Resting State fMRI in the moving fetus: A robust framework for motion, bias field and spin history correction
NeuroImage(2014)
Abstract
There is growing interest in exploring fetal functional brain development, particularly with Resting State fMRI. However, during a typical fMRI acquisition, the womb moves due to maternal respiration and the fetus may perform large-scale and unpredictable movements. Conventional fMRI processing pipelines, which assume that brain movements are infrequent or at least small, are not suitable. Previous published studies have tackled this problem by adopting conventional methods and discarding as much as 40% or more of the acquired data.
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Key words
Fetal fMRI,Slice to volume registration,Resting State Networks,Scattered interpolation,Bias field correction,Spin history correction
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