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Light levels and dementia
Margaret Edwards Lead for London Region Housing LIN
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Light and Health Dutch study – impact of high light levels + melatonin 5% reduced cognitive decline 19% reduced symptoms of depression 53% reduced physical decline 9% reduced night restlessness 9% reduced agitation + M
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Daylight (its free) Melatonin - the rhythm of life
Improved sleep patterns Get outside for an hour each day Let daylight in – unobstructed windows & skylights
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Navigation Back lit light switches – at room entrance and slightly lower than normal Daylight - better colour contrast Avoid glare & pooling Graduated light indoors outdoors
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Occupation Adjustable and flexible task lights
Lighting in cupboards and wardrobes Overhead lights by mirrors create shadows under chin, light on each side illuminates the face better Greenhouses?
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Interaction Seeing faces clearly Recognising familiar people
Reading body language Joining in activities
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