汉语发展性阅读障碍儿童语音意识研究综述

本文对拼音文字体系的发展性阅读障碍儿童的语音意识研究进行了总结,在此基础上针对汉语发展性阅读障碍儿童语音意识的研究进行分析,归纳.汉语阅读障碍儿童语音意识研究的被试取样、筛查标准、测验方法存在问题,导致语音意识的研究结论差异比较大.最后,探讨了汉语的特异性,语音意识研究应该切合汉语的特点,在被试取样、筛查标准、测验内容等方面规范该领域的研究.     

汉语发展性阅读障碍儿童词汇阅读的眼动研究

采用眼动研究方法,考察汉语发展性阅读障碍儿童在词汇阅读过程中的眼动特征,来确认他们在语素理解、语音和正字法加工中缺陷的眼动表现。结果显示:发展性阅读障碍儿童在多种任务上的正确率显著低于普通儿童,多项眼动指标的结果都有体现。这表明汉语发展性阅读障碍儿童语素理解、语音意识和正字法意识缺陷得到了眼动数据的支持。     

汉语学习困难学生语音加工特征比较的实验研究

采取三种不同语音分割任务,对小学四年级汉语学习困难学生、听力损伤学生和正常学生的汉语语音觉察与加工能力进行了比较实验研究。结果表明,两类特殊儿童的汉语语音意识能力明显低于正常儿童。本结果提示,教育者应关注儿童早期拼音教学中对语音敏感性的训练。     

我国近十年来汉语阅读障碍儿童的语言加工研究综述

汉语阅读障碍研究是近年来我国学习困难领域研究的热点,我国近10年来对汉语阅读障碍儿童的语言加工研究主要涉及语音意识、语素意识、正字法加工、语义加工四个方面。作者对这四方面的研究内容进行了归纳分析,同时对现有研究的趋势及不足进行了初步探讨。     

汉语发展性阅读障碍儿童的语言加工技能研究

本文旨在探讨汉语发展性阅读障碍儿童的语言加工技能缺陷及其对汉语阅读的影响.以58对汉语发展性阅读障碍儿童和正常对照组儿童为被试,进行语音意识、语素意识、命名速度和汉语阅读技能测试.结果发现:(1)汉语发展性阅读障碍组各项语言加工技能指标均低于对照组;(2)各项语言加工技能与汉语识字及阅读理解均有中等程度相关,可 在一定程度上预测汉语阅读水平,但总预测率低于50％;(3)识字水平在各项语言加工技能与阅读理解之间均起完全中介作用.研究结果显示:语言加工缺陷是汉语发展性阅读障碍 的重要发生机制,它通过影响识字水平进而影响阅读理解水平.     

阅读障碍儿童的语音干扰抑制能力研究

阅读障碍儿童在工作记忆的中央执行系统上表现落后,而干扰抑制能力又是中央执行系统的一项主要功能,因此本研究通过语音干扰下的记忆任务,考察了阅读障碍儿童语音干扰抑制的表现。结果表明1.在不同语音干扰条件下,阅读障碍儿童的抗干扰能力都要差于正常儿童;2.对于阅读障碍儿童,不同类型的语音干扰都相当程度地干扰了他们的记忆成绩;3.对于正常儿童,他们对于语义上接近的语音干扰,抵抗能力最差,而语音接近和无关干扰对儿童回忆的干扰效果相当。     

汉语发展性阅读障碍干预研究进展及其启示

当前汉语发展性阅读障碍儿童的干预特征为多感官语言干预、基础认知能力干预和神经调控干预等新技术新思路的综合应用。基于活动和教具的多感官语言干预能够弥补汉语阅读障碍儿童信息获取和编码等缺陷，巩固记忆效果。基础认知能力干预主要针对汉语阅读障碍儿童的工作记忆缺陷和视听知觉缺陷。工作记忆训练有助于提高视空间、语音、中央执行任务以及阅读任务的表现，知觉干预通过训练视听觉综合能力来提高阅读障碍儿童的知觉水平和阅读能力。神经反馈训练和经颅直流电刺激等神经干预方法有望从根本上提升阅读障碍者的阅读能力。未来的干预研究需要进一步依托人工智能技术开发个性化干预平台，同时通过完善神经调控技术挖掘汉语相关的生物标志物。     

