Differential Diagnosis in Learning Disabilities
学习障碍的鉴别诊断
基本信息
- 批准号:7342446
- 负责人:
- 金额:$ 147.78万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2006
- 资助国家:美国
- 起止时间:2006-03-10 至 2010-11-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
DESCRIPTION (provided by applicant): The long-range objectives of the Colorado Learning Disabilities Research Center (CLDRC) are the identification, characterization, validation and amelioration of reading disabilities and ADHD, the two most prevalent and often co-morbid disorders of childhood. To accomplish these objectives, the CLDRC employs a unique approach that assesses the extent to which genetic and environmental influences underlie these disorders, and that uses covariation in etiology to understand whether deficits in component skills of reading are manifestations of a single syndrome or represent separate subtypes. Test batteries that include psychometric measures of cognitive and academic abilities (Project I), reading, writing, and language processes (Project II), and ADHD and executive functions (Project III) will be administered to a sample of identical and fraternal twins and their siblings in which at least one member of each twin pair has a reading disability, to an independent sample of twins and their siblings in which at least one member of each twin pair has ADHD, and to a comparison group of twins and their siblings with no school history of reading disabilities or ADHD. Resulting data will be used to assess the etiologies of reading deficits (including word recognition skills, reading fluency, comprehension, and writing), ADHD, and their comorbidity, as well as their covariation with measures of phoneme awareness, phonological decoding, orthographic coding, vocabulary, listening comprehension, and executive functions. In order to map quantitative trait loci that influence learning disabilities, and conduct association and mutation analyses, blood samples will be obtained from families of all twin pairs (Project IV). Project V will assess response to computer-assisted instruction in 3 samples: early (K-4th) at-risk readers, 2nd - 4th grade twins identified with reading disabilities in Projects l-lll, and 4th grade twins with reading disabilities for whom we have extensive longitudinal assessments starting from preschool. Response to instruction in project V will also be studied in the Project IV molecular-genetic analyses. An administrative core unit will be responsible for coordinating the activities of the five research projects, ascertaining and scheduling subjects, obtaining questionnaire data and blood samples, and administering the Center budget. Reading disabilities and ADHD are important public health problems. The proposed research will advance our understanding of their etiology and remediation.
描述(由申请人提供):科罗拉多州学习障碍研究中心(CLDRC)的长期目标是识别、表征、验证和改善阅读障碍和ADHD,这两种儿童疾病是最普遍的,也是经常并存的。为了实现这些目标,CLDRC采用了一种独特的方法来评估这些障碍背后的遗传和环境影响的程度,并使用病因学中的协变来理解阅读技能的组成部分缺陷是单一综合征的表现还是代表不同的亚型。包括认知和学习能力的心理测量(项目I)、阅读、写作和语言过程(项目II)以及ADHD和执行功能(项目III)的测试组合将被测试给同卵和异卵双胞胎及其兄弟姐妹的样本(其中每对双胞胎中至少有一名成员有阅读障碍)、独立的双胞胎及其兄弟姐妹的样本(每对双胞胎中至少有一名成员患有ADHD),以及没有阅读障碍或ADHD上学史的双胞胎及其兄弟姐妹的对照组。由此产生的数据将被用来评估阅读障碍(包括单词识别技能、阅读流利性、理解力和写作)、ADHD及其共病的原因,以及它们与音素意识、语音解码、拼写编码、词汇、听力理解和执行功能的测量的协变性。为了绘制影响学习障碍的数量性状基因座图,并进行关联和突变分析,将从所有双胞胎家庭中获取血液样本(项目IV)。项目V将评估3个样本对计算机辅助教学的反应:早期(K-4)高危读者,L-11项目中被确认为阅读障碍的2-4年级双胞胎,以及我们从学龄前开始对其进行广泛的纵向评估的4年级双胞胎阅读障碍。对项目V中指示的反应也将在项目IV的分子遗传学分析中进行研究。一个行政核心单位将负责协调五个研究项目的活动,确定和安排主题,获取问卷数据和血样,并管理中心预算。阅读障碍和ADHD是重要的公共卫生问题。拟议的研究将促进我们对其病因和补救措施的理解。
项目成果
期刊论文数量(0)
专著数量(0)
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会议论文数量(0)
专利数量(0)
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RICHARD K OLSON其他文献
RICHARD K OLSON的其他文献
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{{ truncateString('RICHARD K OLSON', 18)}}的其他基金
Longitudinal Twin Study of Early Reading Development (supplement)
早期阅读发展的纵向孪生研究(补充)
- 批准号:
7315726 - 财政年份:2007
- 资助金额:
$ 147.78万 - 项目类别:
Longitudinal Twin Study--Early Reading Development
纵向双胞胎研究--早期阅读发展
- 批准号:
7841758 - 财政年份:2006
- 资助金额:
$ 147.78万 - 项目类别:
Longitudinal Twin Study of Early Reading Development
早期阅读发展的纵向双胞胎研究
- 批准号:
7442306 - 财政年份:2006
- 资助金额:
$ 147.78万 - 项目类别:
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