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Nurturing the preterm infant brain: leveraging neuroplasticity to improve neurobehavioral outcomes

机译:哺育早产儿的大脑:利用神经可塑性改善神经行为学结果

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An intrinsic feature of the developing brain is high susceptibility to environmental influenceknown as plasticity. Research indicates cascading disruption to neurological development following preterm (PT) birth; yet, the interactive effects of PT birth and plasticity remain unclear. It is possible that, with regard to neuropsychological outcomes in the PT population, plasticity is a double-edged sword. On one side, high plasticity of rapidly developing neural tissue makes the PT brain more vulnerable to injury resulting from events, including inflammation, hypoxia, and ischemia. On the other side, plasticity may be a mechanism through which positive experience can normalize neurological development for PT children. Much of the available literature on PT neurological development is clinically weighted and focused on diagnostic utility for predicting long-term outcomes. Although diagnostic utility is valuable, research establishing neuroprotective factors is equally beneficial. This review will: (1) detail specific mechanisms through which plasticity is adaptive or maladaptive depending on the experience; (2) integrate research from neuroimaging, intervention, and clinical science fields in a summary of findings suggesting inherent plasticity of the PT brain as a mechanism to improve child outcomes; and (3) summarize how responsive caregiving experiences situate parents as agents of change in normalizing PT infant brain development.
机译:大脑发育的一个内在特征是对环境影响的高度敏感性,这就是可塑性。研究表明早产(PT)出生后对神经系统发育的级联破坏;然而,PT出生和可塑性的交互作用仍不清楚。就PT人群的神经心理学结果而言,可塑性可能是一把双刃剑。一方面,快速发展的神经组织的高度可塑性使PT大脑更容易受到由炎症,缺氧和局部缺血等事件导致的伤害。另一方面,可塑性可能是积极经验可以使PT儿童神经发育正常化的一种机制。临床上对有关PT神经系统发育的许多可用文献进行了加权分析,并集中于诊断实用性以预测长期结果。尽管诊断实用性很有价值,但建立神经保护因子的研究同样有益。这项审查将:(1)详细说明根据经验适应性或适应不良性的具体机制; (2)将来自神经影像,干预和临床科学领域的研究整合到对发现的总结中,这些发现表明PT大脑固有的可塑性是改善儿童结局的一种机制; (3)总结了响应式的照料经历如何使父母成为改变PT婴儿大脑发育正常化的推动力。

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