This work presents a study detailing how ultrashort-T2* measurements can provide new and complimentary characterizations and differentiations of white matter anatomy in comparison to classic DTI measurements. Specifically the magnitude and frequency shift components of the measured signal are significantly different between white matter with thick versus thin myelin sheaths and provides new methods of assessing myelin content in white matter when compared to FA, MD, and V1 values. These results show that this method could be used to better characterize and study demyelinating diseases such as multiple sclerosis.
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