Past research suggests that retinal lutein levels are related to cognitive function as measured via behavioral tests. The goal of the present study is to investigate the relationship between lutein and cognitive function in a wider variety of the population (young, healthy adults and older adults), using a wider variety of methods (behavioral testing and neuroimaging).
Past research suggests that retinal lutein levels are related to cognitive function as measured via behavioral tests. The goal of the present study is to investigate the relationship between lutein and cognitive function in a wider variety of the population (young, healthy adults and older adults), using a wider variety of methods (behavioral testing and neuroimaging).
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Enrollment
120
tablet
tablet
The University of Georgia
Athens, Georgia, United States
macular pigment optical density
optical density of macular pigment layer in central retina, defined in log units of optical density
Time frame: 12 months
serum carotenoid levels
serum carotenoids will be measured via high performance liquid chromatography
Time frame: 12 months
reaction time
reaction (msec) to a light stimulus
Time frame: 12-months
executive function
computerized composite score from computerized battery
Time frame: 12-months
short-term memory
composite score from a computerized battery
Time frame: 12-months
visual attention
composite score from computerized battery
Time frame: 12-months
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