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Clinical Services at Rush Study Design and Research Goals
Program Description

It has long been recognized that some type of reserve can protect the nervous system from expressing injury or pathology as functional impairment or clinically diagnosed disease. The overall goal of the Memory and Aging Project is to identify the structural bases of neural reserve and examine the neurobiologic mechanisms through which environmental and genetic risk factors lead to the functional consequences of four neurologic diseases of aging.

We hypothesize that redundancy of several cellular and subcellular components of the functional neural systems responsible for cognition, mobility, and strength are crucial for efficient performance of these systems, and thereby comprise the structural basis of neural reserve. Furthermore, we hypothesize that some risk factors lead to the clinical expression of disease by promoting the accumulation of disease pathology within selectively vulnerable neural systems, whereas other risk factors reduce the likelihood that disease pathology is expressed clinically by increasing or maintaining reserve capacity (i.e., the ability of the nervous system to tolerate pathology thereby delaying the clinical expression of common diseases).

To test these hypotheses, we propose a longitudinal, epidemiologic clinical-pathologic study of 1,200 older persons with a wide range of educational and lifetime experiences who agree to annual detailed clinical evaluation and donation of brain, spinal cord, and muscle after death. Identifying factors that increase or maintain neural reserve offers a new and potentially powerful method whereby the clinical signs of multiple neurodegenerative diseases can be delayed. Even relatively small reductions of risk from common disabling conditions will have a major public health impact for future generations.

David A. Bennett, MD
Director, Memory and Aging Project
600 South Paulina, Suite 1028
Chicago, IL 60612





Contact Name
Traci Colvin, MPH
Contact Phone
(312) 942-2227
Contact E-mail
Traci_L_Colvin@rush.edu



Location
Armour Academic Center
600 S. Paulina St., Suite 1026
Chicago, IL 60612



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