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Principal Investigator  
Principal Investigator's Name: Orit Lesman-Segev
Institution: Sheba Medical Center Tel Hashomer
Department: Neuroradiology
Country:
Proposed Analysis: We will investigate the impact of cerebral small vessel disease and other exposures/health conditions on accuracy of blood based Alzheimer's "amyloid-tau-neurodegeneration" biomarkers in all available ADNI data with paired blood biomarkers + MRI + amyloid or tau PET. We hypothesize that a high burden of cerebral small vessel disease will reduce accuracy of blood-based abeta 42/40 ratio and ptau for discriminating amyloid PET positivity.
Additional Investigators  
Investigator's Name: Raquel Gardner
Proposed Analysis: I will supervise Dr. Lesman Segev on this proposed analysis of ADNI blood biomarker, MRI, and PET data. Dr. Michael Weiner and Les Shaw have also expressed interest in collaborating on this analysis.