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Abstract #4269

High Resolution Magnetic Resonance Histology of the Human Brain Temporal Lobe

Alexandra Badea1, Nian Wang1, Gary P Cofer1, Simon W Davis2, John F Ervin2, Dianne A Cruz3, and G Allan Johnson1

1Center for InVivo Microscopy, Department of Radiology, Duke University Medical Center, Durham, NC, United States, 2Department of Neurology, Duke University Medical Center, Durham, NC, United States, 3Departments Psychiatry and Behavioral Science, Duke University Medical Center, Durham, NC, United States

Detecting early brain changes in neurodegenerative diseases such as Alzheimer’s disease (AD) is essential for enabling interventions. We thus need to increase our ability to accurately localize areas that change, and to quantifying changes. The temporal lobe is essential for memory function. This is where AD hallmarks such as plaques, tangles, and neuronal death happen first. White matter has been proposed to have a role in early AD. We use high resolution magnetic resonance histology and diffusion tensor imaging to characterize the temporal lobe and its tracts. A compressed sensing acquisition with cluster based reconstruction increased efficiency four-fold.

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