Brain responses to social cues of attachment in mid-childhood.

IF 3.3 2区 心理学 Q1 PSYCHOLOGY, DEVELOPMENTAL
Margerete J S Schoett, Ulrike Basten, Ralf Deichmann, Christian J Fiebach, Tamara Fischmann
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引用次数: 4

Abstract

Physical separation from caregivers activates attachment-related behaviors. However, neural underpinnings of this biological mechanism in humans and their development are poorly understood. We examined via functional MRI brain responses to pictorial representations of separation as a function of attachment-security, attachment-avoidance, and attachment-anxiety measured using the Child-Attachment-Interview, in 30 typically developing children (9-11 years). Attachment-related stimuli elicited enhanced activation in the precuneus, temporoparietal junction area, and medial superior frontal gyrus (described as mentalization network). More negatively rated attachment stimuli yielded increased activity in the inferior frontal gyrus/anterior insula and dorsal anterior cingulate cortex/ACC. Furthermore, ACC responses to attachment-related as compared to control stimuli were positively correlated with attachment-security and negatively correlated with attachment-avoidance. Our findings suggest that processing of separation cues elicits increased mentalization-related processing in children and activation of the salience network with increased negative valence of stimuli. Avoidant vs. securely attached children differentially activate ACC-dependent processes of affective evaluation.

儿童中期大脑对社会依恋线索的反应。
与照顾者的身体分离会激活依恋相关行为。然而,这种生物机制在人类及其发展中的神经基础知之甚少。我们通过功能性核磁共振检查了30名典型发育儿童(9-11岁)对分离图像表征的大脑反应,并使用儿童依恋访谈测量了依恋-安全、依恋-回避和依恋-焦虑的功能。依恋相关刺激引起楔前叶、颞顶叶连接区和内侧额上回(称为心智化网络)的激活增强。更多负面评价的依恋刺激增加了额下回/前岛和前扣带皮层背侧/ACC的活动。此外,与对照刺激相比,依恋相关刺激的ACC反应与依恋安全正相关,与依恋回避负相关。我们的研究结果表明,分离线索的加工引起儿童心智相关加工的增加,并随着刺激的负效增加而激活显著性网络。回避型和安全型儿童在激活acc依赖的情感评价过程上存在差异。
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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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