的激活进一步证实并扩展了关于“汉语和表音文字在皮层组织上存在重要差异的观点”。 相似文献
213.
采用缺失音素的中文双字词为材料,进一步考察了中文听觉词的语音、语义激活进程。共包含两个实验:实验1考察听觉词语音能否同时激活多个与之语音相近的语音、语义结点;实验2考察在听觉词词汇提取后期,是否还存在语音的激活作用。结果表明:⑴中文听觉词的语音能够同时激活与之语音相近的语音、语义结点,这种语音作用在ISI=400ms时处于较低水平;⑵听觉词呈现结束后,语音存在着二次激活现象;⑶对缺失声母的中文听觉词理解后期,除语义背景依赖效应外,还存在明显的语音作用,两者共同作用共同实现对目标词的语义恢复。根据对句子背景下缺失声母的中文听觉词理解的实验结果,作者提出了“中文听觉词理解的激活扩散动态模型”。 相似文献
214.
通过描绘发散性思维测验(物品多用途, AUT)中答案生成在累积函数和语义相似性等一系列参数上的量化特征, 揭示创造性思维的语义搜索过程。结果发现:(1)新颖AUT条件中, 语义搜索呈现与自由联想类似的负加速特点, 但搜索速度较寻常AUT条件更慢。(2)新颖AUT条件中所生成的答案与题目(即物品)均具有较低的语义相似性, 且显著小于寻常AUT条件。(3)新颖AUT条件中生成的答案比寻常AUT条件表现出显著更低的聚类程度, 其中可聚类答案和未聚类答案与题目的语义相似度均较低, 且不存在显著差异, 二者在新颖性上也不存在显著差异。以上结果说明了创造性思维的语义信息搜索过程具有与自由联想类似的激活扩散特征, 但总体搜索速度较慢。新颖性要求使得个体在最初搜索时便开始摆脱题目的语义限制而进行远距离搜索(避免就近搜索), 并倾向于在每个语义场中只生成一个答案(避免局部搜索), 但也可能会在远离题目的语义场中生成多个同类别答案。 相似文献
215.
216.
以负性项目-中性场景以及中性项目-中性场景组成的图片对为材料,通过操控项目-场景之间的语义联系和空间距离,考察了负性情绪对不同语义、空间关系联结记忆的影响。结果显示,当项目-场景空间距离较近时,无论项目-场景之间的语义是否相关,负性情绪始终不会影响项目-场景联结记忆;当项目-场景空间距离较远且语义不相关时,负性情绪会削弱项目-场景联结记忆;而当项目-场景空间距离较远且语义相关时,负性情绪会促进项目-场景联结记忆。结果表明,负性情绪对项目-场景联结记忆的影响会受到项目与场景之间语义关系和空间关系的调节,且语义关系在项目-场景空间距离较远时的作用更为突出。 相似文献
217.
Niels Henrik Gregersen 《Zygon》2014,49(2):419-429
The organic unity between the head and the vital arms of the octopus is proposed as a metaphor for science and religion as an academic field. While the specific object of the field is to pursue second‐order reflections on existing and possible relations between sciences and religions, it is argued that several aspects of realism and normativity are constitutive to the field. The vital arms of the field are related to engagements with distinctive scientific theories, specialized philosophy of science, representative theological proposals, and the input from the study of world religions. 相似文献
218.
John Collins 《Inquiry (Oslo, Norway)》2013,56(3):326-343
A fundamental principle of all truth-conditional approaches to semantics is that the meanings of sentences of natural language can be compositionally specified in terms of truth conditions, where the meanings of the sentences’ parts (words/lexical items) are specified in terms of the contribution they make to such conditions their host sentences possess. Thus, meanings of words fit the meanings of sentences at least to the extent that the stability of what a sentence might mean as specified in a theory is in accord with the stability of what a word might mean as similarly specified. In this paper, I shall be concerned with Ludlow’s (2014) idea that, in fact, there need be no such sympathy between words and sentences. He proposes that we can square what he calls a dynamic lexicon, where word meaning is not stable at all, with a traditional truth-conditional approach of the kind indicated, where sentence meaning is delivered via ‘absolute truth conditions’. I share Ludlow’s aspiration to accommodate dynamic features of word meaning with a truth conditional approach, but not his belief that the marriage is an easy deal. Thus, I shall present a problem for Ludlow’s position and show how resolving this problem leads to an alternative picture of how the meaning of a sentence may be truth-conditionally specified with all relevant dynamic features of the lexicon retained. 相似文献
219.
Michel-Antoine Xhignesse 《Australasian journal of philosophy》2013,91(3):437-450
Art historians and philosophers often talk about the interpretive significance of titles, but few have bothered with their historical origins. This omission has led to the assumption that an artwork's title is its proper name, since names and titles share the essential function of facilitating reference to their bearers. But a closer look at the development of our titling practices shows a significant point of divergence from standard analyses of proper names: the semantic content of a title is often crucial to the identification, individuation, and interpretation of its associated artwork. This paper represents a first step towards an empirically centred study of our titling practices. I argue that, in order to accept titles as proper names, we must first recognize the social, rather than the referential, function of naming. 相似文献
220.
G. H. Rounds H. J. P. Schubert A. T. Poffenberger 《The Journal of general psychology》2013,140(1):65-79
Two experiments with isopods, Armadillidium vulgare, were reported. In Experiment I, two groups of five Ss each learned to run a T maze to escape light and heat. Both original learning (OL), and relearning (RL) the next day, were to a criterion 9/10 correct. Between OL and RL one group was immobilized (I), and the other group was given the opportunity for activity (A). The I treatment resulted in greater savings on RL than did the A treatment, and it was thus concluded that A is a retroaction treatment. Experiment II was like I except that all Ss were extinguished immediately following OL, and then given either A or I until RL. In this experiment, the A treatment led to no savings, but the I treatment produced negative savings (more trials on RL relative to OL). It was concluded that the A treatment had retroactively interfered with extinction, and this result was discussed as analogous to differential spontaneous recovery in favor of the A group. It was concluded that Liberman's (4, 5) theory (that spontaneous recovery is due to the forgetting of extinction) is supported by the result of Experiment II. 相似文献