It's all connected! Multivariate pattern analysis of inter-network connectivity distinguishes between reappraisal and passive viewing of emotional scenes.

IF 2.9 2区 医学 Q2 NEUROSCIENCES
Scarlett Horner, Thomas Rawliuk, Ryan M Ferstl, Andrew L Lyons, Janeen Martin, Diana J Gorbet, W Dale Stevens, Steven G Greening
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引用次数: 0

Abstract

Down-regulation using reappraisal is often associated with negative connectivity between prefrontal areas such as the dorsolateral prefrontal cortex (dlPFC) and areas associated with emotion such as the insula and amygdala, though a network perspective is often lacking in emotion regulation research. Whereas the dlPFC is associated with the attentional control network (ACN), the insula and amygdala are associated with the salience and limbic networks, respectively. The default mode network (DMN), including the ventromedial PFC, also contributes to emotion regulation. The present study sought to determine if inter-network functional connectivity can dissociate reappraising from passively viewing a negative image using multivariate pattern analysis (MVPA). Thirty-one participants completed a functional magnetic resonance imaging task in which they reappraised and viewed negative images. Behavioral and skin conductance response results indicated that reappraisal was associated with reductions in negative affect compared to viewing. The univariate connectivity analysis revealed that connections between aspects of the DMN and ACN differed between reappraising versus viewing negative images. Notably, the inter-network connectivity MVPA results demonstrated that whether one was reappraising versus viewing an image could be predicted better than chance, with several connections reliably contributing to the model, including those between ACN and DMN.

这一切都是相连的!网络间连通性的多变量模式分析区分了情感场景的重新评价和被动观看。
使用重新评估的下调通常与前额叶区域(如背外侧前额叶皮层(dlPFC))和与情绪相关的区域(如脑岛和杏仁核)之间的负连接有关,尽管在情绪调节研究中往往缺乏网络视角。dlPFC与注意控制网络(ACN)有关,而脑岛和杏仁核分别与突出网络和边缘网络有关。默认模式网络(DMN),包括腹内侧PFC,也参与情绪调节。本研究试图确定网络间功能连接是否可以使用多变量模式分析(MVPA)将重新评价与被动观看负面图像分离开来。31名参与者完成了一项功能性磁共振成像任务,在这项任务中,他们重新评估和观看了负面图像。行为和皮肤电导反应结果表明,与观看相比,重新评价与负面影响的减少有关。单变量连通性分析显示,在重新评价和观看负面图像时,DMN和ACN各方面之间的连接有所不同。值得注意的是,网络间连通性MVPA结果表明,一个人是重新评价还是观看图像,可以比偶然更好地预测,几个连接可靠地贡献了模型,包括ACN和DMN之间的连接。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Cerebral cortex
Cerebral cortex 医学-神经科学
CiteScore
6.30
自引率
8.10%
发文量
510
审稿时长
2 months
期刊介绍: Cerebral Cortex publishes papers on the development, organization, plasticity, and function of the cerebral cortex, including the hippocampus. Studies with clear relevance to the cerebral cortex, such as the thalamocortical relationship or cortico-subcortical interactions, are also included. The journal is multidisciplinary and covers the large variety of modern neurobiological and neuropsychological techniques, including anatomy, biochemistry, molecular neurobiology, electrophysiology, behavior, artificial intelligence, and theoretical modeling. In addition to research articles, special features such as brief reviews, book reviews, and commentaries are included.
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