Neural Correlates of Fear Over-Generalization in Youth with Pathological Anxiety
病理性焦虑青年恐惧过度概括的神经相关性
基本信息
- 批准号:9243432
- 负责人:
- 金额:$ 18.52万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-09-20 至 2020-08-31
- 项目状态:已结题
- 来源:
- 关键词:17 year oldAddressAdolescenceAdolescentAdultAffectAgeAnxietyAnxiety DisordersBehaviorBehavioralBrainChildhoodComputing MethodologiesCuesDataDevelopmentDevelopmental CourseDevelopmental ProcessDiagnostic and Statistical Manual of Mental DisordersDiffusionDiseaseDoctor of PhilosophyEarly DiagnosisEarly InterventionEnvironmentEthicsExtinction (Psychology)FosteringFrightFunctional Magnetic Resonance ImagingFundingFutureGalvanic Skin ResponseGoalsIndividualInterventionLaboratoriesLeadLinkLongitudinal StudiesMagnetic Resonance ImagingMeasuresMental DepressionMental disordersMentored Research Scientist Development AwardMentorshipNational Institute of Mental HealthNeurosciencesOutcomePanicPathological anxietyPatient Self-ReportPatternPrefrontal CortexPreventiveProcessProliferatingRecruitment ActivityResearchResearch PersonnelResearch Project GrantsResearch TrainingResistanceRestSafetySeveritiesStagingStimulusSubstance abuse problemSymptomsSystemTestingTherapeutic InterventionThickTimeTrainingUnited States National Institutes of HealthYouthaffective neuroscienceanxiety symptomsanxiousbrain behaviorchildhood anxietyconditioned fearearly detection biomarkersexperienceinterdisciplinary approachneural circuitneural correlateneurobehavioralneuroimagingnovelnovel therapeuticspatient orientedphenomenological modelspreventprogramsrelating to nervous systemtherapy development
项目摘要
PROJECT SUMMARY
Anxiety disorders, as a group, are the most common mental illnesses in the US, affecting about 25% of ado-
lescents and 18% of adults. Symptoms typically begin in childhood or adolescence. A crucial gap in studies of
anxiety is the lack of empirical data linking pediatric anxiety to abnormal brain development. This four-year K01
application presents a program for research and training that will support the applicant on a path towards
becoming an NIH-funded independent investigator, focused on studying the neural correlates of fear generali-
zation in youth with pathological anxiety using interdisciplinary approaches (affective neuroscience, multimodal
neuroimaging, and computational methods). The training plan builds on the candidate’s previous training and
experience, and capitalizes on a mentorship team and a research environment to foster development of the
candidate’s expertise in (1) the phenomenology of anxiety disorders;; (2) patient-oriented, translational and
developmental neuroscience of anxiety;; (3) advanced computational neuroimaging;; and (4) responsible and
ethical conduct in scientific research in vulnerable individuals. The research project will investigate fear gener-
alization behavior and its relationship with vmPFC (ventromedial prefrontal cortex) function and corticolimbic
connectivity in healthy youth (Aim #1), and investigate fear over-generalization behavior and its relationship
with vmPFC function and corticolimbic connectivity in youth with pathological anxiety (Aim #2). We hypothesize
that childhood anxiety involves fear over-generalization and that fear over-generalization involves abnormal
function and connectivity of the corticolimbic system. To test these hypotheses, we will use a fear generaliza-
tion fMRI task and multimodal MRI (structural, diffusion, and functional MRI) in healthy youth without anxiety
(n= 25) as well as in youth with pathological anxiety across a spectrum of severity (i.e., those with subthreshold
anxiety [n=25] and those with any DSM-5 anxiety disorder [n=25]). Successful completion of this study will
provide cross-sectional evidence of the association of pediatric anxiety with fear generalization behavior,
vmPFC function, and corticolimbic system connectivity. The multiple units of analysis will help elucidate brain-
behavior relationships underlying fear generalization. These data along with the research expertise developed
through this K01 award will support a future R01 application to track over time the developmental trajectories of
fear generalization and pathological anxiety in youth. The ultimate goal of this line of research is to develop
neurobehavioral markers to determine when and where to intervene in anxiety disorders (NIMH Strategic
Objective 2) and to promote preventive therapeutic interventions to youth with pathological anxiety (NIMH
Strategic Objective 3).
项目摘要
焦虑症,作为一个群体,是美国最常见的精神疾病,影响了大约25%的焦虑症患者
儿童和成年人的比例为18%。症状通常开始于儿童或青春期。
焦虑是缺乏经验数据联系儿科焦虑异常的大脑发育。这四年K 01
申请提出了一个研究和培训计划,将支持申请人走上实现
成为一名NIH资助的独立调查员,专注于研究恐惧的神经相关性。
使用跨学科方法(情感神经科学,多模式
神经成像和计算方法)。培训计划建立在候选人以前的培训基础上,
经验,并利用导师团队和研究环境,以促进
候选人的专业知识(1)焦虑症的现象学;(2)以患者为导向,翻译和
焦虑的发展神经科学;(3)先进的计算神经成像;(4)负责任和
在脆弱个体的科学研究中的道德行为。该研究项目将调查恐惧产生的原因,
化行为及其与腹内侧前额叶功能和皮质边缘功能的关系
连接在健康青年(目标#1),并调查恐惧过度泛化行为及其关系
与病理性焦虑青年的vmPFC功能和皮质边缘连接有关(目标2)。我们假设
儿童期焦虑涉及恐惧过度泛化,恐惧过度泛化涉及异常
为了验证这些假设,我们将使用一个恐惧概化模型,
无焦虑的健康青年的功能磁共振成像任务和多模态磁共振成像(结构、弥散和功能磁共振成像)
(n= 25)以及在患有各种严重程度的病理性焦虑的青年中(即, 亚阈值
焦虑症[n=25]和患有任何DSM-2005焦虑症[n=25]的患者)。成功完成本研究将
提供儿童焦虑与恐惧泛化行为相关的横断面证据,
vmPFC功能和皮质边缘系统连接。多个单元的分析将有助于阐明大脑皮层功能。
这些数据沿着研究专家的发展,
通过这个K 01奖将支持未来的R 01应用程序,以跟踪随着时间的推移,
青年的恐惧泛化和病理性焦虑。这一系列研究的最终目标是发展
神经行为标志物,以确定何时何地干预焦虑症(NIMH战略
目标2)并促进对患有病理性焦虑的青少年(NIMH)的预防性治疗干预
战略目标3)。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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{{ truncateString('Jiook Cha', 18)}}的其他基金
Neural Correlates of Fear Over-Generalization in Youth with Pathological Anxiety
病理性焦虑青年恐惧过度概括的神经相关性
- 批准号:
9767861 - 财政年份:2016
- 资助金额:
$ 18.52万 - 项目类别:
Neural Correlates of Fear Over-Generalization in Youth with Pathological Anxiety
病理性焦虑青年恐惧过度概括的神经相关性
- 批准号:
9355231 - 财政年份:2016
- 资助金额:
$ 18.52万 - 项目类别:
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