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231.
为厘清知识验证信念对于多文本阅读理解的影响机制,本研究构建了有调节的中介模型。采用知识验证信念量表、主题知识问卷和阅读策略量表,对于173名大学生进行调查,并要求其在多文本阅读理解之后进行开放问题回答。结果显示:精致化策略和信息收集策略在知识验证信念对于多文本阅读理解的影响中起部分中介作用;知识验证信念对于精致化策略的预测作用受到主题知识的调节。该结果不但展示了知识验证信念对于多文本阅读理解的间接影响机制,也提示了主题知识的作用在于提供了选择复杂策略的自由。 相似文献
232.
中文故事阅读中预期与前后向推理的关系 总被引:3,自引:1,他引:2
通过3项实验,考察了中文故事阅读中前后向推理的差异及其与预期的关系。采用3×2独立设计,以反应时为指标,以较长的语篇为实验材料,分别利用核证法与命名法进行了实验一和二。实验三在实验二的基础上,用2×2独立设计,并根据实验目的修改了实验材料。实验一的结果显示,前向推理和后向推理差异显著;实验二的结果则是前向推理和后向推理无显著差异,而且预期的3个水平在前后向推理上均无显著差异;实验三的结果表明,在预期与前后向推理间距离近和预期句详述的情况下,预期与前后向推理产生了交互作用 相似文献
233.
工作记忆中的语音回路与阅读理解的关系 总被引:4,自引:0,他引:4
语音回路是Baddeley和Hitch在1974年提出的工作记忆模型中的一个成分。由于语音回路本身的特点,人们联想到它可能和阅读理解这种复杂的认知活动有关系。为此,一些研究者从不同的角度,采用各种研究范式对这一问题进行了探讨。到目前为止,已有的大部分研究都支持语音回路对于阅读理解有作用,但也有少数研究不支持该观点。另外,对于语音回路影响阅读理解的机制问题,也存在着不一致的观点。 相似文献
234.
采用听觉动窗法和跨通道探测技术,设计3个实验考察了汉语口语句子理解中,动词隐含因果性和重读对代词加工的影响及其时间进程。其中的自变量为动词类型和韵律特征;探测实验中增加探测词类型变量。结果发现:动词隐含因果性影响代词的指认方向;当代词不重读时,动词隐含因果关系在遇到代词后立即影响代词可能先行词的激活水平。代词重读影响“因为”分句的阅读时间,且在代词后立即影响主语型动词语句中代词的加工 相似文献
235.
236.
考察了在自控速度条件下 ,显示窗口、起始速度和文本显示方式等因素对视频显示终端 (videodisplayter minals,VDT)汉语文本阅读工效的影响。结果发现 :(1)在阅读正确率上 ,VDT文本的平滑滚动引导式优于快速系列视觉呈现 (rapidserialvisualpresentation ,RSVP)方式 ;(2 )阅读速度和阅读理解成绩相互代偿 ,若注重理解正确率 ,宜采用 15 0字 /分的起始速度 ;若兼顾阅读速度 ,宜采用 75 0字 /分的起始速度 ;(3)起始速度、显示窗口和文本显示方式三者共同影响了阅读绩效 ;(4 )机控速度方式的阅读效率优于自控速度方式。 相似文献
237.
Functional neuroimaging studies of syntactic processing have been interpreted as identifying the neural locations of parsing and interpretive operations. However, current behavioral studies of sentence processing indicate that many operations occur simultaneously with parsing and interpretation. In this review, we point to issues that arise in discriminating the effects of these concurrent processes from those of the parser/interpreter in neural measures and to approaches that may help resolve them. 相似文献
238.
Scherer LC Fonseca RP Giroux F Senhadji N Marcotte K Tomitch LM Benali H Lesage F Ska B Joanette Y 《Brain and language》2012,121(2):174-184
Relatively few studies have analyzed the mechanisms underlying the cognitive changes that affect language in the elderly, and fewer have done so for narrative discourse. The goal of this study was to explore the neurofunctional changes associated with aging for different components of narrative discourse. Functional near-infrared spectroscopy (fNIRS) and behavioral data on 10 younger adults and 10 healthy elderly participants were collected. Ten younger adults in a non-proficient second language condition were included to explore the possibility that the age-related neurofunctional reorganization partly expresses demanding resource allocation. Results show within- and across-hemispheric differences in the neurofunctional pattern of activation in the older participants with reference to the younger ones, partially shared with the low-proficiency young adults, providing support for the recognized mechanisms underlying neural reserve and compensation. fNIRS was shown to be appropriate for studying the age-related neurofunctional reorganization of complex cognitive abilities. 相似文献
239.
Visual emotionally charged stimuli have been shown to elicit early electrophysiological responses (e.g.,
[Ihssen et al., 2007],
[Schupp et al., 2003] and [Stolarova et al., 2006]). We presented isolated words to listeners, and observed, using generalized additive modeling, oscillations in the upper part of the delta range, the theta range (Bastiaansen & Hagoort, 2003), and the lower part of the alpha range related to degree of (rated) danger and usefulness (Wurm, 2007) starting around 150 ms and continuing to 350 ms post stimulus onset. A negative deflection in the oscillations tied to danger around 250-300 ms fits well with a similar negativity observed in the same time interval for visual emotion processing. Frequency and competitor effects emerged or reached maximal amplitude later, around or following the uniqueness point. The early effect of danger, long before the words’ uniqueness points, is interpreted as evidence for the dual pathway theory of LeDoux (1996). 相似文献
240.
An event-related potential experiment was conducted to investigate the temporal neural dynamics of animacy processing in the interpretation of classifier-noun combinations. Participants read sentences that had a non-canonical structure, object noun + subject noun + verb + numeral-classifier + adjective. The object noun and its classifier were either (a) congruent, (b) incongruent, but matching in animacy, or (c) incongruent, mismatching in animacy. An N400 effect was observed for both incongruent conditions, but not for additional mismatch in animacy. When only data from participants who accepted the non-canonical structure were analyzed, the animacy mismatch elicited a P600 but still no N400. These findings suggest that animacy information is not used immediately for semantic integration of nouns and their classifiers, but is used in a later analysis reflected by P600. Thus, the temporal neural dynamics of animacy processing in sentence comprehension may be modulated by the relevance of animacy to thematic interpretation. 相似文献