The purpose of this study is to determine the influence of sex hormones on cognition in the aged. We will study changes in cognition in subjects supplemented with either estrogen (women) or testosterone (men) or placebo. Subjects will be tested on a variety of cognitive tasks that 1) show declines in the healthy aged, 2) show sex differences in younger subjects, 3) assesses the integrity of specific cognitive and neural systems (visual attention, visual perception, and visual memory).

Project Start
1998-12-01
Project End
1999-11-30
Budget Start
1998-10-01
Budget End
1999-09-30
Support Year
33
Fiscal Year
1999
Total Cost
Indirect Cost
Name
Oregon Health and Science University
Department
Type
DUNS #
009584210
City
Portland
State
OR
Country
United States
Zip Code
97239
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