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Effects of bright light on cognitive and sleep–wake (circadian) rhythm disturbances in Alzheimer‐type dementia
Bright light's effects on thinking and daily sleep-wake patterns in Alzheimer-type dementia
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Abstract
Twenty-seven patients with Alzheimer-type dementia showed improved cognitive scores following four weeks of bright light therapy.
- Bright light therapy was administered in the morning for four consecutive weeks.
- Cognitive function was assessed using the Mini-Mental-State Examination before and after treatment.
- Improvements were observed in circadian rhythm disturbances among the patients.
- No significant changes in the overall severity of dementia were noted.
- The greatest cognitive improvements were seen in patients with early-stage Alzheimer-type dementia.
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