Time dependence of diffusion and kurtosis parameters in the rat spinal cord
Sune Nørhøj Jespersen1,2, Brian Hansen1, Daniel Nunes3, and Noam Shemesh3
1CFIN, Aarhus University, Aarhus, Denmark, 2Dep. Physics and Astronomy, Aarhus University, Aarhus, Denmark, 3Champalimaud Neuroscience Programme, Champalimaud Centre for the Unknown, Lisbon, Portugal
Non-vanishing diffusion kurtosis
and time-dependent diffusion are both hallmarks of nongaussian diffusion in
biological tissues. Here we combine measurements of time-dependent DTI
parameters and time dependence of mean kurtosis using fast kurtosis imaging in
rat spinal cord. We observe substantial time dependence of all parameters in
both white and gray matter.
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