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Human anterior thalamic stimulation evoked cortical potentials align with intrinsic functional connectivity

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机构: [1]Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [2]Clinical Research Center of Epilepsy, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [3]National Center for Neurological Disorders, Beijing 100053, China [4]Center of Brain Circuit Therapeutics, Departments of Neurology, Psychiatry, and Radiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, United States [5]Department of Pharmacy Phase I Clinical Trial Center, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [6]Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [7]Berenson–Allen Center for Non-invasive Brain Stimulation, Department of Neurology, Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, MA 02115, United States [8]Martinos Center for Biomedical Imaging, Departments of Neurology and Radiology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02115, United States [9]Havard Medical School, Boston, MA 02115, USA [10]Chinese Institute for Brain Research, Beijing 102206, China
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关键词: Resting-state functional connectivity Stereoelectroencephalography Cortical evoked potential Anterior nucleus of the thalamus Thalamocortical circuit

摘要:
Characterizing human thalamocortical network is fundamental for understanding a vast array of human behaviors since the thalamus plays a central role in cortico-subcortical communication. Over the past few decades, advances in functional magnetic resonance imaging have allowed for spatial mapping of intrinsic resting-state functional connectivity (RSFC) between both cortical regions and in cortico-subcortical networks. Despite these advances, identifying the electrophysiological basis of human thalamocortical network architecture remains challenging. By leveraging stereoelectroencephalography electrodes temporarily implanted into distributed cortical regions and the anterior nucleus of the thalamus (ANT) of 10 patients with refractory focal epilepsy, we tested whether ANT stimulation evoked cortical potentials align with RSFC from the stimulation site, derived from a normative functional connectome (n = 1000). Our study identifies spatial convergence of ANT stimulation evoked cortical potentials and normative RSFC. Other than connections to the Papez circuit, the ANT was found to be closely connected to several distinct higher-order association cortices, including the precuneus, angular gyrus, dorsal lateral prefrontal cortex, and anterior insula. Remarkably, we found that the spatial distribution and magnitude of cortical-evoked responses to single-pulse electrical stimulation of the ANT aligned with the spatial pattern and strength of normative RSFC of the stimulation site. The present study provides electrophysiological evidence that stimulation evoked electrical activity flows along intrinsic brain networks connected on a thalamocortical level.Copyright © 2023. Published by Elsevier Inc.

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出版当年[2022]版:
大类 | 1 区 医学
小类 | 1 区 神经成像 1 区 核医学 1 区 神经科学
最新[2023]版:
大类 | 2 区 医学
小类 | 1 区 神经成像 2 区 神经科学 2 区 核医学
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出版当年[2021]版:
Q1 NEUROIMAGING Q1 NEUROSCIENCES Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
最新[2023]版:
Q1 NEUROIMAGING Q1 NEUROSCIENCES Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

影响因子: 最新[2023版] 最新五年平均 出版当年[2021版] 出版当年五年平均 出版前一年[2020版] 出版后一年[2022版]

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第一作者机构: [1]Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [2]Clinical Research Center of Epilepsy, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [3]National Center for Neurological Disorders, Beijing 100053, China
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通讯机构: [1]Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [2]Clinical Research Center of Epilepsy, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [3]National Center for Neurological Disorders, Beijing 100053, China [10]Chinese Institute for Brain Research, Beijing 102206, China [*1]Department of Neurology, Xuanwu Hospital, Capital Medical University, No.45, Changchun Street, Xicheng District, 100053 Beijing, China
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