BRAIN MICROSTRUCTURE & BEHAVIOR IN NEWLY-DIAGNOSED TODDLERS/PRESCHOOLERS WITH ASD
大脑微观结构
基本信息
- 批准号:9055760
- 负责人:
- 金额:$ 18.69万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-04-17 至 2020-02-29
- 项目状态:已结题
- 来源:
- 关键词:20 year old5 year oldAdolescentAdultAffectAreaAutistic DisorderAxonBehaviorBehavior TherapyBehavioralBiologicalBiological MarkersBrainBrain DiseasesCaliberCerebral DominanceCharacteristicsChildChildhoodCommunicationConcept FormationCorpus CallosumDataDatabasesDevelopmentDiagnosisDiffusionDiffusion Magnetic Resonance ImagingEarly DiagnosisEarly InterventionEarly treatmentEmotionsEnvironmental Risk FactorExposure toFaceFace ProcessingFiberFinancial compensationFutureGeneticGenetic RiskGoalsHandHandednessHealthImpairmentKnowledgeLanguageLanguage DevelopmentLeftLongitudinal StudiesMagnetic Resonance ImagingMeasurementMeasuresMotorMovementNeurobiologyNeuropsychological TestsNewly DiagnosedOutcomePathway interactionsPerformancePhenotypePopulationProcessPublic HealthRisk AssessmentSamplingSchool-Age PopulationSchoolsSocial InteractionSocietiesSourceSpeechStructureSymptomsTestingTimeToddlerTrainingVisual Fieldsautism spectrum disorderbasebehavior measurementbehavioral studybrain pathwaydesignearly childhoodface perceptionimprovedinfancyinsightinterestlanguage processingpeerpreferencescreeningsocialsocial communicationtoolwater diffusionwhite matteryoung adult
项目摘要
DESCRIPTION (provided by applicant): Autism spectrum disorder is a major worldwide public health problem affecting 1 in 88 children and adults in the U.S. Autism is a lifelong debilitating developmental brain disorder characterized by impairments in social interaction and communication. We previously studied adults with autism using MRI diffusion tensor tracking (DTT), and found unique changes in white matter pathways used for recognizing faces and face emotions (critical aspects of social interaction and non-verbal communication). There was a relationship between these brain changes and early-childhood behaviors, suggesting that these brain changes may occur early in childhood, and may represent a lack of hemispheric specialization of face-processing pathways. In the same adults, we also found brain changes in the corpus callosum, a brain structure that allows information to flow between the brain's right and left hemisphere. Some characteristics of face processing and language function may be caused by such changes in the corpus callosum. However, to better understand the neurobiology of autism, it is necessary to test for these brain changes in very young children diagnosed with autism, because the changes in the adult brain could be due to many other factors that accumulate over decades. To determine whether such changes are a fundamental, primary abnormalities in autism that occur early in development, and that are present at the time of diagnosis, we will use DTT to: 1) test for water diffusion changes in the same face processing pathways in toddlers and preschoolers recently diagnosed with autism, 2) test for changes in language pathways, and 3) test for changes in the corpus callosum. The results will be compared to measures of face perception and language processing to determine the functional significance of the brain changes. We plan to study 20 toddlers/preschoolers with autism (2-5 years of age) and 20 individually-matched comparison children, where both groups have been clearly diagnosed and tested as either having autism or having normal development. The results will determine if the brain changes seen in adults with autism are more severe, similar, or less severe in early childhood soon after diagnosis. Our long- term goals are to: 1) provide a better understanding of the underlying biological mechanisms and causes of autism; 2) improve the early diagnosis, screening, risk assessment, and design/planning of early treatments and interventions; and 3) provide safe, non-invasive measures (biomarkers) that can be used to aid diagnosis and guide the search for genetic/immunological/environmental factors in autism.