汉语儿童语音发展研究概述

儿童语音发展研究是众多学者关注的一个研究领域。本文回顾了汉语儿童早期语言发展的几个阶段,语音系统构建的次序以及元音、辅音、声调的习得过程,探讨了汉语儿童语音发展研究的现实意义,以期为我国儿童语音发展研究的继续深入提供借鉴参考。     

汉语发展性阅读障碍儿童语素分辨及运用能力

比较汉语发展性阅读障碍儿童和阅读正常儿童完成同音语素分辨任务和语素构词任务的情况,测查汉语发展性阅读障碍儿童的语素分辨及运用能力。研究一考察了语素分辨能力,结果发现:与阅读正常儿童相比,阅读障碍儿童完成语素分辨任务的反应时更长、准确率更低。研究二考察了语素运用能力,结果发现:与阅读正常儿童相比,阅读障碍儿童完成语素运用相关任务的反应时更长、正确率更低。两个研究的结果提示我们,汉语发展性阅读障碍儿童存在语素意识缺陷,从语素分辨能力到语素运用能力的落后,说明语素意识缺陷是造成汉语发展性阅读障碍的重要原因,汉语的语素意识在儿童阅读中起着至关重要的作用。     

汉语发展性阅读障碍儿童的认知缺陷研究

本文通过对近年来汉语发展性阅读障碍认知缺陷研究的回顾,讨论和总结了汉语发展性阅读障碍儿童在五个方面存在的认知缺陷语音缺陷、快速命名缺陷、正字法缺陷、词典通达缺陷和语素缺陷,并对未来的研究提出了自己的看法.     

Word stress production in three‐year‐old children at risk of dyslexia

We investigated Dutch word stress acquisition in 3‐year‐old children at risk of dyslexia (children with at least one parent or older sibling with reading difficulties) and normally developing children, in order to shed light on language acquisition delays in children at risk of dyslexia, as well as to investigate further phonological deficits in dyslexia. The children had to repeat non‐words with stress patterns varying in regularity. Both the at‐risk and control children performed better on imitation of regular stress targets and worse on irregular and prohibited stress patterns. However, the at‐risk children showed more difficulty imitating irregular and prohibited patterns, and had lower percentages phonemes correct than the control group. The results can be interpreted as a delay in word stress acquisition in the at‐risk group. The findings thus point towards a phonological deficit early in language development.     

Sound-symbol learning in children with dyslexia

This study evaluated the effect of sound-symbol association training on visual and phonological memory in children with a history of dyslexia. Pretests of phonological and visual memory, a sound-symbol training procedure, and phonological and visual memory posttests were administered to children with dyslexia, to children whose dyslexia had been compensated through remedial training, and to age- and reading level-matched comparison groups. Deficits in visual and phonological memory and memory for sound-symbol associations were demonstrated in the dyslexia group. For children with dyslexia and children whose dyslexia had been remediated, the sound-symbol training scores were significantly associated with word and pseudoword reading scores and were significantly lower than those of the comparison groups. Children with dyslexia and children whose dyslexia had been compensated showed significantly less facilitation of phonological memory following the training than did typical readers. Skilled readers showed some reduction in accuracy of visual memory following the training, which may be the result of interference of verbalization with a predominantly visual task. A parallel decrease was not observed in the children with dyslexia, possibly because these children did not use the verbal cues. Children with dyslexia and children whose dyslexia had been compensated seemed to have difficulty encoding the novel sounds in memory. As a result, they derived less phonological memory advantage and less visual memory interference from the training than did typical readers. Children in the compensated dyslexia group scored lower on sound-symbol training than their age peers. In other respects, the scores of these children were equivalent to those of the typically reading comparison groups. Children in the compensated dyslexia group exhibited higher phonological rehearsal, iconic memory, and associative memory scores than children in the dyslexia group. Implications for the remediation of dyslexia are discussed.     

Implicit sublexical phonological processing in an acquired dyslexic patient

We report a case study of an acquired dyslexic subject, who on tasks standardly used to assess acquired dyslexia showed no evidence of having any access to sublexical phonological information. However, on a lexical decision task, he showed normal effects of spelling regularity for low-frequency words. Since this effect is typically attributed to the use of sublexical phonological information in word recognition, it appears that sublexical phonological processing is occurring for this subject. The spelling regularity effect is discussed with respect to models of written word recognition and to acquired dyslexia. It is suggested that the reason for the discrepancy in test results may be that the types of explicit tasks previously used in the neuropsychological literature on dyslexia, which require conscious awareness of phonological representations, are not sensitive to implicit processing.     

