Meeting Banner
Abstract #3601

Diffusional Kurtosis Imaging Detects Age-Related Grey Matter Changes in the Normal Mouse Brain

Maria F. Falangola1, David Guilfoyle2, Edward S. Hui1, Caixia Hu2, Scott Gerum2, John LaFrancois3, Xingju Nie1, Jens Jensen1, Ali Tabesh1, Joseph A. Helpern

1Radiology, Medical University of South Carolina (MUSC), Charleston, SC, United States; 2Medical Physics, Nathan Kline Institute, Orangeburg, New York, NY, United States; 3Dementia Research, Nathan Kline Institute, Orangeburg, New York, NY, United States

Since the transition from young to aged adult during the normal aging process leads to changes in grey matter morphology, characterizing the age-related diffusion patterns in the rodent brain is important for interpreting and differentiating the changes associated with pathological process in rodents models of neurodegenerative diseases. Diffusional Kurtosis Imaging (DKI) quantifies the non-Gaussian behavior of water diffusion, contributing additional information beyond that provided by diffusion tensor imaging. Here we report that the DKI can characterize the age-related microstructural changes in the cortex and sub-cortical regions in the normal mouse brain.

Keywords

access acknowledgments acquisition additional adult aged aging almost animal animals arise axial barriers bars behavior believed better beyond blue brain breakdown briefly called cell characterize characterizing compartments complexity conditions considered contributing cortex cortical degree dementia dependent derived described detects development deviations differentiating differentiation diffusion diffusional diffusivity directional disease diseases displayed dorsal drawn error established estimator exception extracellular facility five food gated goal gradient held house in vivo included indeed indicators info insignificant institute interpreting intracellular kurtosis leads manually maps maria masked matrix measured measures medical metrics mice models month months morphological mouse occurs organelles overall papers parametric partial pathological patterns physics presence process programmed quantified quantifying quantitative quantitatively radial radiology reach reduce reflect related remained report reporting reports resolution rodent sets several shot significance significantly since slice software south statistical statistically structural structures studies support supported system tensor thalamus thereby tissue tissues towards transition trend unrestricted useful ventral volume water weeks white young