描述(由申请人提供):自闭症谱系障碍是一个主要的全球公共卫生问题,影响着美国每 88 名儿童和成人中的 1 人。自闭症是一种终生衰弱的发育性脑部疾病,其特征是社交互动和沟通障碍。我们之前使用 MRI 扩散张量追踪 (DTT) 对患有自闭症的成年人进行了研究,发现用于识别面部和面部情绪(社交互动和非语言交流的关键方面)的白质通路发生了独特的变化。这些大脑变化与儿童早期的行为之间存在关联,这表明这些大脑变化可能发生在儿童早期,并且可能代表面部处理通路的半球专业化的缺乏。在同一成年人中,我们还发现胼胝体发生了变化,胼胝体是一种允许信息在大脑左右半球之间流动的大脑结构。面部处理和语言功能的某些特征可能是由胼胝体的这种变化引起的。然而,为了更好地了解自闭症的神经生物学,有必要测试被诊断为自闭症的幼儿的这些大脑变化,因为成人大脑的变化可能是由于数十年来积累的许多其他因素造成的。 为了确定这些变化是否是自闭症中发生在发育早期并且在诊断时就存在的基本的主要异常,我们将使用 DTT 来:1)测试最近诊断为自闭症的幼儿和学龄前儿童的同一面部处理路径中的水扩散变化,2)测试语言路径的变化,以及 3)测试胼胝体的变化。结果将与面部感知和语言处理的测量结果进行比较,以确定大脑变化的功能意义。 We plan to study 20 toddlers/preschoolers with autism (2-5 years of age) and 20 individually-matched comparison children, where both groups have been clearly diagnosed and tested as either having autism or having normal development.结果将确定成人自闭症患者的大脑变化在诊断后不久的幼儿期是否更严重、相似或不那么严重。我们的长期目标是:1)更好地了解自闭症的潜在生物学机制和原因; 2) 改进早期诊断、筛查、风险评估以及早期治疗和干预措施的设计/规划; 3) 提供安全、非侵入性的措施(生物标志物),可用于辅助诊断并指导寻找自闭症的遗传/免疫/环境因素。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Predicting and Grouping Digitized Paintings by Style using Unsupervised Feature Learning.
- DOI:10.1016/j.culher.2017.11.008
- 发表时间:2018-05
- 期刊:
- 影响因子:3.1
- 作者:Gultepe E;Conturo TE;Makrehchi M
- 通讯作者:Makrehchi M
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THOMAS EDWARD CONTURO其他文献
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{{ truncateString('THOMAS EDWARD CONTURO', 18)}}的其他基金
BRAIN MICROSTRUCTURE & BEHAVIOR IN NEWLY-DIAGNOSED TODDLERS/PRESCHOOLERS WITH ASD
大脑微观结构
- 批准号:
8893729 - 财政年份:2015
- 资助金额:
$ 18.69万 - 项目类别:
DEVELOPMENTAL CHARACTERISTICS OF MRI DIFFUSION TENSOR PATHWAY CHANGES IN AUTISM
自闭症患者 MRI 弥散张量通路变化的发育特征
- 批准号:
7879164 - 财政年份:2010
- 资助金额:
$ 18.69万 - 项目类别:
DEVELOPMENTAL CHARACTERISTICS OF MRI DIFFUSION TENSOR PATHWAY CHANGES IN AUTISM
自闭症患者 MRI 弥散张量通路变化的发育特征
- 批准号:
8062312 - 财政年份:2010
- 资助金额:
$ 18.69万 - 项目类别:
DIFFUSION TENSOR MRI + HISTOPATHOLOGY OF BRAIN MICROSTRUCTURE + FIBER PATHWAYS
脑微结构纤维通路的弥散张量 MRI 组织病理学
- 批准号:
7292510 - 财政年份:2007
- 资助金额:
$ 18.69万 - 项目类别:
Core--MR Methods for Functional and Physiologic Imaging
核心--功能和生理成像的MR方法
- 批准号:
6573415 - 财政年份:2002
- 资助金额:
$ 18.69万 - 项目类别:
TRACKING NEURONAL FIBERS IN LIVING HUMAN BRAIN BY MRI
通过 MRI 追踪活人大脑中的神经纤维
- 批准号:
6291641 - 财政年份:2001
- 资助金额:
$ 18.69万 - 项目类别:
TRACKING NEURONAL FIBERS IN LIVING HUMAN BRAIN BY MRI
通过 MRI 追踪活人大脑中的神经纤维
- 批准号:
6700859 - 财政年份:2001
- 资助金额:
$ 18.69万 - 项目类别:
TRACKING NEURONAL FIBERS IN LIVING HUMAN BRAIN BY MRI
通过 MRI 追踪活人大脑中的神经纤维
- 批准号:
6490958 - 财政年份:2001
- 资助金额:
$ 18.69万 - 项目类别:
Core--MR Methods for Functional and Physiologic Imaging
核心--功能和生理成像的MR方法
- 批准号:
6449045 - 财政年份:2001
- 资助金额:
$ 18.69万 - 项目类别:
TRACKING NEURONAL FIBERS IN LIVING HUMAN BRAIN BY MRI
通过 MRI 追踪活人大脑中的神经纤维
- 批准号:
6837653 - 财政年份:2001
- 资助金额:
$ 18.69万 - 项目类别:
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