Status:
COMPLETED
Effects of Different Colors of Light on Human Physiology
Lead Sponsor:
Brigham and Women's Hospital
Collaborating Sponsors:
National Center for Complementary and Integrative Health (NCCIH)
Conditions:
Healthy
Circadian Rhythm
Eligibility:
All Genders
18-30 years
Phase:
NA
Brief Summary
This study will determine which color of light is most effective in stimulating a range of biological functions in humans including activation of sleep-wake regulatory system (alertness, performance, ...
Detailed Description
Light has long been proposed to have a stimulatory effect on a range of biological functions in humans including increased feelings of activation, such as improved alertness or ability to perform. The...
Eligibility Criteria
Inclusion
- Free from any acute, chronic or debilitating medical, psychological, or ophthalmological conditions
- Drug-free (including caffeine, nicotine, and alcohol) for entire study duration
Exclusion
- History of drug or alcohol dependency
- History of psychiatric illnesses or evidence of psychopathology according to standardized questionnaires, or in a structured clinical interview
- Night shift work during the past 3 years
- Transmeridian travel in the last 3 months
Key Trial Info
Start Date :
April 1 2005
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
February 1 2007
Estimated Enrollment :
47 Patients enrolled
Trial Details
Trial ID
NCT00200863
Start Date
April 1 2005
End Date
February 1 2007
Last Update
August 12 2014
Active Locations (1)
Enter a location and click search to find clinical trials sorted by distance.
1
Division of Sleep Medicine, Brigham and Women's Hospital
Boston, Massachusetts, United States, 02115