Functional bold MRI: advantages of the 3 T vs. the 1.5 T

被引：9
|
作者：
Garcia-Eulate, Reyes [1 ,2 ]
Garcia-Garcia, David [3 ,4 ,5 ]
Dominguez, Pablo D. [1 ,2 ]
Noguera, Jose J. [1 ,2 ]
De Luis, Esther [1 ,2 ]
Rodriguez-Oroz, Maria C. [3 ,4 ,5 ]
Zubieta, Jose L. [1 ,2 ]
机构：
[1] Univ Navarra Clin, Dept Neuroradiol, Pamplona 31008, Spain
[2] Univ Navarra, Sch Med, E-31080 Pamplona, Spain
[3] Univ Navarra Clin, Dept Neurol & Neurosurg, Neurosci Div, Pamplona 31008, Spain
[4] Univ Navarra, Sch Med, CIMA, E-31080 Pamplona, Spain
[5] CIBERNED Spanish Govt, Madrid, Spain
来源：
CLINICAL IMAGING | 2011年 / 35卷 / 03期
关键词：
Functional MRI; Motor task; Somatosensory stimulation; Field strength; FIELD-STRENGTH; CONTRAST; OXYGENATION; ACQUISITION; DEPENDENCE; CORTEX; TESLA; FMRI; EPI;
D O I：
10.1016/j.clinimag.2010.07.003
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：
We quantitatively evaluate the benefits of a higher field strength for functional brain MRI (fMRI) based on the blood oxygenation level-dependent contrast. The 3-T fMRI shows a higher sensitivity for the motor and somatosensory stimulation and more specific localization in the grey substance. The 3-T fMRI detects additional areas of activation with the motor paradigm. (C) 2011 Elsevier Inc. All rights reserved.
引用
收藏
页码：236 / 241
页数：6
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