Reduction of ECG and gradient related artifacts in simultaneously recorded human EEG/MRI data

被引：55

作者：

Sijbers, J

Van Audekerke, J

Verhoye, M

Van der Linden, A

Van Dyck, D

机构：

[1] Univ Antwerp, Vis Lab, B-2020 Antwerp, Belgium

[2] Univ Antwerp, Bioimaging Lab, B-2020 Antwerp, Belgium

来源：

MAGNETIC RESONANCE IMAGING | 2000年 / 18卷 / 07期

关键词：

restoration; artifacts; adaptive; simultaneous EEG/MRI; ECG; Hall-effect;

D O I：

10.1016/S0730-725X(00)00178-8

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Nowadays, electroencephalography signals can be acquired from a patient lying in a magnetic resonance imaging system. It is even possible to acquire EEG signals during an MR imaging sequence. However, such EEG signals are severely distorted by artifacts originating from various effects (e.g., MR gradients, EGG). In this paper, a simple method is presented to reduce such artifacts. Thereby, special attention is focused on artifacts related to the patient's electrocardiogram. The method is shown to be effective, adaptive, and automatic. (C) 2000 Elsevier Science Inc. All rights reserved.

引用

页码：881 / 886

页数：6

共 34 条

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