Fragmented early-life experiences, aberrant circuit maturation, emotional vulnerabilities

破碎的早期生活经历、异常的电路成熟、情感脆弱

基本信息

  • 批准号:
    10595601
  • 负责人:
  • 金额:
    $ 53.3万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2013
  • 资助国家:
    美国
  • 起止时间:
    2013-06-17 至 2025-03-31
  • 项目状态:
    未结题

项目摘要

Mood and anxiety disorders afflict >20% of adolescents and young adults, with tremendous social and fiscal costs. Late adolescent/young adult service members facing combat are at significant risk for trauma- related disorders, constituting an ideal population to test predictions of the overarching hypothesis driving this Center renewal: that early-life fragmentation/unpredictability (FRAG) is associated with early manifestations of anhedonia and related mental health symptoms via alterations in pleasure-reward circuits which presage increased risk for psychopathology in adulthood. The studies of Project 4, guided by constructive Reviewer suggestions, aim to provide evidence for the role of FRAG-related anhedonia as a novel, unsuspected risk factor for psychopathology in a vulnerable population. We will leverage a large prospective and longitudinal cohort of late-adolescents/young adults recruited in the Marine Resiliency Study (MRS). MRS assessed emotional and cognitive health including anhedonia (within a broad battery of laboratory, self-report and clinical assessments) in young service members before a combat deployment and 3-6 month after it. We will recruit 800-1000 subjects to determine if self-report of early life FRAG is associated with altered mental health trajectories in adulthood. While capitalizing on rich and broad-based assessments of the MRS, we will test three hypotheses: 1) That FRAG, in addition to other established early-life factors, predicts anhedonia during late adolescence / early adulthood. (2) That early-life FRAG and subsequent anhedonia in late adolescence/early adulthood increases risk for adult trauma-related psychopathology. This prediction is supported by preliminary data that pre-deployment anhedonia predicts increased PTS symptoms and increased prevalence for PTSD after deployment (N=1972). This hypothesis will probe the clinical significance and impact of the Center-proposed FRAG and anhedonia risk factors. (3) That FRAG and anhedonia promote trauma-related psychopathology via aberrant pleasure-reward circuitry. A subset of MRS participants identified in Aims 1 & 2 will be recruited into 4 groups with either high or low levels of risk (i.e. combined early-life FRAG and adolescent /early adult anhedonia) and with either high or low levels of PTS symptoms. All will undergo structural MRI, DTI and fMRI and behavioral and cognitive assessments similar to those in Projects 2 and 3 to extend the developmental trajectories of FRAG- associated circuit changes and psychopathology to adulthood. In addition to testing specific Center hypotheses, the broad, longitudinal emotional and cognitive measures within MRS, coupled with data-driven MRI analyses (Imaging core), will enable examination of the role of FRAG in the trajectory of a broad spectrum of adult psychopathology.
情绪和焦虑障碍困扰着大约20%的青少年和年轻人

项目成果

期刊论文数量(0)
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Victoria B Risbrough其他文献

Victoria B Risbrough的其他文献

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{{ truncateString('Victoria B Risbrough', 18)}}的其他基金

Impact of TBI and Cognitive Decline on Alzheimer's Disease Brain-Derived Exosome Cargo
TBI 和认知能力下降对阿尔茨海默病脑源性外泌体货物的影响
  • 批准号:
    10662883
  • 财政年份:
    2023
  • 资助金额:
    $ 53.3万
  • 项目类别:
Validation of PTSD signals across multiple biological domains for the development of diagnostic biomarkers for PTSD in military populations to improve clinical care of Veterans
跨多个生物领域验证 PTSD 信号,以开发军人群体中 PTSD 的诊断生物标志物,从而改善退伍军人的临床护理
  • 批准号:
    10617231
  • 财政年份:
    2022
  • 资助金额:
    $ 53.3万
  • 项目类别:
Validation of PTSD signals across multiple biological domains for the development of diagnostic biomarkers for PTSD in military populations to improve clinical care of Veterans
跨多个生物领域验证 PTSD 信号,以开发军人群体中 PTSD 的诊断生物标志物,从而改善退伍军人的临床护理
  • 批准号:
    10365835
  • 财政年份:
    2022
  • 资助金额:
    $ 53.3万
  • 项目类别:
BLRD Research Career Scientist Award Application
BLRD 研究职业科学家奖申请
  • 批准号:
    10588850
  • 财政年份:
    2022
  • 资助金额:
    $ 53.3万
  • 项目类别:
Neuronal exosomes to identify biomarkers and pathology of deployment-related TBI
神经元外泌体识别部署相关 TBI 的生物标志物和病理学
  • 批准号:
    10292911
  • 财政年份:
    2018
  • 资助金额:
    $ 53.3万
  • 项目类别:
Neuronal exosomes to identify biomarkers and pathology of deployment-related TBI
神经元外泌体识别部署相关 TBI 的生物标志物和病理学
  • 批准号:
    10046280
  • 财政年份:
    2018
  • 资助金额:
    $ 53.3万
  • 项目类别:
Neuronal exosomes to identify biomarkers and pathology of deployment-related TBI
神经元外泌体识别部署相关 TBI 的生物标志物和病理学
  • 批准号:
    9561543
  • 财政年份:
    2018
  • 资助金额:
    $ 53.3万
  • 项目类别:
Role of COMTval158met in PTSD risk and treatment response
COMTval158met 在 PTSD 风险和治疗反应中的作用
  • 批准号:
    8730388
  • 财政年份:
    2014
  • 资助金额:
    $ 53.3万
  • 项目类别:
Role of COMTval158met in PTSD risk and treatment response
COMTval158met 在 PTSD 风险和治疗反应中的作用
  • 批准号:
    8967100
  • 财政年份:
    2014
  • 资助金额:
    $ 53.3万
  • 项目类别:
Fragmented early-life experiences, aberrant circuit maturation, emotional vulnerabilities
破碎的早期生活经历、异常的电路成熟、情感脆弱
  • 批准号:
    10379271
  • 财政年份:
    2013
  • 资助金额:
    $ 53.3万
  • 项目类别:

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