Exposure to light in healthy elderly subjects and Alzheimer's patients.

Abstract

Exposure to light was recorded from 10 healthy elderly adults and 13 age-matched subjects with senile dementia of the Alzheimer's type (SDAT). Data were recorded in the home, for an average of 5 days, while subjects continued their normal daily activities. Subjects were exposed to remarkably small intervals of illumination exceeding 2000 lux. Subjects with… (More)

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