Abstract #4491
Analysis of the cumulant expansion terms of the diffusion-weighted MRI signal in the human brain
Ezequiel Farrher 1 , Farida Grinberg 1,2 , Ivan I. Maximov 1 , and N. Jon Shah 1,2
1
INM - 4, Research Centre Jlich GmbH,
Jlich, Germany,
2
Department
of Neurology, RWTH Aachen University, Aachen, Germany
Diffusion kurtosis imaging has become an important
extension to diffusion tensor imaging in the
quantification of non-Gaussian diffusion by means of
magnetic resonance imaging. However, there is still no
general consensus on the optimal range of b-values for
data analysis. In this work we perform an investigation
on the dependence of the cumulant expansion terms of the
diffusion-weighted MRI signal on the fitting b-value
range. The present analysis gives important insights
into the validity of the fitting b-value range in DKI
analysis.
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