An improved model of motion-related signal changes in fMRI

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• 作者：Ré ; mi Patriat^a ; Richard C. Reynolds^c ; Rasmus M. Birn^a ; ^b ; ^{rbirn@wisc.edu}
• 关键词：Motion ; Correction ; Rs-fMRI ; Methods
• 刊名：NeuroImage
• 出版年：2017
• 出版时间：1 January 2017
• 年：2017
• 卷：144
• 期：part_PA
• 页码：74-82
• 全文大小：3103 K
• 卷排序：144

文摘

Motion is a significant problem in fMRI. We develop a new technique, MotSim, to more accurately model motion related signals. This technique simulates the signal changes that the estimated motion would produce. MotSim model accounts for significantly more variance than common current approaches.