母子亲密关系与青少年结构神经网络:低收入家庭前瞻性纵向研究》。

Sunghyun H Hong, Felicia A Hardi, Scott Tillem, Leigh G Goetschius, Jeanne Brooks-Gunn, Vonnie McLoyd, Nestor L Lopez-Duran, Colter Mitchell, Luke W Hyde, Christopher S Monk
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引用次数: 0

摘要

母子亲密关系是一种相互信任和充满爱意的纽带,是影响青少年积极发展的重要因素。然而,人们对母子亲密关系与大脑组织相关的神经通路知之甚少。本研究利用一个主要来自低收入家庭的纵向样本(样本数=181;76%为非裔美国青少年,54%为女性),调查了9岁和15岁时母子亲密度与15岁时结构连接组织(网络整合、稳健性和隔离)之间的关联。对母子亲密程度的评估包括母亲和孩子的观点。结果显示,母子亲密度越高,全局效率和传递性就越高,而模块性则不然。具体来说,母亲和孩子在 15 岁时对亲密程度的报告都能预测网络指标,但 9 岁时的报告却不能。我们的研究结果表明,母子亲密度与神经白质组织有关,因为经历过更多母子亲密度的青少年显示出拓扑特性,表明他们的结构网络更综合、更强大。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mother-child closeness and adolescent structural neural networks: a prospective longitudinal study of low-income families.

Mother-child closeness, a mutually trusting and affectionate bond, is an important factor in shaping positive youth development. However, little is known about the neural pathways through which mother-child closeness is related to brain organization. Utilizing a longitudinal sample primarily from low-income families (N = 181; 76% African American youth and 54% female), this study investigated the associations between mother-child closeness at ages 9 and 15 years and structural connectivity organization (network integration, robustness, and segregation) at age 15 years. The assessment of mother-child closeness included perspectives from both mother and child. The results revealed that greater mother-child closeness is linked with increased global efficiency and transitivity, but not with modularity. Specifically, both the mother's and child's reports of closeness at age 15 years predicted network metrics, but report at age 9 years did not. Our findings suggest that mother-child closeness is associated with neural white matter organization, as adolescents who experienced greater mother-child closeness displayed topological properties indicative of more integrated and robust structural networks.

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