Causal mapping of emotion networks in the human brain: Framework and initial findings.

Causal mapping of emotion networks in the human brain: Framework and initial findings.
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DOI:
10.1016/j.neuropsychologia.2017.11.015
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发表时间:
2020-08
期刊:
影响因子:
2.6
通讯作者:
Adolphs R
Adolphs R
中科院分区:
心理学3区
文献类型:
--
作者:
Dubois J;Oya H;Tyszka JM;Howard M 3rd;Eberhardt F;Adolphs R

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情绪涉及许多皮质和皮质下区域,特别是杏仁核。目前尚不清楚这些多个网络组件如何相互作用,也尚不清楚它们如何导致情绪的行为、自主和体验影响。在这里,我们描述了一个将新技术、并发电刺激与 fMRI (es-fMRI) 相结合的框架,以及新颖的分析,从 fMRI 数据推断因果结构(因果发现)。我们概述了使用这些新工具研究人类情感的研究计划,并提供了两个大型静息态数据集的初步发现以及对杏仁核进行电刺激的神经外科患者的案例研究。总体目标是使用功能磁共振成像数据的因果发现方法来推断大脑区域如何相互作用的因果图形模型,然后通过直接刺激特定大脑区域和并发功能磁共振成像来进一步约束这些模型。最后我们讨论限​​制和未来的扩展。该方法可以产生有关大脑连接的解剖学假设,激发通过深部脑刺激治疗情绪障碍的合理策略,并且可以扩展到使用组合光遗传学功能磁共振成像的动物研究。
Emotions involve many cortical and subcortical regions, prominently including the amygdala. It remains unknown how these multiple network components interact, and it remains unknown how they cause the behavioral, autonomic, and experiential effects of emotions. Here we describe a framework for combining a novel technique, concurrent electrical stimulation with fMRI (es-fMRI), together with a novel analysis, inferring causal structure from fMRI data (causal discovery). We outline a research program for investigating human emotion with these new tools, and provide initial findings from two large resting-state datasets as well as case studies in neurosurgical patients with electrical stimulation of the amygdala. The overarching goal is to use causal discovery methods on fMRI data to infer causal graphical models of how brain regions interact, and then to further constrain these models with direct stimulation of specific brain regions and concurrent fMRI. We conclude by discussing limitations and future extensions. The approach could yield anatomical hypotheses about brain connectivity, motivate rational strategies for treating mood disorders with deep brain stimulation, and could be extended to animal studies that use combined optogenetic fMRI.
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