Longitudinal associations between mother-child attachment security in toddlerhood and white matter microstructure in late childhood: a preliminary investigation.

IF 3.3 2区 心理学 Q1 PSYCHOLOGY, DEVELOPMENTAL
Fanny Dégeilh, Élizabel Leblanc, Véronique Daneault, Miriam H Beauchamp, Annie Bernier
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引用次数: 0

Abstract

Early childhood experiences are considered to influence the strength and effectiveness of neural connections and thus the development of brain connectivity. As one of the most pervasive and potent early relational experiences, parent-child attachment is a prime candidate to account for experience-driven differences in brain development. Yet, knowledge of the effects of parent-child attachment on brain structure in typically developing children is scarce and largely limited to grey matter, whereas caregiving influences on white matter (i.e. neural connections) have seldom been explored. This study examined whether normative variation in mother-child attachment security predicts white matter microstructure in late childhood and explored associations with cognitive-inhibition. Mother-child attachment security was assessed using home observations when children (N = 32, 20 girls) were 15 and 26 months old. White matter microstructure was assessed using diffusion magnetic resonance imaging when children were 10 years old. Child cognitive-inhibition was tested when children were 11 years old. Results revealed a negative association between mother-toddler attachment security and child white matter microstructure organization, which in turn related to better child cognitive-inhibition. While preliminary given the sample size, these findings add to the growing literature that suggests that rich and positive experiences are likely to decelerate brain development.

幼儿期母子依恋安全与儿童后期白质微观结构的纵向关联:初步研究。
儿童早期经历被认为会影响神经连接的强度和有效性,从而影响大脑连接的发展。作为最普遍和最有效的早期关系体验之一,亲子依恋是解释大脑发育中经验驱动差异的主要候选。然而,关于亲子依恋对典型发育儿童大脑结构的影响的知识很少,而且主要局限于灰质,而照顾对白质(即神经连接)的影响很少被探索。本研究考察了母子依恋安全的规范性变化是否能预测儿童晚期白质微观结构,并探讨了其与认知抑制的关系。当儿童(N = 32, 20名女孩)为15个月和26个月时,使用家庭观察来评估母子依恋安全性。应用扩散磁共振成像技术对10岁儿童的脑白质微观结构进行评估。儿童认知抑制测试是在他们11岁时进行的。结果表明,母子依恋安全与儿童白质微观结构呈负相关,这反过来又与儿童更好的认知抑制有关。虽然样本量只是初步的,但这些发现为越来越多的文献提供了证据,表明丰富和积极的经历可能会减缓大脑发育。
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来源期刊
Attachment & Human Development
Attachment & Human Development PSYCHOLOGY, DEVELOPMENTAL-
CiteScore
7.00
自引率
6.20%
发文量
11
期刊介绍: Attachment & Human Development is the leading forum for the presentation of empirical research, reviews and clinical case studies that reflect contemporary advances in attachment theory and research. The journal addresses the growing demand from the domains of psychology, psychiatry, psychotherapy and related disciplines including nursing and social work, for a clear presentation of ideas, methods and research based on attachment theory.
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