Neurovascular diseases and conditions, and their associated risk factors, represent a significant cause of cognitive disability in the United States and throughout the world. In the USA alone there are 750,000 new strokes each year, representing the number one cause of disability in the country. Hypertension, found in approximately 50 million Americans, has been shown to be associated with alterations of cognitive function, even in the absence of stroke and dementia. Recent studies of neurovascular disease have now revealed that neuropsychological function may be a more sensitive measure...