The purpose of this observational study is to better understand the relationship between stroke risk factors and brain MRI measures in the Native American population. Participants will undergo: * Carotid ultrasound * Magnetic resonance imaging (MRI) * Cognitive testing
Age range
55 Years – 90 Years
Sex
ALL
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Cortical thickness
Timeframe: 3 months
White matter lesion buildup
Timeframe: 3 months
Number of strokes
Timeframe: 3 months
Microstructural integrity
Timeframe: 3 months
Cerebral blood flow
Timeframe: 3 months
Atherosclerotic vascular buildup
Timeframe: 3 months