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Abstract #3510

Detecting micro- and macro-structural deviations in individuals with cognitive impairment

Kurt Schilling1, Francois Rheault2, Dmitri Shastin3, Leon Y Cai4, Andrea T Shafer5, Susan M Resnick5, Bennett A Landman4, and Maxime Chamberland6
1VUMC, Nashville, TN, United States, 2Sherbrooke University, Sherbrooke, QC, Canada, 3Cardiff University Brain Research Imaging Centre (CUBRIC), Cardiff University, Cardiff, United Kingdom, 4Vanderbilt University, Nashville, TN, United States, 5National Institute on Aging, Baltimore, MD, United States, 6Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, Netherlands

Synopsis

Keywords: Alzheimer's Disease, Alzheimer's DiseaseMedical imaging is a promising tool in detecting altered brain tissue states related to cognitive impairment and dementia, however, clinical heterogeneity challenges interpretation of these changes. Recent work in normative modeling has paved the way for not only group-based comparisons of control/cohorts, but detection of deviations in individual subjects. Here, we apply this framework to detect anomalies in individuals with cognitive impairment by assessing the classification power of microstructural and macrostructural features of different tissue types, and also attributing anomalies to specific features of brain tissue.

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Keywords