Neurite orientation dispersion and density imaging (NODDI) can quantitatively evaluate specific microstructural changes in terms of neurite density and orientation distribution of axons and dendrites. In the study, we attempt to demonstrate the feasibility of NODDI in characterizing the microstructural alterations in brain tissues during ischemic stroke and to compare its sensitivity with diffusion tensor imaging and diffusion kurtosis imaging. Results demonstrated that NODDI is a potential technique for quantitatively evaluating ischemic stroke and showed higher sensitivity compared with diffusion tensor imaging (DTI) and diffusion kurtosis imaging (DKI).
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