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Neuroradiological characterization of normal adult ageing Sullivan EV; Pfefferbaum ABr J Radiol 2007[Dec]; 80 Spec No 2 (ä): S99-108This paper provides a review of MRI and diffusion tensor imaging (DTI) findings in normal ageing as an essential context for evaluating imaging in dementia, and adding to the ever-growing number of such overviews. An additional extensive literature details the physics, MR acquisition, image reconstruction and mathematical computation approaches to both imaging modalities. The aim of this review is to illustrate how MR imaging modalities, spanning structural and diffusion tensor imaging, are suitable for visualizing and quantifying the macrostructural and microstructural disruptions sustained by the brain in normal ageing and to recognize the importance of normative data for identifying abnormalities characterizing neurodegenerative diseases and other conditions affecting brain tissue integrity.|Adult[MESH]|Aged[MESH]|Aged, 80 and over[MESH]|Aging/*pathology[MESH]|Anisotropy[MESH]|Brain Mapping/methods[MESH]|Brain/*pathology[MESH]|Diffusion Magnetic Resonance Imaging/methods[MESH]|Female[MESH]|Humans[MESH]|Image Processing, Computer-Assisted/methods[MESH]|Magnetic Resonance Imaging/methods[MESH]|Male[MESH]|Middle Aged[MESH] |