视觉和语音加工难度对汉语识字困难儿童形音特征捆绑的影响

研究选取汉语识字困难儿童与普通儿童各28名,通过三种图形和语音信息不同加工难度条件,考察不同视觉和语音加工难度对汉语识字困难儿童形音特征捆绑成绩的影响.实验结果显示:(1)在视觉-语音信息加工难度低的时候,汉语识字困难儿童形音特征捆绑正确率显著低于普通儿童,说明其形音特征捆绑落后于普通儿童.(2)在视觉信息加工难度增加...     

Assessing dyslexia in higher education: the York adult assessment battery‐revised

Although there are a number of standardised measures to assess dyslexia in children, there are comparatively fewer instruments suitable for the assessment of dyslexia in adults. Given the growing number of students entering UK higher education institutions, there is a need to develop reliable tools for assessing the additional needs of those with dyslexia and related difficulties. This study reports data from a revised version of the York Adult Assessment: An Assessment Battery for Dyslexia Screening in Higher Education. The current York Adult Assessment‐Revised (YAA‐R) is an assessment battery consisting of tests of reading, spelling, writing and phonological skills. Data from a normative sample of 106 adults without dyslexia and a validation sample of 20 adults with dyslexia illustrate significant group differences on the tests comprising the YAA‐R. Additionally, the YAA‐R has good discriminatory power yielding 80% sensitivity and 97% specificity. Taken together, the YAA‐R is a suitable test battery for the assessment and identification of dyslexia in university students.     

Persistence of phonological processing deficits in college students with dyslexia who have age-appropriate reading skills

This study investigated the phonological processing skills of university students with dyslexia. Fifty-nine students participated in this study: 28 with reading disabilities based on recent psychological assessments and a history of early and persistent reading problems; and 31 controls. The two groups did not differ on estimates of verbal and nonverbal abilities. The dyslexia group performed significantly less well on standardized measures of reading and spelling. However, the dyslexia group scores on these measures fell within the average range. The main dependent variables were subsumed under three areas of phonological processing: phonological awareness, phonological recoding in lexical access, and phonological recoding in working memory. The control group performed significantly better on all phonological processing measures, particularly those measures involving accuracy and response times. Despite age-appropriate performances on standardized reading and spelling measures, phonological processing deficits persisted in the dyslexia group. These findings support the causal role of phonological awareness in the acquisition of reading skills and indicate that differences in phonological processing skills are still evident in a sample of university students with dyslexia compared a group matched on age and education.     

The interaction of vocabulary and short-term memory in predicting phonological awareness: a comparison of dyslexic and non-dyslexic children

Using data from a longitudinal comparative study of children at risk of dyslexia ( Snowling, Gallagher & Frith, 2003 ), this paper reports some replication of work by Gibbs (2004) . It was found that the development of phonological awareness might, for children between the ages of 6 and 8 years of age and not considered to be at risk of dyslexia, be facilitated by an interaction of memory span and lexical knowledge. This effect was not, however, found for children of the same age who were considered to be at risk of dyslexia. For these children an interaction, with contrasting implications, was found between the ages of 3 years 9 months and 6 years. Some theoretical and practical implications of these findings are outlined.     

Naming difficulties in children with dyslexia: application of the tip-of-the-tongue paradigm

The present study used the tip-of-the-tongue (TOT) experimental paradigm in a picture naming task to explore the source of the naming deficits of children with dyslexia. Compared with a control group of typically developing readers, the children with dyslexia showed fewer correct responses and spontaneous recalls, more don't know (DK) and TOT responses, and less accurate feeling of knowing (FOK) judgments. When they failed to retrieve a target word, the children with dyslexia did not differ from the control group in the partial semantic information they provided, but they gave less valid and more invalid partial phonological information. The children with dyslexia also benefited less from phonological cues. The phonologically related responses of the children with dyslexia elicited during the administration of the TOT procedure were related to their performance on a phonological awareness test. These findings suggest that the naming problems of children with dyslexia arise because of their difficulty in accessing the phonological word forms after the corresponding abstract lexical representation has been successfully accessed. The results are discussed in relation to the claim that two-stage models of naming can be profitably used in the early identification and treatment of reading disabilities.