Interplay of early negative life events, development of orbitofrontal cortical thickness and depression in young adulthood

Interplay of early negative life events, development of orbitofrontal cortical thickness and depression in young adulthood
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早期负面生活事件的相互作用、眶额皮质厚度的发展和成年早期抑郁症的相互作用

DOI:
10.1002/jcv2.12210
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发表时间:
2023
期刊:
影响因子:
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通讯作者:
Backhausen L
Backhausen L
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作者:
Backhausen L

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背景早期消极生活事件(NLE)对神经发育和精神病理学具有长期影响。眶额皮质 (OFC) 厚度的减少常常与 NLE 和抑郁症状相关。 OFC 变薄可能介导 NLE 对抑郁症状的影响,尽管纵向研究很少。我们使用四个时间点的完整纵向设计,研究了儿童期和青春期早期的 NLE 是否通过青春期 OFC 加速变薄来预测青年期的抑郁症状。方法我们在 14 岁至 22 岁的四个时间点的两个地点对 321 名参与者进行了结构 MRI。我们在第一个时间点使用生活事件问卷测量 NLE,在第四个时间点使用流行病学研究中心抑郁量表测量抑郁症状。通过对潜在生长曲线进行建模,我们测试了 OFC 变薄是否介导 NLE 对抑郁症状的影响。结果 NLE 负担较高、14 岁时 OFC 较厚以及青春期 OFC 加速变薄可预测年轻人的抑郁症状。我们没有确定 NLE 对 OFC 厚度的影响,也没有确定 NLE 对抑郁症状的 OFC 厚度介导作用。结论使用四波的完整纵向设计,我们表明儿童期和青春期早期的 NLE 可以预测长期的抑郁症状。结果表明,OFC 加速变薄可能先于抑郁症状。在临床环境中可能需要对急性 NLE 和神经发育进行早期评估,以确定抑郁症的危险因素。
BackgroundEarly negative life events (NLE) have long‐lasting influences on neurodevelopment and psychopathology. Reduced orbitofrontal cortex (OFC) thickness was frequently associated with NLE and depressive symptoms. OFC thinning might mediate the effect of NLE on depressive symptoms, although few longitudinal studies exist. Using a complete longitudinal design with four time points, we examined whether NLE during childhood and early adolescence predict depressive symptoms in young adulthood through accelerated OFC thinning across adolescence.MethodsWe acquired structural MRI from 321 participants at two sites across four time points from ages 14 to 22. We measured NLE with the Life Events Questionnaire at the first time point and depressive symptoms with the Center for Epidemiologic Studies Depression Scale at the fourth time point. Modeling latent growth curves, we tested whether OFC thinning mediates the effect of NLE on depressive symptoms.ResultsA higher burden of NLE, a thicker OFC at the age of 14, and an accelerated OFC thinning across adolescence predicted young adults' depressive symptoms. We did not identify an effect of NLE on OFC thickness nor OFC thickness mediating effects of NLE on depressive symptoms.ConclusionsUsing a complete longitudinal design with four waves, we show that NLE in childhood and early adolescence predict depressive symptoms in the long term. Results indicate that an accelerated OFC thinning may precede depressive symptoms. Assessment of early additionally to acute NLEs and neurodevelopment may be warranted in clinical settings to identify risk factors for depression.
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