Asian News International
Past research had examined the impact of sleep duration on cognitive functions in older adults. Though faster brain ventricle enlargement is a marker for cognitive decline and the development of neurodegenerative diseases such as Alzheimer's, the effects of sleep on this marker have never been measured.
Researchers from the Duke-NUS study examined the data of 66 older Chinese adults, from the Singapore-Longitudinal Aging Brain Study, where participants underwent structural MRI brain scans measuring brain volume and neuropsychological assessments testing cognitive function every two years.
Their sleep duration was recorded through a questionnaire, and it was found that those who slept fewer hours showed evidence of faster ventricle enlargement and decline in cognitive performance.
Lead author Dr
The study is published in the journal SLEEP. (ANI)
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