To determine the effect of varying the intensity of a single, 6.5 hour pulse of continuous bright light in older subjects. A secondary purpose is to examine the effects of varying intensities of light on plasma melatonin concentration in older subjects. Data will be compared to similar data previously collected in young subjects.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
General Clinical Research Centers Program (M01)
Project #
5M01RR002635-17
Application #
6423532
Study Section
National Center for Research Resources Initial Review Group (RIRG)
Project Start
2000-12-01
Project End
2001-11-30
Budget Start
Budget End
Support Year
17
Fiscal Year
2001
Total Cost
Indirect Cost
Name
Brigham and Women's Hospital
Department
Type
DUNS #
071723621
City
Boston
State
MA
Country
United States
Zip Code
02115
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