Experimental design for evaluating the effect of lighting interventions on patients with Alzheimer's: A review (original) (raw)

Alzheimer's & Dementia, 2020

Abstract

Alzheimer’s disease is expected to become a major public health problem in the U.S. for the aging population. It is projected that in 2050, 65% of the aging population will die of Alzheimer’s. This raises the questions of whether and how we are prepared to provide care for this growing population. In this regard, the built environment can have a crucial role in supporting care and cure processes for the disease. Among the environmental variables that impact the provision of care for Alzheimer patients, lighting is especially consequential as it is known as a non‐invasive cure method that can stimulate the circadian rhythm and mitigate the issues of sleeping disturbance and agitation. Nevertheless, previous experimental research on this topic is inconclusive since many studies failed to present important variables and strategies used in their experimental designs (e.g. characteristics of the lighting device, exposing light intensity and spectral quantity, time‐series design and frequ...

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