Influence of Anisotropic Blood Vessels Modeling on EEG Source Localization

被引：0
|
作者：
Cuartas-Morales, E. [1 ]
Tonado-Carvajal, Angel [2 ]
Antonio Hernandez-Tamames, Juan [2 ]
Malpica, Norberto [2 ]
Castellanos-Dominguez, G. [1 ]
机构：
[1] Univ Nacl Colombia, Signal Proc & Recognit Grp, Manizales, Colombia
[2] Univ Rey Juan Carlos, Med Image Anal & Biometry Lab, Madrid, Spain
来源：
NATURAL AND ARTIFICIAL COMPUTATION FOR BIOMEDICINE AND NEUROSCIENCE, PT I | 2017年 / 10337卷
关键词：
SEGMENTATION; BRAIN;
D O I：
10.1007/978-3-319-59740-9_38
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Reconstruction of source neural activity has an increasing importance due to its high time resolution, promoting its application in diagnosis of neurodegenerative and cognitive tasks. To improve the accuracy of reconstruction, we study the influence of anisotropic blood vessels in the EEG-based source localization solution, including several tissues. To this end, we develop a model that reflects physical properties of the head volume based on collected angiographic data. From obtained results of real data, we find that omission of the anisotropic blood vessels within the forward modeling may result in potential discrepancies larger than 35 mu V and dipole localization errors greater than 15 mm, especially, in deep brain areas.
引用
收藏
页码：384 / 393
页数：10
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